diff --git a/Makefile b/Makefile
index a454c9cd126e..3c78b28c6a0d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 236
+SUBLEVEL = 237
 EXTRAVERSION =
 NAME = Roaring Lionus
 
diff --git a/arch/arc/plat-eznps/include/plat/ctop.h 
b/arch/arc/plat-eznps/include/plat/ctop.h
index 3c401ce0351e..fb959828630c 100644
--- a/arch/arc/plat-eznps/include/plat/ctop.h
+++ b/arch/arc/plat-eznps/include/plat/ctop.h
@@ -42,7 +42,6 @@
 #define CTOP_AUX_HW_COMPLY                     (CTOP_AUX_BASE + 0x024)
 #define CTOP_AUX_LPC                           (CTOP_AUX_BASE + 0x030)
 #define CTOP_AUX_EFLAGS                                (CTOP_AUX_BASE + 0x080)
-#define CTOP_AUX_IACK                          (CTOP_AUX_BASE + 0x088)
 #define CTOP_AUX_GPA1                          (CTOP_AUX_BASE + 0x08C)
 #define CTOP_AUX_UDMC                          (CTOP_AUX_BASE + 0x300)
 
diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi 
b/arch/arm/boot/dts/socfpga_arria10.dtsi
index 4d496479e135..342ae7ef9f08 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -710,7 +710,7 @@
                timer3: timer3@ffd00100 {
                        compatible = "snps,dw-apb-timer";
                        interrupts = <0 118 IRQ_TYPE_LEVEL_HIGH>;
-                       reg = <0xffd01000 0x100>;
+                       reg = <0xffd00100 0x100>;
                        clocks = <&l4_sys_free_clk>;
                        clock-names = "timer";
                };
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index f8a529c85279..24eb7fe7922e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -848,6 +848,7 @@ config SNI_RM
        select I8253
        select I8259
        select ISA
+       select MIPS_L1_CACHE_SHIFT_6
        select SWAP_IO_SPACE if CPU_BIG_ENDIAN
        select SYS_HAS_CPU_R4X00
        select SYS_HAS_CPU_R5000
diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index f9407e170476..c6af7047eb0d 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -143,7 +143,10 @@ static struct platform_device sc26xx_pdev = {
        },
 };
 
-static u32 a20r_ack_hwint(void)
+/*
+ * Trigger chipset to update CPU's CAUSE IP field
+ */
+static u32 a20r_update_cause_ip(void)
 {
        u32 status = read_c0_status();
 
@@ -205,12 +208,14 @@ static void a20r_hwint(void)
        int irq;
 
        clear_c0_status(IE_IRQ0);
-       status = a20r_ack_hwint();
+       status = a20r_update_cause_ip();
        cause = read_c0_cause();
 
        irq = ffs(((cause & status) >> 8) & 0xf8);
        if (likely(irq > 0))
                do_IRQ(SNI_A20R_IRQ_BASE + irq - 1);
+
+       a20r_update_cause_ip();
        set_c0_status(IE_IRQ0);
 }
 
diff --git a/arch/powerpc/configs/pasemi_defconfig 
b/arch/powerpc/configs/pasemi_defconfig
index 76f4edd441d3..07bc4f038249 100644
--- a/arch/powerpc/configs/pasemi_defconfig
+++ b/arch/powerpc/configs/pasemi_defconfig
@@ -115,7 +115,6 @@ CONFIG_FB_NVIDIA=y
 CONFIG_FB_NVIDIA_I2C=y
 CONFIG_FB_RADEON=y
 # CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_VGACON_SOFT_SCROLLBACK=y
 CONFIG_LOGO=y
 CONFIG_SOUND=y
 CONFIG_SND=y
diff --git a/arch/powerpc/configs/ppc6xx_defconfig 
b/arch/powerpc/configs/ppc6xx_defconfig
index 8fbf49801233..1c6815bcc616 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -796,7 +796,6 @@ CONFIG_FB_TRIDENT=m
 CONFIG_FB_SM501=m
 CONFIG_FB_IBM_GXT4500=y
 CONFIG_LCD_PLATFORM=m
-CONFIG_VGACON_SOFT_SCROLLBACK=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 CONFIG_LOGO=y
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index fb7cbaa37658..611e09add911 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -99,7 +99,8 @@ static u64 dma_iommu_get_required_mask(struct device *dev)
        if (!tbl)
                return 0;
 
-       mask = 1ULL < (fls_long(tbl->it_offset + tbl->it_size) - 1);
+       mask = 1ULL << (fls_long(tbl->it_offset + tbl->it_size) +
+                       tbl->it_page_shift - 1);
        mask += mask - 1;
 
        return mask;
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 5fa6ee2c2dde..8b5d3580ae72 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -217,7 +217,6 @@ CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 CONFIG_FB_EFI=y
 # CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_VGACON_SOFT_SCROLLBACK=y
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
@@ -247,6 +246,7 @@ CONFIG_USB_HIDDEV=y
 CONFIG_USB=y
 CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 CONFIG_USB_MON=y
+CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_TT_NEWSCHED=y
 CONFIG_USB_OHCI_HCD=y
diff --git a/arch/x86/configs/x86_64_defconfig 
b/arch/x86/configs/x86_64_defconfig
index 7ef4a099defc..ef835d41cdf0 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -212,7 +212,6 @@ CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 CONFIG_FB_EFI=y
 # CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_VGACON_SOFT_SCROLLBACK=y
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
@@ -242,6 +241,7 @@ CONFIG_USB_HIDDEV=y
 CONFIG_USB=y
 CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 CONFIG_USB_MON=y
+CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_TT_NEWSCHED=y
 CONFIG_USB_OHCI_HCD=y
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e7fe5974c81c..622e5a7eb7db 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8606,6 +8606,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
                        (exit_reason != EXIT_REASON_EXCEPTION_NMI &&
                        exit_reason != EXIT_REASON_EPT_VIOLATION &&
                        exit_reason != EXIT_REASON_PML_FULL &&
+                       exit_reason != EXIT_REASON_APIC_ACCESS &&
                        exit_reason != EXIT_REASON_TASK_SWITCH)) {
                vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV;
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 82296fe2ba3b..7cb2b863e653 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1013,6 +1013,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
                                error = make_rate (pcr, r, &tmc0, NULL);
                                if (error) {
                                        kfree(tc);
+                                       kfree(vcc);
                                        return error;
                                }
                        }
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 19f336752ad7..c16be18fddef 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -4614,6 +4614,9 @@ static ssize_t rbd_config_info_show(struct device *dev,
 {
        struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
 
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
        return sprintf(buf, "%s\n", rbd_dev->config_info);
 }
 
@@ -4715,6 +4718,9 @@ static ssize_t rbd_image_refresh(struct device *dev,
        struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
        int ret;
 
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
        ret = rbd_dev_refresh(rbd_dev);
        if (ret)
                return ret;
@@ -6192,6 +6198,9 @@ static ssize_t do_rbd_add(struct bus_type *bus,
        bool read_only;
        int rc;
 
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
        if (!try_module_get(THIS_MODULE))
                return -ENODEV;
 
@@ -6340,6 +6349,9 @@ static ssize_t do_rbd_remove(struct bus_type *bus,
        bool force = false;
        int ret;
 
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
        dev_id = -1;
        opt_buf[0] = '\0';
        sscanf(buf, "%d %5s", &dev_id, opt_buf);
diff --git a/drivers/clk/rockchip/clk-rk3228.c 
b/drivers/clk/rockchip/clk-rk3228.c
index 53f16efbb8f4..31785b3abac5 100644
--- a/drivers/clk/rockchip/clk-rk3228.c
+++ b/drivers/clk/rockchip/clk-rk3228.c
@@ -126,7 +126,7 @@ PNAME(mux_usb480m_p)                = { "usb480m_phy", 
"xin24m" };
 PNAME(mux_hdmiphy_p)           = { "hdmiphy_phy", "xin24m" };
 PNAME(mux_aclk_cpu_src_p)      = { "cpll_aclk_cpu", "gpll_aclk_cpu", 
"hdmiphy_aclk_cpu" };
 
-PNAME(mux_pll_src_4plls_p)     = { "cpll", "gpll", "hdmiphy" "usb480m" };
+PNAME(mux_pll_src_4plls_p)     = { "cpll", "gpll", "hdmiphy", "usb480m" };
 PNAME(mux_pll_src_3plls_p)     = { "cpll", "gpll", "hdmiphy" };
 PNAME(mux_pll_src_2plls_p)     = { "cpll", "gpll" };
 PNAME(mux_sclk_hdmi_cec_p)     = { "cpll", "gpll", "xin24m" };
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c 
b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 286587607931..0f8f9a784b1b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -457,8 +457,13 @@ static int mtk_drm_probe(struct platform_device *pdev)
        pm_runtime_disable(dev);
 err_node:
        of_node_put(private->mutex_node);
-       for (i = 0; i < DDP_COMPONENT_ID_MAX; i++)
+       for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) {
                of_node_put(private->comp_node[i]);
+               if (private->ddp_comp[i]) {
+                       put_device(private->ddp_comp[i]->larb_dev);
+                       private->ddp_comp[i] = NULL;
+               }
+       }
        return ret;
 }
 
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 9360cdce740e..7bf5e2fe1751 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -681,7 +681,7 @@ static void vmbus_wait_for_unload(void)
        void *page_addr;
        struct hv_message *msg;
        struct vmbus_channel_message_header *hdr;
-       u32 message_type;
+       u32 message_type, i;
 
        /*
         * CHANNELMSG_UNLOAD_RESPONSE is always delivered to the CPU which was
@@ -691,8 +691,11 @@ static void vmbus_wait_for_unload(void)
         * functional and vmbus_unload_response() will complete
         * vmbus_connection.unload_event. If not, the last thing we can do is
         * read message pages for all CPUs directly.
+        *
+        * Wait no more than 10 seconds so that the panic path can't get
+        * hung forever in case the response message isn't seen.
         */
-       while (1) {
+       for (i = 0; i < 1000; i++) {
                if (completion_done(&vmbus_connection.unload_event))
                        break;
 
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 3a9db4626cb6..1886588b9ea3 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -50,8 +50,22 @@ static void pca_reset(struct i2c_algo_pca_data *adap)
                pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IPRESET);
                pca_outw(adap, I2C_PCA_IND, 0xA5);
                pca_outw(adap, I2C_PCA_IND, 0x5A);
+
+               /*
+                * After a reset we need to re-apply any configuration
+                * (calculated in pca_init) to get the bus in a working state.
+                */
+               pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IMODE);
+               pca_outw(adap, I2C_PCA_IND, adap->bus_settings.mode);
+               pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLL);
+               pca_outw(adap, I2C_PCA_IND, adap->bus_settings.tlow);
+               pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLH);
+               pca_outw(adap, I2C_PCA_IND, adap->bus_settings.thi);
+
+               pca_set_con(adap, I2C_PCA_CON_ENSIO);
        } else {
                adap->reset_chip(adap->data);
+               pca_set_con(adap, I2C_PCA_CON_ENSIO | 
adap->bus_settings.clock_freq);
        }
 }
 
@@ -435,13 +449,14 @@ static int pca_init(struct i2c_adapter *adap)
                                " Use the nominal frequency.\n", adap->name);
                }
 
-               pca_reset(pca_data);
-
                clock = pca_clock(pca_data);
                printk(KERN_INFO "%s: Clock frequency is %dkHz\n",
                     adap->name, freqs[clock]);
 
-               pca_set_con(pca_data, I2C_PCA_CON_ENSIO | clock);
+               /* Store settings as these will be needed when the PCA chip is 
reset */
+               pca_data->bus_settings.clock_freq = clock;
+
+               pca_reset(pca_data);
        } else {
                int clock;
                int mode;
@@ -508,19 +523,15 @@ static int pca_init(struct i2c_adapter *adap)
                        thi = tlow * min_thi / min_tlow;
                }
 
+               /* Store settings as these will be needed when the PCA chip is 
reset */
+               pca_data->bus_settings.mode = mode;
+               pca_data->bus_settings.tlow = tlow;
+               pca_data->bus_settings.thi = thi;
+
                pca_reset(pca_data);
 
                printk(KERN_INFO
                     "%s: Clock frequency is %dHz\n", adap->name, clock * 100);
-
-               pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_IMODE);
-               pca_outw(pca_data, I2C_PCA_IND, mode);
-               pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLL);
-               pca_outw(pca_data, I2C_PCA_IND, tlow);
-               pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLH);
-               pca_outw(pca_data, I2C_PCA_IND, thi);
-
-               pca_set_con(pca_data, I2C_PCA_CON_ENSIO);
        }
        udelay(500); /* 500 us for oscillator to stabilise */
 
diff --git a/drivers/iio/accel/bmc150-accel-core.c 
b/drivers/iio/accel/bmc150-accel-core.c
index b6254ce9ab3b..86fe94f9511f 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -197,6 +197,14 @@ struct bmc150_accel_data {
        struct mutex mutex;
        u8 fifo_mode, watermark;
        s16 buffer[8];
+       /*
+        * Ensure there is sufficient space and correct alignment for
+        * the timestamp if enabled
+        */
+       struct {
+               __le16 channels[3];
+               s64 ts __aligned(8);
+       } scan;
        u8 bw_bits;
        u32 slope_dur;
        u32 slope_thres;
@@ -933,15 +941,16 @@ static int __bmc150_accel_fifo_flush(struct iio_dev 
*indio_dev,
         * now.
         */
        for (i = 0; i < count; i++) {
-               u16 sample[8];
                int j, bit;
 
                j = 0;
                for_each_set_bit(bit, indio_dev->active_scan_mask,
                                 indio_dev->masklength)
-                       memcpy(&sample[j++], &buffer[i * 3 + bit], 2);
+                       memcpy(&data->scan.channels[j++], &buffer[i * 3 + bit],
+                              sizeof(data->scan.channels[0]));
 
-               iio_push_to_buffers_with_timestamp(indio_dev, sample, tstamp);
+               iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
+                                                  tstamp);
 
                tstamp += sample_period;
        }
diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c
index 9af60ac70738..1bda730a71c0 100644
--- a/drivers/iio/accel/kxsd9.c
+++ b/drivers/iio/accel/kxsd9.c
@@ -212,14 +212,20 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p)
        const struct iio_poll_func *pf = p;
        struct iio_dev *indio_dev = pf->indio_dev;
        struct kxsd9_state *st = iio_priv(indio_dev);
+       /*
+        * Ensure correct positioning and alignment of timestamp.
+        * No need to zero initialize as all elements written.
+        */
+       struct {
+               __be16 chan[4];
+               s64 ts __aligned(8);
+       } hw_values;
        int ret;
-       /* 4 * 16bit values AND timestamp */
-       __be16 hw_values[8];
 
        ret = regmap_bulk_read(st->map,
                               KXSD9_REG_X,
-                              &hw_values,
-                              8);
+                              hw_values.chan,
+                              sizeof(hw_values.chan));
        if (ret) {
                dev_err(st->dev,
                        "error reading data\n");
@@ -227,7 +233,7 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p)
        }
 
        iio_push_to_buffers_with_timestamp(indio_dev,
-                                          hw_values,
+                                          &hw_values,
                                           iio_get_time_ns(indio_dev));
        iio_trigger_notify_done(indio_dev->trig);
 
diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c
index 6551085bedd7..f7804e56cc27 100644
--- a/drivers/iio/accel/mma7455_core.c
+++ b/drivers/iio/accel/mma7455_core.c
@@ -55,6 +55,14 @@
 
 struct mma7455_data {
        struct regmap *regmap;
+       /*
+        * Used to reorganize data.  Will ensure correct alignment of
+        * the timestamp if present
+        */
+       struct {
+               __le16 channels[3];
+               s64 ts __aligned(8);
+       } scan;
 };
 
 static int mma7455_drdy(struct mma7455_data *mma7455)
@@ -85,19 +93,19 @@ static irqreturn_t mma7455_trigger_handler(int irq, void *p)
        struct iio_poll_func *pf = p;
        struct iio_dev *indio_dev = pf->indio_dev;
        struct mma7455_data *mma7455 = iio_priv(indio_dev);
-       u8 buf[16]; /* 3 x 16-bit channels + padding + ts */
        int ret;
 
        ret = mma7455_drdy(mma7455);
        if (ret)
                goto done;
 
-       ret = regmap_bulk_read(mma7455->regmap, MMA7455_REG_XOUTL, buf,
-                              sizeof(__le16) * 3);
+       ret = regmap_bulk_read(mma7455->regmap, MMA7455_REG_XOUTL,
+                              mma7455->scan.channels,
+                              sizeof(mma7455->scan.channels));
        if (ret)
                goto done;
 
-       iio_push_to_buffers_with_timestamp(indio_dev, buf,
+       iio_push_to_buffers_with_timestamp(indio_dev, &mma7455->scan,
                                           iio_get_time_ns(indio_dev));
 
 done:
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 08cb814c36da..90d4179e8c3d 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -105,6 +105,12 @@ struct mma8452_data {
        u8 ctrl_reg1;
        u8 data_cfg;
        const struct mma_chip_info *chip_info;
+
+       /* Ensure correct alignment of time stamp when present */
+       struct {
+               __be16 channels[3];
+               s64 ts __aligned(8);
+       } buffer;
 };
 
 /**
@@ -985,14 +991,13 @@ static irqreturn_t mma8452_trigger_handler(int irq, void 
*p)
        struct iio_poll_func *pf = p;
        struct iio_dev *indio_dev = pf->indio_dev;
        struct mma8452_data *data = iio_priv(indio_dev);
-       u8 buffer[16]; /* 3 16-bit channels + padding + ts */
        int ret;
 
-       ret = mma8452_read(data, (__be16 *)buffer);
+       ret = mma8452_read(data, data->buffer.channels);
        if (ret < 0)
                goto done;
 
-       iio_push_to_buffers_with_timestamp(indio_dev, buffer,
+       iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer,
                                           iio_get_time_ns(indio_dev));
 
 done:
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 59b7d76e1ad2..ce7e9a2383af 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -117,6 +117,11 @@ struct ina2xx_chip_info {
        int int_time_vbus; /* Bus voltage integration time uS */
        int int_time_vshunt; /* Shunt voltage integration time uS */
        bool allow_async_readout;
+       /* data buffer needs space for channel data and timestamp */
+       struct {
+               u16 chan[4];
+               u64 ts __aligned(8);
+       } scan;
 };
 
 static const struct ina2xx_config ina2xx_config[] = {
@@ -459,7 +464,6 @@ static const struct iio_chan_spec ina2xx_channels[] = {
 static int ina2xx_work_buffer(struct iio_dev *indio_dev)
 {
        struct ina2xx_chip_info *chip = iio_priv(indio_dev);
-       unsigned short data[8];
        int bit, ret, i = 0;
        s64 time_a, time_b;
        unsigned int alert;
@@ -500,13 +504,12 @@ static int ina2xx_work_buffer(struct iio_dev *indio_dev)
                if (ret < 0)
                        return ret;
 
-               data[i++] = val;
+               chip->scan.chan[i++] = val;
        }
 
        time_b = iio_get_time_ns(indio_dev);
 
-       iio_push_to_buffers_with_timestamp(indio_dev,
-                                          (unsigned int *)data, time_a);
+       iio_push_to_buffers_with_timestamp(indio_dev, &chip->scan, time_a);
 
        return (unsigned long)(time_b - time_a) / 1000;
 };
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 254135e07792..6cc6666180eb 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -99,16 +99,12 @@ static int mcp3422_update_config(struct mcp3422 *adc, u8 
newconfig)
 {
        int ret;
 
-       mutex_lock(&adc->lock);
-
        ret = i2c_master_send(adc->i2c, &newconfig, 1);
        if (ret > 0) {
                adc->config = newconfig;
                ret = 0;
        }
 
-       mutex_unlock(&adc->lock);
-
        return ret;
 }
 
@@ -141,6 +137,8 @@ static int mcp3422_read_channel(struct mcp3422 *adc,
        u8 config;
        u8 req_channel = channel->channel;
 
+       mutex_lock(&adc->lock);
+
        if (req_channel != MCP3422_CHANNEL(adc->config)) {
                config = adc->config;
                config &= ~MCP3422_CHANNEL_MASK;
@@ -148,12 +146,18 @@ static int mcp3422_read_channel(struct mcp3422 *adc,
                config &= ~MCP3422_PGA_MASK;
                config |= MCP3422_PGA_VALUE(adc->pga[req_channel]);
                ret = mcp3422_update_config(adc, config);
-               if (ret < 0)
+               if (ret < 0) {
+                       mutex_unlock(&adc->lock);
                        return ret;
+               }
                msleep(mcp3422_read_times[MCP3422_SAMPLE_RATE(adc->config)]);
        }
 
-       return mcp3422_read(adc, value, &config);
+       ret = mcp3422_read(adc, value, &config);
+
+       mutex_unlock(&adc->lock);
+
+       return ret;
 }
 
 static int mcp3422_read_raw(struct iio_dev *iio,
diff --git a/drivers/iio/adc/ti-adc081c.c b/drivers/iio/adc/ti-adc081c.c
index 319172cf7da8..d9bfe79c1747 100644
--- a/drivers/iio/adc/ti-adc081c.c
+++ b/drivers/iio/adc/ti-adc081c.c
@@ -36,6 +36,12 @@ struct adc081c {
 
        /* 8, 10 or 12 */
        int bits;
+
+       /* Ensure natural alignment of buffer elements */
+       struct {
+               u16 channel;
+               s64 ts __aligned(8);
+       } scan;
 };
 
 #define REG_CONV_RES 0x00
@@ -132,14 +138,13 @@ static irqreturn_t adc081c_trigger_handler(int irq, void 
*p)
        struct iio_poll_func *pf = p;
        struct iio_dev *indio_dev = pf->indio_dev;
        struct adc081c *data = iio_priv(indio_dev);
-       u16 buf[8]; /* 2 bytes data + 6 bytes padding + 8 bytes timestamp */
        int ret;
 
        ret = i2c_smbus_read_word_swapped(data->i2c, REG_CONV_RES);
        if (ret < 0)
                goto out;
-       buf[0] = ret;
-       iio_push_to_buffers_with_timestamp(indio_dev, buf,
+       data->scan.channel = ret;
+       iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
                                           iio_get_time_ns(indio_dev));
 out:
        iio_trigger_notify_done(indio_dev->trig);
diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index af05e20c986b..5afe32f6587b 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -220,6 +220,7 @@ static const struct iio_chan_spec ads1115_channels[] = {
        IIO_CHAN_SOFT_TIMESTAMP(ADS1015_TIMESTAMP),
 };
 
+#ifdef CONFIG_PM
 static int ads1015_set_power_state(struct ads1015_data *data, bool on)
 {
        int ret;
@@ -237,6 +238,15 @@ static int ads1015_set_power_state(struct ads1015_data 
*data, bool on)
        return ret < 0 ? ret : 0;
 }
 
+#else /* !CONFIG_PM */
+
+static int ads1015_set_power_state(struct ads1015_data *data, bool on)
+{
+       return 0;
+}
+
+#endif /* !CONFIG_PM */
+
 static
 int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val)
 {
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index c298fd86ed86..a8f9bc12ee23 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1218,13 +1218,16 @@ static irqreturn_t ltr501_trigger_handler(int irq, void 
*p)
        struct iio_poll_func *pf = p;
        struct iio_dev *indio_dev = pf->indio_dev;
        struct ltr501_data *data = iio_priv(indio_dev);
-       u16 buf[8];
+       struct {
+               u16 channels[3];
+               s64 ts __aligned(8);
+       } scan;
        __le16 als_buf[2];
        u8 mask = 0;
        int j = 0;
        int ret, psdata;
 
-       memset(buf, 0, sizeof(buf));
+       memset(&scan, 0, sizeof(scan));
 
        /* figure out which data needs to be ready */
        if (test_bit(0, indio_dev->active_scan_mask) ||
@@ -1243,9 +1246,9 @@ static irqreturn_t ltr501_trigger_handler(int irq, void 
*p)
                if (ret < 0)
                        return ret;
                if (test_bit(0, indio_dev->active_scan_mask))
-                       buf[j++] = le16_to_cpu(als_buf[1]);
+                       scan.channels[j++] = le16_to_cpu(als_buf[1]);
                if (test_bit(1, indio_dev->active_scan_mask))
-                       buf[j++] = le16_to_cpu(als_buf[0]);
+                       scan.channels[j++] = le16_to_cpu(als_buf[0]);
        }
 
        if (mask & LTR501_STATUS_PS_RDY) {
@@ -1253,10 +1256,10 @@ static irqreturn_t ltr501_trigger_handler(int irq, void 
*p)
                                       &psdata, 2);
                if (ret < 0)
                        goto done;
-               buf[j++] = psdata & LTR501_PS_DATA_MASK;
+               scan.channels[j++] = psdata & LTR501_PS_DATA_MASK;
        }
 
-       iio_push_to_buffers_with_timestamp(indio_dev, buf,
+       iio_push_to_buffers_with_timestamp(indio_dev, &scan,
                                           iio_get_time_ns(indio_dev));
 
 done:
diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c
index a8ffa432bf0d..87662c88fbeb 100644
--- a/drivers/iio/light/max44000.c
+++ b/drivers/iio/light/max44000.c
@@ -78,6 +78,11 @@
 struct max44000_data {
        struct mutex lock;
        struct regmap *regmap;
+       /* Ensure naturally aligned timestamp */
+       struct {
+               u16 channels[2];
+               s64 ts __aligned(8);
+       } scan;
 };
 
 /* Default scale is set to the minimum of 0.03125 or 1 / (1 << 5) lux */
@@ -491,7 +496,6 @@ static irqreturn_t max44000_trigger_handler(int irq, void 
*p)
        struct iio_poll_func *pf = p;
        struct iio_dev *indio_dev = pf->indio_dev;
        struct max44000_data *data = iio_priv(indio_dev);
-       u16 buf[8]; /* 2x u16 + padding + 8 bytes timestamp */
        int index = 0;
        unsigned int regval;
        int ret;
@@ -501,17 +505,17 @@ static irqreturn_t max44000_trigger_handler(int irq, void 
*p)
                ret = max44000_read_alsval(data);
                if (ret < 0)
                        goto out_unlock;
-               buf[index++] = ret;
+               data->scan.channels[index++] = ret;
        }
        if (test_bit(MAX44000_SCAN_INDEX_PRX, indio_dev->active_scan_mask)) {
                ret = regmap_read(data->regmap, MAX44000_REG_PRX_DATA, &regval);
                if (ret < 0)
                        goto out_unlock;
-               buf[index] = regval;
+               data->scan.channels[index] = regval;
        }
        mutex_unlock(&data->lock);
 
-       iio_push_to_buffers_with_timestamp(indio_dev, buf,
+       iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
                                           iio_get_time_ns(indio_dev));
        iio_trigger_notify_done(indio_dev->trig);
        return IRQ_HANDLED;
diff --git a/drivers/iio/magnetometer/ak8975.c 
b/drivers/iio/magnetometer/ak8975.c
index af8606cc7812..2a4e23e20ebc 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -381,6 +381,12 @@ struct ak8975_data {
        struct iio_mount_matrix orientation;
        struct regulator        *vdd;
        struct regulator        *vid;
+
+       /* Ensure natural alignment of timestamp */
+       struct {
+               s16 channels[3];
+               s64 ts __aligned(8);
+       } scan;
 };
 
 /* Enable attached power regulator if any. */
@@ -690,6 +696,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int 
index, int *val)
        struct ak8975_data *data = iio_priv(indio_dev);
        const struct i2c_client *client = data->client;
        const struct ak_def *def = data->def;
+       __le16 rval;
        u16 buff;
        int ret;
 
@@ -703,7 +710,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int 
index, int *val)
 
        ret = i2c_smbus_read_i2c_block_data_or_emulated(
                        client, def->data_regs[index],
-                       sizeof(buff), (u8*)&buff);
+                       sizeof(rval), (u8*)&rval);
        if (ret < 0)
                goto exit;
 
@@ -713,7 +720,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int 
index, int *val)
        pm_runtime_put_autosuspend(&data->client->dev);
 
        /* Swap bytes and convert to valid range. */
-       buff = le16_to_cpu(buff);
+       buff = le16_to_cpu(rval);
        *val = clamp_t(s16, buff, -def->range, def->range);
        return IIO_VAL_INT;
 
@@ -812,7 +819,7 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev)
        const struct i2c_client *client = data->client;
        const struct ak_def *def = data->def;
        int ret;
-       s16 buff[8]; /* 3 x 16 bits axis values + 1 aligned 64 bits timestamp */
+       __le16 fval[3];
 
        mutex_lock(&data->lock);
 
@@ -826,20 +833,21 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev)
         */
        ret = i2c_smbus_read_i2c_block_data_or_emulated(client,
                                                        def->data_regs[0],
-                                                       3 * sizeof(buff[0]),
-                                                       (u8 *)buff);
+                                                       3 * sizeof(fval[0]),
+                                                       (u8 *)fval);
        if (ret < 0)
                goto unlock;
 
        mutex_unlock(&data->lock);
 
        /* Clamp to valid range. */
-       buff[0] = clamp_t(s16, le16_to_cpu(buff[0]), -def->range, def->range);
-       buff[1] = clamp_t(s16, le16_to_cpu(buff[1]), -def->range, def->range);
-       buff[2] = clamp_t(s16, le16_to_cpu(buff[2]), -def->range, def->range);
+       data->scan.channels[0] = clamp_t(s16, le16_to_cpu(fval[0]), 
-def->range, def->range);
+       data->scan.channels[1] = clamp_t(s16, le16_to_cpu(fval[1]), 
-def->range, def->range);
+       data->scan.channels[2] = clamp_t(s16, le16_to_cpu(fval[2]), 
-def->range, def->range);
 
-       iio_push_to_buffers_with_timestamp(indio_dev, buff,
+       iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
                                           iio_get_time_ns(indio_dev));
+
        return;
 
 unlock:
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index ab6c3c25d7ff..9f6234585532 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -168,9 +168,6 @@ static int rxe_init_ports(struct rxe_dev *rxe)
 
        rxe_init_port_param(port);
 
-       if (!port->attr.pkey_tbl_len || !port->attr.gid_tbl_len)
-               return -EINVAL;
-
        port->pkey_tbl = kcalloc(port->attr.pkey_tbl_len,
                        sizeof(*port->pkey_tbl), GFP_KERNEL);
 
@@ -178,7 +175,7 @@ static int rxe_init_ports(struct rxe_dev *rxe)
                return -ENOMEM;
 
        port->pkey_tbl[0] = 0xffff;
-       port->port_guid = rxe->ifc_ops->port_guid(rxe);
+       port->port_guid = rxe_port_guid(rxe);
 
        spin_lock_init(&port->port_lock);
 
diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h 
b/drivers/infiniband/sw/rxe/rxe_loc.h
index 73849a5a91b3..cd7663062d01 100644
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/drivers/infiniband/sw/rxe/rxe_loc.h
@@ -141,6 +141,22 @@ void rxe_mem_cleanup(void *arg);
 
 int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);
 
+/* rxe_net.c */
+int rxe_loopback(struct sk_buff *skb);
+int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
+            struct sk_buff *skb);
+__be64 rxe_port_guid(struct rxe_dev *rxe);
+struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
+                               int paylen, struct rxe_pkt_info *pkt);
+int rxe_prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
+               struct sk_buff *skb, u32 *crc);
+enum rdma_link_layer rxe_link_layer(struct rxe_dev *rxe, unsigned int 
port_num);
+const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num);
+struct device *rxe_dma_device(struct rxe_dev *rxe);
+__be64 rxe_node_guid(struct rxe_dev *rxe);
+int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid);
+int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid);
+
 /* rxe_qp.c */
 int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init);
 
@@ -256,9 +272,9 @@ static inline int rxe_xmit_packet(struct rxe_dev *rxe, 
struct rxe_qp *qp,
 
        if (pkt->mask & RXE_LOOPBACK_MASK) {
                memcpy(SKB_TO_PKT(skb), pkt, sizeof(*pkt));
-               err = rxe->ifc_ops->loopback(skb);
+               err = rxe_loopback(skb);
        } else {
-               err = rxe->ifc_ops->send(rxe, pkt, skb);
+               err = rxe_send(rxe, pkt, skb);
        }
 
        if (err) {
diff --git a/drivers/infiniband/sw/rxe/rxe_mcast.c 
b/drivers/infiniband/sw/rxe/rxe_mcast.c
index fa95544ca7e0..890eb6d5c471 100644
--- a/drivers/infiniband/sw/rxe/rxe_mcast.c
+++ b/drivers/infiniband/sw/rxe/rxe_mcast.c
@@ -61,7 +61,7 @@ int rxe_mcast_get_grp(struct rxe_dev *rxe, union ib_gid *mgid,
 
        rxe_add_key(grp, mgid);
 
-       err = rxe->ifc_ops->mcast_add(rxe, mgid);
+       err = rxe_mcast_add(rxe, mgid);
        if (err)
                goto err2;
 
@@ -186,5 +186,5 @@ void rxe_mc_cleanup(void *arg)
        struct rxe_dev *rxe = grp->rxe;
 
        rxe_drop_key(grp);
-       rxe->ifc_ops->mcast_delete(rxe, &grp->mgid);
+       rxe_mcast_delete(rxe, &grp->mgid);
 }
diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c 
b/drivers/infiniband/sw/rxe/rxe_mr.c
index 9b732c5f89e1..6d1ba75398a1 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -205,6 +205,7 @@ int rxe_mem_init_user(struct rxe_dev *rxe, struct rxe_pd 
*pd, u64 start,
                        vaddr = page_address(sg_page(sg));
                        if (!vaddr) {
                                pr_warn("null vaddr\n");
+                               ib_umem_release(umem);
                                err = -ENOMEM;
                                goto err1;
                        }
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c 
b/drivers/infiniband/sw/rxe/rxe_net.c
index d19e003e8381..e39261234528 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -102,17 +102,17 @@ static __be64 rxe_mac_to_eui64(struct net_device *ndev)
        return eui64;
 }
 
-static __be64 node_guid(struct rxe_dev *rxe)
+__be64 rxe_node_guid(struct rxe_dev *rxe)
 {
        return rxe_mac_to_eui64(rxe->ndev);
 }
 
-static __be64 port_guid(struct rxe_dev *rxe)
+__be64 rxe_port_guid(struct rxe_dev *rxe)
 {
        return rxe_mac_to_eui64(rxe->ndev);
 }
 
-static struct device *dma_device(struct rxe_dev *rxe)
+struct device *rxe_dma_device(struct rxe_dev *rxe)
 {
        struct net_device *ndev;
 
@@ -124,7 +124,7 @@ static struct device *dma_device(struct rxe_dev *rxe)
        return ndev->dev.parent;
 }
 
-static int mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
+int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
 {
        int err;
        unsigned char ll_addr[ETH_ALEN];
@@ -135,7 +135,7 @@ static int mcast_add(struct rxe_dev *rxe, union ib_gid 
*mgid)
        return err;
 }
 
-static int mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid)
+int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid)
 {
        int err;
        unsigned char ll_addr[ETH_ALEN];
@@ -399,8 +399,8 @@ static int prepare6(struct rxe_dev *rxe, struct 
rxe_pkt_info *pkt,
        return 0;
 }
 
-static int prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
-                  struct sk_buff *skb, u32 *crc)
+int rxe_prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
+               struct sk_buff *skb, u32 *crc)
 {
        int err = 0;
        struct rxe_av *av = rxe_get_av(pkt);
@@ -426,8 +426,7 @@ static void rxe_skb_tx_dtor(struct sk_buff *skb)
                rxe_run_task(&qp->req.task, 1);
 }
 
-static int send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
-               struct sk_buff *skb)
+int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, struct sk_buff 
*skb)
 {
        struct sk_buff *nskb;
        struct rxe_av *av;
@@ -462,7 +461,7 @@ static int send(struct rxe_dev *rxe, struct rxe_pkt_info 
*pkt,
        return 0;
 }
 
-static int loopback(struct sk_buff *skb)
+int rxe_loopback(struct sk_buff *skb)
 {
        return rxe_rcv(skb);
 }
@@ -472,8 +471,8 @@ static inline int addr_same(struct rxe_dev *rxe, struct 
rxe_av *av)
        return rxe->port.port_guid == av->grh.dgid.global.interface_id;
 }
 
-static struct sk_buff *init_packet(struct rxe_dev *rxe, struct rxe_av *av,
-                                  int paylen, struct rxe_pkt_info *pkt)
+struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
+                               int paylen, struct rxe_pkt_info *pkt)
 {
        unsigned int hdr_len;
        struct sk_buff *skb;
@@ -512,31 +511,16 @@ static struct sk_buff *init_packet(struct rxe_dev *rxe, 
struct rxe_av *av,
  * this is required by rxe_cfg to match rxe devices in
  * /sys/class/infiniband up with their underlying ethernet devices
  */
-static char *parent_name(struct rxe_dev *rxe, unsigned int port_num)
+const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num)
 {
        return rxe->ndev->name;
 }
 
-static enum rdma_link_layer link_layer(struct rxe_dev *rxe,
-                                      unsigned int port_num)
+enum rdma_link_layer rxe_link_layer(struct rxe_dev *rxe, unsigned int port_num)
 {
        return IB_LINK_LAYER_ETHERNET;
 }
 
-static struct rxe_ifc_ops ifc_ops = {
-       .node_guid      = node_guid,
-       .port_guid      = port_guid,
-       .dma_device     = dma_device,
-       .mcast_add      = mcast_add,
-       .mcast_delete   = mcast_delete,
-       .prepare        = prepare,
-       .send           = send,
-       .loopback       = loopback,
-       .init_packet    = init_packet,
-       .parent_name    = parent_name,
-       .link_layer     = link_layer,
-};
-
 struct rxe_dev *rxe_net_add(struct net_device *ndev)
 {
        int err;
@@ -546,7 +530,6 @@ struct rxe_dev *rxe_net_add(struct net_device *ndev)
        if (!rxe)
                return NULL;
 
-       rxe->ifc_ops = &ifc_ops;
        rxe->ndev = ndev;
 
        err = rxe_add(rxe, ndev->mtu);
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c 
b/drivers/infiniband/sw/rxe/rxe_req.c
index 6fb771290c56..5a2d7b0050f4 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -412,7 +412,7 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp,
 
        /* init skb */
        av = rxe_get_av(pkt);
-       skb = rxe->ifc_ops->init_packet(rxe, av, paylen, pkt);
+       skb = rxe_init_packet(rxe, av, paylen, pkt);
        if (unlikely(!skb))
                return NULL;
 
@@ -483,7 +483,7 @@ static int fill_packet(struct rxe_qp *qp, struct 
rxe_send_wqe *wqe,
        u32 *p;
        int err;
 
-       err = rxe->ifc_ops->prepare(rxe, pkt, skb, &crc);
+       err = rxe_prepare(rxe, pkt, skb, &crc);
        if (err)
                return err;
 
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c 
b/drivers/infiniband/sw/rxe/rxe_resp.c
index 5bfea23f3b60..5733d9d2fcdc 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -600,7 +600,7 @@ static struct sk_buff *prepare_ack_packet(struct rxe_qp *qp,
        pad = (-payload) & 0x3;
        paylen = rxe_opcode[opcode].length + payload + pad + RXE_ICRC_SIZE;
 
-       skb = rxe->ifc_ops->init_packet(rxe, &qp->pri_av, paylen, ack);
+       skb = rxe_init_packet(rxe, &qp->pri_av, paylen, ack);
        if (!skb)
                return NULL;
 
@@ -629,7 +629,7 @@ static struct sk_buff *prepare_ack_packet(struct rxe_qp *qp,
        if (ack->mask & RXE_ATMACK_MASK)
                atmack_set_orig(ack, qp->resp.atomic_orig);
 
-       err = rxe->ifc_ops->prepare(rxe, ack, skb, &crc);
+       err = rxe_prepare(rxe, ack, skb, &crc);
        if (err) {
                kfree_skb(skb);
                return NULL;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c 
b/drivers/infiniband/sw/rxe/rxe_verbs.c
index ef13082d6ca1..3b24ce8e3b3c 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -234,7 +234,7 @@ static enum rdma_link_layer rxe_get_link_layer(struct 
ib_device *dev,
 {
        struct rxe_dev *rxe = to_rdev(dev);
 
-       return rxe->ifc_ops->link_layer(rxe, port_num);
+       return rxe_link_layer(rxe, port_num);
 }
 
 static struct ib_ucontext *rxe_alloc_ucontext(struct ib_device *dev,
@@ -1194,10 +1194,8 @@ static ssize_t rxe_show_parent(struct device *device,
 {
        struct rxe_dev *rxe = container_of(device, struct rxe_dev,
                                           ib_dev.dev);
-       char *name;
 
-       name = rxe->ifc_ops->parent_name(rxe, 1);
-       return snprintf(buf, 16, "%s\n", name);
+       return scnprintf(buf, PAGE_SIZE, "%s\n", rxe_parent_name(rxe, 1));
 }
 
 static DEVICE_ATTR(parent, S_IRUGO, rxe_show_parent, NULL);
@@ -1219,9 +1217,9 @@ int rxe_register_device(struct rxe_dev *rxe)
        dev->node_type = RDMA_NODE_IB_CA;
        dev->phys_port_cnt = 1;
        dev->num_comp_vectors = RXE_NUM_COMP_VECTORS;
-       dev->dma_device = rxe->ifc_ops->dma_device(rxe);
+       dev->dma_device = rxe_dma_device(rxe);
        dev->local_dma_lkey = 0;
-       dev->node_guid = rxe->ifc_ops->node_guid(rxe);
+       dev->node_guid = rxe_node_guid(rxe);
        dev->dma_ops = &rxe_dma_mapping_ops;
 
        dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h 
b/drivers/infiniband/sw/rxe/rxe_verbs.h
index dee3853163b6..d4a84f49dfd8 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -373,26 +373,6 @@ struct rxe_port {
        u32                     qp_gsi_index;
 };
 
-/* callbacks from rdma_rxe to network interface layer */
-struct rxe_ifc_ops {
-       void (*release)(struct rxe_dev *rxe);
-       __be64 (*node_guid)(struct rxe_dev *rxe);
-       __be64 (*port_guid)(struct rxe_dev *rxe);
-       struct device *(*dma_device)(struct rxe_dev *rxe);
-       int (*mcast_add)(struct rxe_dev *rxe, union ib_gid *mgid);
-       int (*mcast_delete)(struct rxe_dev *rxe, union ib_gid *mgid);
-       int (*prepare)(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
-                      struct sk_buff *skb, u32 *crc);
-       int (*send)(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
-                   struct sk_buff *skb);
-       int (*loopback)(struct sk_buff *skb);
-       struct sk_buff *(*init_packet)(struct rxe_dev *rxe, struct rxe_av *av,
-                                      int paylen, struct rxe_pkt_info *pkt);
-       char *(*parent_name)(struct rxe_dev *rxe, unsigned int port_num);
-       enum rdma_link_layer (*link_layer)(struct rxe_dev *rxe,
-                                          unsigned int port_num);
-};
-
 struct rxe_dev {
        struct ib_device        ib_dev;
        struct ib_device_attr   attr;
@@ -401,8 +381,6 @@ struct rxe_dev {
        struct kref             ref_cnt;
        struct mutex    usdev_lock;
 
-       struct rxe_ifc_ops      *ifc_ops;
-
        struct net_device       *ndev;
 
        int                     xmit_errors;
diff --git a/drivers/input/serio/i8042-x86ia64io.h 
b/drivers/input/serio/i8042-x86ia64io.h
index bdc42923523e..e5799639fb54 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -552,6 +552,14 @@ static const struct dmi_system_id __initconst 
i8042_dmi_nomux_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
                },
        },
+       {
+               /* Entroware Proteus */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
+                       DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+               },
+       },
        { }
 };
 
@@ -752,6 +760,14 @@ static const struct dmi_system_id __initconst 
i8042_dmi_reset_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
                },
        },
+       {
+               /* Entroware Proteus */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
+                       DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+               },
+       },
        { }
 };
 
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index a408abc25512..7f99fb666f19 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -377,6 +377,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq 
*ifr)
                memcpy(&state(hdlc)->settings, &new_settings, size);
                spin_lock_init(&state(hdlc)->lock);
                dev->header_ops = &cisco_header_ops;
+               dev->hard_header_len = sizeof(struct hdlc_header);
                dev->type = ARPHRD_CISCO;
                call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev);
                netif_dormant_on(dev);
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 6eb0f7a85e53..c6db9a4e7c45 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -213,6 +213,8 @@ static void lapbeth_data_transmit(struct net_device *ndev, 
struct sk_buff *skb)
 
        skb->dev = dev = lapbeth->ethdev;
 
+       skb_reset_network_header(skb);
+
        dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0);
 
        dev_queue_xmit(skb);
@@ -343,6 +345,7 @@ static int lapbeth_new_device(struct net_device *dev)
         */
        ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len
                                           + dev->needed_headroom;
+       ndev->needed_tailroom = dev->needed_tailroom;
 
        lapbeth = netdev_priv(ndev);
        lapbeth->axdev = ndev;
diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c
index 850e75571c8e..bb1e878913f3 100644
--- a/drivers/nfc/st95hf/core.c
+++ b/drivers/nfc/st95hf/core.c
@@ -981,7 +981,7 @@ static int st95hf_in_send_cmd(struct nfc_digital_dev *ddev,
        rc = down_killable(&stcontext->exchange_lock);
        if (rc) {
                WARN(1, "Semaphore is not found up in st95hf_in_send_cmd\n");
-               return rc;
+               goto free_skb_resp;
        }
 
        rc = st95hf_spi_send(&stcontext->spicontext, skb->data,
diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig
index d6d2f20c4597..21df2816def7 100644
--- a/drivers/rapidio/Kconfig
+++ b/drivers/rapidio/Kconfig
@@ -25,7 +25,7 @@ config RAPIDIO_ENABLE_RX_TX_PORTS
 config RAPIDIO_DMA_ENGINE
        bool "DMA Engine support for RapidIO"
        depends on RAPIDIO
-       select DMADEVICES
+       depends on DMADEVICES
        select DMA_ENGINE
        help
          Say Y here if you want to use DMA Engine frameork for RapidIO data
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 18d57c0efe9f..9355b65920ab 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1191,7 +1191,7 @@ static int set_consumer_device_supply(struct 
regulator_dev *rdev,
                                      const char *consumer_dev_name,
                                      const char *supply)
 {
-       struct regulator_map *node;
+       struct regulator_map *node, *new_node;
        int has_dev;
 
        if (supply == NULL)
@@ -1202,6 +1202,22 @@ static int set_consumer_device_supply(struct 
regulator_dev *rdev,
        else
                has_dev = 0;
 
+       new_node = kzalloc(sizeof(struct regulator_map), GFP_KERNEL);
+       if (new_node == NULL)
+               return -ENOMEM;
+
+       new_node->regulator = rdev;
+       new_node->supply = supply;
+
+       if (has_dev) {
+               new_node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL);
+               if (new_node->dev_name == NULL) {
+                       kfree(new_node);
+                       return -ENOMEM;
+               }
+       }
+
+       mutex_lock(&regulator_list_mutex);
        list_for_each_entry(node, &regulator_map_list, list) {
                if (node->dev_name && consumer_dev_name) {
                        if (strcmp(node->dev_name, consumer_dev_name) != 0)
@@ -1219,26 +1235,19 @@ static int set_consumer_device_supply(struct 
regulator_dev *rdev,
                         node->regulator->desc->name,
                         supply,
                         dev_name(&rdev->dev), rdev_get_name(rdev));
-               return -EBUSY;
+               goto fail;
        }
 
-       node = kzalloc(sizeof(struct regulator_map), GFP_KERNEL);
-       if (node == NULL)
-               return -ENOMEM;
-
-       node->regulator = rdev;
-       node->supply = supply;
-
-       if (has_dev) {
-               node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL);
-               if (node->dev_name == NULL) {
-                       kfree(node);
-                       return -ENOMEM;
-               }
-       }
+       list_add(&new_node->list, &regulator_map_list);
+       mutex_unlock(&regulator_list_mutex);
 
-       list_add(&node->list, &regulator_map_list);
        return 0;
+
+fail:
+       mutex_unlock(&regulator_list_mutex);
+       kfree(new_node->dev_name);
+       kfree(new_node);
+       return -EBUSY;
 }
 
 static void unset_regulator_supplies(struct regulator_dev *rdev)
@@ -4034,19 +4043,16 @@ regulator_register(const struct regulator_desc 
*regulator_desc,
 
        /* add consumers devices */
        if (init_data) {
-               mutex_lock(&regulator_list_mutex);
                for (i = 0; i < init_data->num_consumer_supplies; i++) {
                        ret = set_consumer_device_supply(rdev,
                                init_data->consumer_supplies[i].dev_name,
                                init_data->consumer_supplies[i].supply);
                        if (ret < 0) {
-                               mutex_unlock(&regulator_list_mutex);
                                dev_err(dev, "Failed to set supply %s\n",
                                        init_data->consumer_supplies[i].supply);
                                goto unset_supplies;
                        }
                }
-               mutex_unlock(&regulator_list_mutex);
        }
 
        if (!rdev->desc->ops->get_voltage &&
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 87f5e694dbed..b820c3a022ea 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -227,7 +227,10 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd 
*qc)
                task->num_scatter = si;
        }
 
-       task->data_dir = qc->dma_dir;
+       if (qc->tf.protocol == ATA_PROT_NODATA)
+               task->data_dir = DMA_NONE;
+       else
+               task->data_dir = qc->dma_dir;
        task->scatter = qc->sg;
        task->ata_task.retry_count = 1;
        task->task_state_flags = SAS_TASK_STATE_PENDING;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 09dbf3021bb0..7d4a5bb91606 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3865,7 +3865,9 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
 out:
        if (ndlp && NLP_CHK_NODE_ACT(ndlp) && shost) {
                spin_lock_irq(shost->host_lock);
-               ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI);
+               if (mbox)
+                       ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN;
+               ndlp->nlp_flag &= ~NLP_RM_DFLT_RPI;
                spin_unlock_irq(shost->host_lock);
 
                /* If the node is not being used by another discovery thread,
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index e64a13f0bce1..61a2da30f94b 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -795,7 +795,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info 
*pm8001_ha,
 
                res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
                if (res)
-                       return res;
+                       goto ex_err;
                ccb = &pm8001_ha->ccb_info[ccb_tag];
                ccb->device = pm8001_dev;
                ccb->ccb_tag = ccb_tag;
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 50e620f4e8fe..7120083fe761 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -74,7 +74,7 @@ static struct spi_test spi_tests[] = {
        {
                .description    = "tx/rx-transfer - crossing PAGE_SIZE",
                .fill_option    = FILL_COUNT_8,
-               .iterate_len    = { ITERATE_MAX_LEN },
+               .iterate_len    = { ITERATE_LEN },
                .iterate_tx_align = ITERATE_ALIGN,
                .iterate_rx_align = ITERATE_ALIGN,
                .transfers              = {
diff --git a/drivers/staging/greybus/audio_topology.c 
b/drivers/staging/greybus/audio_topology.c
index b6251691a33d..2bc415a19ced 100644
--- a/drivers/staging/greybus/audio_topology.c
+++ b/drivers/staging/greybus/audio_topology.c
@@ -462,6 +462,15 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol 
*kcontrol,
        val = ucontrol->value.integer.value[0] & mask;
        connect = !!val;
 
+       ret = gb_pm_runtime_get_sync(bundle);
+       if (ret)
+               return ret;
+
+       ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
+                                     GB_AUDIO_INVALID_INDEX, &gbvalue);
+       if (ret)
+               goto exit;
+
        /* update ucontrol */
        if (gbvalue.value.integer_value[0] != val) {
                for (wi = 0; wi < wlist->num_widgets; wi++) {
@@ -475,25 +484,17 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol 
*kcontrol,
                gbvalue.value.integer_value[0] =
                        ucontrol->value.integer.value[0];
 
-               ret = gb_pm_runtime_get_sync(bundle);
-               if (ret)
-                       return ret;
-
                ret = gb_audio_gb_set_control(module->mgmt_connection,
                                              data->ctl_id,
                                              GB_AUDIO_INVALID_INDEX, &gbvalue);
-
-               gb_pm_runtime_put_autosuspend(bundle);
-
-               if (ret) {
-                       dev_err_ratelimited(codec->dev,
-                                           "%d:Error in %s for %s\n", ret,
-                                           __func__, kcontrol->id.name);
-                       return ret;
-               }
        }
 
-       return 0;
+exit:
+       gb_pm_runtime_put_autosuspend(bundle);
+       if (ret)
+               dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret,
+                                   __func__, kcontrol->id.name);
+       return ret;
 }
 
 #define SOC_DAPM_MIXER_GB(xname, kcount, data) \
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c 
b/drivers/staging/wlan-ng/hfa384x_usb.c
index 52ad5c137d9f..9d4e3b0d366f 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -523,13 +523,8 @@ static void hfa384x_usb_defer(struct work_struct *data)
 ----------------------------------------------------------------*/
 void hfa384x_create(struct hfa384x *hw, struct usb_device *usb)
 {
-       memset(hw, 0, sizeof(struct hfa384x));
        hw->usb = usb;
 
-       /* set up the endpoints */
-       hw->endp_in = usb_rcvbulkpipe(usb, 1);
-       hw->endp_out = usb_sndbulkpipe(usb, 2);
-
        /* Set up the waitq */
        init_waitqueue_head(&hw->cmdq);
 
diff --git a/drivers/staging/wlan-ng/prism2usb.c 
b/drivers/staging/wlan-ng/prism2usb.c
index 5297e7d1c663..bf617620e17b 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -60,23 +60,14 @@ static int prism2sta_probe_usb(struct usb_interface 
*interface,
                               const struct usb_device_id *id)
 {
        struct usb_device *dev;
-       const struct usb_endpoint_descriptor *epd;
-       const struct usb_host_interface *iface_desc = interface->cur_altsetting;
+       struct usb_endpoint_descriptor *bulk_in, *bulk_out;
+       struct usb_host_interface *iface_desc = interface->cur_altsetting;
        struct wlandevice *wlandev = NULL;
        struct hfa384x *hw = NULL;
        int result = 0;
 
-       if (iface_desc->desc.bNumEndpoints != 2) {
-               result = -ENODEV;
-               goto failed;
-       }
-
-       result = -EINVAL;
-       epd = &iface_desc->endpoint[1].desc;
-       if (!usb_endpoint_is_bulk_in(epd))
-               goto failed;
-       epd = &iface_desc->endpoint[2].desc;
-       if (!usb_endpoint_is_bulk_out(epd))
+       result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, 
NULL, NULL);
+       if (result)
                goto failed;
 
        dev = interface_to_usbdev(interface);
@@ -95,6 +86,8 @@ static int prism2sta_probe_usb(struct usb_interface 
*interface,
        }
 
        /* Initialize the hw data */
+       hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress);
+       hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress);
        hfa384x_create(hw, dev);
        hw->wlandev = wlandev;
 
diff --git a/drivers/target/iscsi/iscsi_target.c 
b/drivers/target/iscsi/iscsi_target.c
index 2b8fbcd8dde2..7c0f4b96816a 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1396,14 +1396,27 @@ static u32 iscsit_do_crypto_hash_sg(
        sg = cmd->first_data_sg;
        page_off = cmd->first_data_sg_off;
 
+       if (data_length && page_off) {
+               struct scatterlist first_sg;
+               u32 len = min_t(u32, data_length, sg->length - page_off);
+
+               sg_init_table(&first_sg, 1);
+               sg_set_page(&first_sg, sg_page(sg), len, sg->offset + page_off);
+
+               ahash_request_set_crypt(hash, &first_sg, NULL, len);
+               crypto_ahash_update(hash);
+
+               data_length -= len;
+               sg = sg_next(sg);
+       }
+
        while (data_length) {
-               u32 cur_len = min_t(u32, data_length, (sg->length - page_off));
+               u32 cur_len = min_t(u32, data_length, sg->length);
 
                ahash_request_set_crypt(hash, sg, NULL, cur_len);
                crypto_ahash_update(hash);
 
                data_length -= cur_len;
-               page_off = 0;
                /* iscsit_map_iovec has already checked for invalid sg pointers 
*/
                sg = sg_next(sg);
        }
diff --git a/drivers/target/iscsi/iscsi_target_login.c 
b/drivers/target/iscsi/iscsi_target_login.c
index 985e600908e0..82a414432fd4 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1150,7 +1150,7 @@ iscsit_conn_set_transport(struct iscsi_conn *conn, struct 
iscsit_transport *t)
 }
 
 void iscsi_target_login_sess_out(struct iscsi_conn *conn,
-               struct iscsi_np *np, bool zero_tsih, bool new_sess)
+                                bool zero_tsih, bool new_sess)
 {
        if (!new_sess)
                goto old_sess_out;
@@ -1172,7 +1172,6 @@ void iscsi_target_login_sess_out(struct iscsi_conn *conn,
        conn->sess = NULL;
 
 old_sess_out:
-       iscsi_stop_login_thread_timer(np);
        /*
         * If login negotiation fails check if the Time2Retain timer
         * needs to be restarted.
@@ -1432,8 +1431,9 @@ static int __iscsi_target_login_thread(struct iscsi_np 
*np)
 new_sess_out:
        new_sess = true;
 old_sess_out:
+       iscsi_stop_login_thread_timer(np);
        tpg_np = conn->tpg_np;
-       iscsi_target_login_sess_out(conn, np, zero_tsih, new_sess);
+       iscsi_target_login_sess_out(conn, zero_tsih, new_sess);
        new_sess = false;
 
        if (tpg) {
diff --git a/drivers/target/iscsi/iscsi_target_login.h 
b/drivers/target/iscsi/iscsi_target_login.h
index b597aa2c61a1..e9daabbb4f54 100644
--- a/drivers/target/iscsi/iscsi_target_login.h
+++ b/drivers/target/iscsi/iscsi_target_login.h
@@ -14,8 +14,7 @@ extern int iscsit_put_login_tx(struct iscsi_conn *, struct 
iscsi_login *, u32);
 extern void iscsit_free_conn(struct iscsi_np *, struct iscsi_conn *);
 extern int iscsit_start_kthreads(struct iscsi_conn *);
 extern void iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, 
u8);
-extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *,
-                               bool, bool);
+extern void iscsi_target_login_sess_out(struct iscsi_conn *, bool, bool);
 extern int iscsi_target_login_thread(void *);
 
 #endif   /*** ISCSI_TARGET_LOGIN_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_nego.c 
b/drivers/target/iscsi/iscsi_target_nego.c
index e8efb4299a95..26b8828101ea 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -548,12 +548,11 @@ static bool iscsi_target_sk_check_and_clear(struct 
iscsi_conn *conn, unsigned in
 
 static void iscsi_target_login_drop(struct iscsi_conn *conn, struct 
iscsi_login *login)
 {
-       struct iscsi_np *np = login->np;
        bool zero_tsih = login->zero_tsih;
 
        iscsi_remove_failed_auth_entry(conn);
        iscsi_target_nego_release(conn);
-       iscsi_target_login_sess_out(conn, np, zero_tsih, true);
+       iscsi_target_login_sess_out(conn, zero_tsih, true);
 }
 
 static void iscsi_target_login_timeout(unsigned long data)
diff --git a/drivers/tty/serial/8250/8250_pci.c 
b/drivers/tty/serial/8250/8250_pci.c
index 2c38b3a1d518..a9c46e10d204 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -5709,6 +5709,17 @@ static struct pci_device_id serial_pci_tbl[] = {
                0,
                0, pbn_exar_XR17V358 },
 
+       /*
+        * Realtek RealManage
+        */
+       {       PCI_VENDOR_ID_REALTEK, 0x816a,
+               PCI_ANY_ID, PCI_ANY_ID,
+               0, 0, pbn_b0_1_115200 },
+
+       {       PCI_VENDOR_ID_REALTEK, 0x816b,
+               PCI_ANY_ID, PCI_ANY_ID,
+               0, 0, pbn_b0_1_115200 },
+
        /* Fintek PCI serial cards */
        { PCI_DEVICE(0x1c29, 0x1104), .driver_data = pbn_fintek_4 },
        { PCI_DEVICE(0x1c29, 0x1108), .driver_data = pbn_fintek_8 },
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index c578d64edc15..71c2ae4b8106 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -840,6 +840,11 @@ static ssize_t usblp_read(struct file *file, char __user 
*buffer, size_t len, lo
        if (rv < 0)
                return rv;
 
+       if (!usblp->present) {
+               count = -ENODEV;
+               goto done;
+       }
+
        if ((avail = usblp->rstatus) < 0) {
                printk(KERN_ERR "usblp%d: error %d reading from printer\n",
                    usblp->minor, (int)avail);
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index e33d23c2f6ea..7c4937013429 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1142,6 +1142,34 @@ void usb_disable_interface(struct usb_device *dev, 
struct usb_interface *intf,
        }
 }
 
+/*
+ * usb_disable_device_endpoints -- Disable all endpoints for a device
+ * @dev: the device whose endpoints are being disabled
+ * @skip_ep0: 0 to disable endpoint 0, 1 to skip it.
+ */
+static void usb_disable_device_endpoints(struct usb_device *dev, int skip_ep0)
+{
+       struct usb_hcd *hcd = bus_to_hcd(dev->bus);
+       int i;
+
+       if (hcd->driver->check_bandwidth) {
+               /* First pass: Cancel URBs, leave endpoint pointers intact. */
+               for (i = skip_ep0; i < 16; ++i) {
+                       usb_disable_endpoint(dev, i, false);
+                       usb_disable_endpoint(dev, i + USB_DIR_IN, false);
+               }
+               /* Remove endpoints from the host controller internal state */
+               mutex_lock(hcd->bandwidth_mutex);
+               usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+               mutex_unlock(hcd->bandwidth_mutex);
+       }
+       /* Second pass: remove endpoint pointers */
+       for (i = skip_ep0; i < 16; ++i) {
+               usb_disable_endpoint(dev, i, true);
+               usb_disable_endpoint(dev, i + USB_DIR_IN, true);
+       }
+}
+
 /**
  * usb_disable_device - Disable all the endpoints for a USB device
  * @dev: the device whose endpoints are being disabled
@@ -1155,7 +1183,6 @@ void usb_disable_interface(struct usb_device *dev, struct 
usb_interface *intf,
 void usb_disable_device(struct usb_device *dev, int skip_ep0)
 {
        int i;
-       struct usb_hcd *hcd = bus_to_hcd(dev->bus);
 
        /* getting rid of interfaces will disconnect
         * any drivers bound to them (a key side effect)
@@ -1201,22 +1228,8 @@ void usb_disable_device(struct usb_device *dev, int 
skip_ep0)
 
        dev_dbg(&dev->dev, "%s nuking %s URBs\n", __func__,
                skip_ep0 ? "non-ep0" : "all");
-       if (hcd->driver->check_bandwidth) {
-               /* First pass: Cancel URBs, leave endpoint pointers intact. */
-               for (i = skip_ep0; i < 16; ++i) {
-                       usb_disable_endpoint(dev, i, false);
-                       usb_disable_endpoint(dev, i + USB_DIR_IN, false);
-               }
-               /* Remove endpoints from the host controller internal state */
-               mutex_lock(hcd->bandwidth_mutex);
-               usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
-               mutex_unlock(hcd->bandwidth_mutex);
-               /* Second pass: remove endpoint pointers */
-       }
-       for (i = skip_ep0; i < 16; ++i) {
-               usb_disable_endpoint(dev, i, true);
-               usb_disable_endpoint(dev, i + USB_DIR_IN, true);
-       }
+
+       usb_disable_device_endpoints(dev, skip_ep0);
 }
 
 /**
@@ -1459,6 +1472,9 @@ EXPORT_SYMBOL_GPL(usb_set_interface);
  * The caller must own the device lock.
  *
  * Return: Zero on success, else a negative error code.
+ *
+ * If this routine fails the device will probably be in an unusable state
+ * with endpoints disabled, and interfaces only partially enabled.
  */
 int usb_reset_configuration(struct usb_device *dev)
 {
@@ -1474,10 +1490,7 @@ int usb_reset_configuration(struct usb_device *dev)
         * calls during probe() are fine
         */
 
-       for (i = 1; i < 16; ++i) {
-               usb_disable_endpoint(dev, i, true);
-               usb_disable_endpoint(dev, i + USB_DIR_IN, true);
-       }
+       usb_disable_device_endpoints(dev, 1); /* skip ep0*/
 
        config = dev->actconfig;
        retval = 0;
@@ -1490,34 +1503,10 @@ int usb_reset_configuration(struct usb_device *dev)
                mutex_unlock(hcd->bandwidth_mutex);
                return -ENOMEM;
        }
-       /* Make sure we have enough bandwidth for each alternate setting 0 */
-       for (i = 0; i < config->desc.bNumInterfaces; i++) {
-               struct usb_interface *intf = config->interface[i];
-               struct usb_host_interface *alt;
 
-               alt = usb_altnum_to_altsetting(intf, 0);
-               if (!alt)
-                       alt = &intf->altsetting[0];
-               if (alt != intf->cur_altsetting)
-                       retval = usb_hcd_alloc_bandwidth(dev, NULL,
-                                       intf->cur_altsetting, alt);
-               if (retval < 0)
-                       break;
-       }
-       /* If not, reinstate the old alternate settings */
+       /* xHCI adds all endpoints in usb_hcd_alloc_bandwidth */
+       retval = usb_hcd_alloc_bandwidth(dev, config, NULL, NULL);
        if (retval < 0) {
-reset_old_alts:
-               for (i--; i >= 0; i--) {
-                       struct usb_interface *intf = config->interface[i];
-                       struct usb_host_interface *alt;
-
-                       alt = usb_altnum_to_altsetting(intf, 0);
-                       if (!alt)
-                               alt = &intf->altsetting[0];
-                       if (alt != intf->cur_altsetting)
-                               usb_hcd_alloc_bandwidth(dev, NULL,
-                                               alt, intf->cur_altsetting);
-               }
                usb_enable_lpm(dev);
                mutex_unlock(hcd->bandwidth_mutex);
                return retval;
@@ -1526,8 +1515,12 @@ int usb_reset_configuration(struct usb_device *dev)
                        USB_REQ_SET_CONFIGURATION, 0,
                        config->desc.bConfigurationValue, 0,
                        NULL, 0, USB_CTRL_SET_TIMEOUT);
-       if (retval < 0)
-               goto reset_old_alts;
+       if (retval < 0) {
+               usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+               usb_enable_lpm(dev);
+               mutex_unlock(hcd->bandwidth_mutex);
+               return retval;
+       }
        mutex_unlock(hcd->bandwidth_mutex);
 
        /* re-init hc/hcd interface/endpoint state */
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index eed7c8d8e3d4..dd72e85f2e17 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -236,6 +236,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Generic RTL8153 based ethernet adapters */
        { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },
 
+       /* SONiX USB DEVICE Touchpad */
+       { USB_DEVICE(0x0c45, 0x7056), .driver_info =
+                       USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+
        /* Action Semiconductor flash disk */
        { USB_DEVICE(0x10d6, 0x2200), .driver_info =
                        USB_QUIRK_STRING_FETCH_255 },
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 1a232b4ffe71..f6c6d99eb388 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -848,7 +848,11 @@ read_descriptors(struct file *filp, struct kobject *kobj,
        size_t srclen, n;
        int cfgno;
        void *src;
+       int retval;
 
+       retval = usb_lock_device_interruptible(udev);
+       if (retval < 0)
+               return -EINTR;
        /* The binary attribute begins with the device descriptor.
         * Following that are the raw descriptor entries for all the
         * configurations (config plus subsidiary descriptors).
@@ -873,6 +877,7 @@ read_descriptors(struct file *filp, struct kobject *kobj,
                        off -= srclen;
                }
        }
+       usb_unlock_device(udev);
        return count - nleft;
 }
 
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index f3996ba71a59..beebf02130d7 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -72,6 +72,89 @@ MODULE_PARM_DESC(autosuspend, "default autosuspend delay");
 #endif
 
 
+/**
+ * usb_find_common_endpoints() -- look up common endpoint descriptors
+ * @alt:       alternate setting to search
+ * @bulk_in:   pointer to descriptor pointer, or NULL
+ * @bulk_out:  pointer to descriptor pointer, or NULL
+ * @int_in:    pointer to descriptor pointer, or NULL
+ * @int_out:   pointer to descriptor pointer, or NULL
+ *
+ * Search the alternate setting's endpoint descriptors for the first bulk-in,
+ * bulk-out, interrupt-in and interrupt-out endpoints and return them in the
+ * provided pointers (unless they are NULL).
+ *
+ * If a requested endpoint is not found, the corresponding pointer is set to
+ * NULL.
+ *
+ * Return: Zero if all requested descriptors were found, or -ENXIO otherwise.
+ */
+int usb_find_common_endpoints(struct usb_host_interface *alt,
+               struct usb_endpoint_descriptor **bulk_in,
+               struct usb_endpoint_descriptor **bulk_out,
+               struct usb_endpoint_descriptor **int_in,
+               struct usb_endpoint_descriptor **int_out)
+{
+       struct usb_endpoint_descriptor *epd;
+       int i;
+
+       if (bulk_in)
+               *bulk_in = NULL;
+       if (bulk_out)
+               *bulk_out = NULL;
+       if (int_in)
+               *int_in = NULL;
+       if (int_out)
+               *int_out = NULL;
+
+       for (i = 0; i < alt->desc.bNumEndpoints; ++i) {
+               epd = &alt->endpoint[i].desc;
+
+               switch (usb_endpoint_type(epd)) {
+               case USB_ENDPOINT_XFER_BULK:
+                       if (usb_endpoint_dir_in(epd)) {
+                               if (bulk_in && !*bulk_in) {
+                                       *bulk_in = epd;
+                                       break;
+                               }
+                       } else {
+                               if (bulk_out && !*bulk_out) {
+                                       *bulk_out = epd;
+                                       break;
+                               }
+                       }
+
+                       continue;
+               case USB_ENDPOINT_XFER_INT:
+                       if (usb_endpoint_dir_in(epd)) {
+                               if (int_in && !*int_in) {
+                                       *int_in = epd;
+                                       break;
+                               }
+                       } else {
+                               if (int_out && !*int_out) {
+                                       *int_out = epd;
+                                       break;
+                               }
+                       }
+
+                       continue;
+               default:
+                       continue;
+               }
+
+               if ((!bulk_in || *bulk_in) &&
+                               (!bulk_out || *bulk_out) &&
+                               (!int_in || *int_in) &&
+                               (!int_out || *int_out)) {
+                       return 0;
+               }
+       }
+
+       return -ENXIO;
+}
+EXPORT_SYMBOL_GPL(usb_find_common_endpoints);
+
 /**
  * usb_find_alt_setting() - Given a configuration, find the alternate setting
  * for the given interface.
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 063064801ceb..b3d6cc1a8021 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -35,6 +35,7 @@
 #include <linux/interrupt.h>
 #include <linux/usb.h>
 #include <linux/usb/hcd.h>
+#include <linux/usb/otg.h>
 #include <linux/moduleparam.h>
 #include <linux/dma-mapping.h>
 #include <linux/debugfs.h>
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 74f62d68f013..3a3926ff7b85 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -27,7 +27,6 @@
  */
 
 /*-------------------------------------------------------------------------*/
-#include <linux/usb/otg.h>
 
 #define        PORT_WAKE_BITS  (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E)
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0c8b24ff44a0..838123dc390c 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -708,6 +708,7 @@ static const struct usb_device_id id_table_combined[] = {
        { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
        { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
        { USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
+       { USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) },
        { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
        { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h 
b/drivers/usb/serial/ftdi_sio_ids.h
index 32a40ab9a385..c33e06752b5f 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -159,6 +159,7 @@
 #define XSENS_AWINDA_DONGLE_PID 0x0102
 #define XSENS_MTW_PID          0x0200  /* Xsens MTw */
 #define XSENS_MTDEVBOARD_PID   0x0300  /* Motion Tracker Development Board */
+#define XSENS_MTIUSBCONVERTER_PID      0x0301  /* MTi USB converter */
 #define XSENS_CONVERTER_PID    0xD00D  /* Xsens USB-serial converter */
 
 /* Xsens devices using FTDI VID */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 52b1092ed57e..8cff50ef4fd1 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1808,6 +1808,8 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) },   /* Simcom 
SIM7500/SIM7600 MBIM mode */
        { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff),     /* Simcom 
SIM7500/SIM7600 RNDIS mode */
          .driver_info = RSVD(7) },
+       { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9205, 0xff) },   /* Simcom 
SIM7070/SIM7080/SIM7090 AT+ECM mode */
+       { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9206, 0xff) },   /* Simcom 
SIM7070/SIM7080/SIM7090 AT-only mode */
        { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200),
          .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) },
        { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D),
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index bb7556952a18..8378e92f7c04 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -670,8 +670,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,
        if (devinfo->resetting) {
                cmnd->result = DID_ERROR << 16;
                cmnd->scsi_done(cmnd);
-               spin_unlock_irqrestore(&devinfo->lock, flags);
-               return 0;
+               goto zombie;
        }
 
        /* Find a free uas-tag */
@@ -706,6 +705,16 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,
                cmdinfo->state &= ~(SUBMIT_DATA_IN_URB | SUBMIT_DATA_OUT_URB);
 
        err = uas_submit_urbs(cmnd, devinfo);
+       /*
+        * in case of fatal errors the SCSI layer is peculiar
+        * a command that has finished is a success for the purpose
+        * of queueing, no matter how fatal the error
+        */
+       if (err == -ENODEV) {
+               cmnd->result = DID_ERROR << 16;
+               cmnd->scsi_done(cmnd);
+               goto zombie;
+       }
        if (err) {
                /* If we did nothing, give up now */
                if (cmdinfo->state & SUBMIT_STATUS_URB) {
@@ -716,6 +725,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,
        }
 
        devinfo->cmnd[idx] = cmnd;
+zombie:
        spin_unlock_irqrestore(&devinfo->lock, flags);
        return 0;
 }
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index 38da6e299149..c31715019cb4 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -22,31 +22,6 @@ config VGA_CONSOLE
 
          Say Y.
 
-config VGACON_SOFT_SCROLLBACK
-       bool "Enable Scrollback Buffer in System RAM"
-       depends on VGA_CONSOLE
-       default n
-       help
-         The scrollback buffer of the standard VGA console is located in
-        the VGA RAM.  The size of this RAM is fixed and is quite small.
-        If you require a larger scrollback buffer, this can be placed in
-        System RAM which is dynamically allocated during initialization.
-        Placing the scrollback buffer in System RAM will slightly slow
-        down the console.
-
-        If you want this feature, say 'Y' here and enter the amount of
-        RAM to allocate for this buffer.  If unsure, say 'N'.
-
-config VGACON_SOFT_SCROLLBACK_SIZE
-       int "Scrollback Buffer Size (in KB)"
-       depends on VGACON_SOFT_SCROLLBACK
-       range 1 1024
-       default "64"
-       help
-         Enter the amount of System RAM to allocate for the scrollback
-        buffer.  Each 64KB will give you approximately 16 80x25
-        screenfuls of scrollback buffer
-
 config MDA_CONSOLE
        depends on !M68K && !PARISC && ISA
        tristate "MDA text console (dual-headed)"
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
index 05d1d36a5665..a7ab8323304d 100644
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.c
@@ -234,7 +234,7 @@ static void bit_clear_margins(struct vc_data *vc, struct 
fb_info *info,
 }
 
 static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-                      int softback_lines, int fg, int bg)
+                      int fg, int bg)
 {
        struct fb_cursor cursor;
        struct fbcon_ops *ops = info->fbcon_par;
@@ -247,15 +247,6 @@ static void bit_cursor(struct vc_data *vc, struct fb_info 
*info, int mode,
 
        cursor.set = 0;
 
-       if (softback_lines) {
-               if (y + softback_lines >= vc->vc_rows) {
-                       mode = CM_ERASE;
-                       ops->cursor_flash = 0;
-                       return;
-               } else
-                       y += softback_lines;
-       }
-
        c = scr_readw((u16 *) vc->vc_pos);
        attribute = get_attribute(info, c);
        src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height));
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index dd6797e54e8a..4b7d0f9a820a 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -101,12 +101,6 @@ static int logo_lines;
 /* logo_shown is an index to vc_cons when >= 0; otherwise follows FBCON_LOGO
    enums.  */
 static int logo_shown = FBCON_LOGO_CANSHOW;
-/* Software scrollback */
-static int fbcon_softback_size = 32768;
-static unsigned long softback_buf, softback_curr;
-static unsigned long softback_in;
-static unsigned long softback_top, softback_end;
-static int softback_lines;
 /* console mappings */
 static int first_fb_vc;
 static int last_fb_vc = MAX_NR_CONSOLES - 1;
@@ -140,8 +134,6 @@ static int fbcon_has_sysfs;
 
 static const struct consw fb_con;
 
-#define CM_SOFTBACK    (8)
-
 #define advance_row(p, delta) (unsigned short *)((unsigned long)(p) + (delta) 
* vc->vc_size_row)
 
 static int fbcon_set_origin(struct vc_data *);
@@ -349,18 +341,6 @@ static int get_color(struct vc_data *vc, struct fb_info 
*info,
        return color;
 }
 
-static void fbcon_update_softback(struct vc_data *vc)
-{
-       int l = fbcon_softback_size / vc->vc_size_row;
-
-       if (l > 5)
-               softback_end = softback_buf + l * vc->vc_size_row;
-       else
-               /* Smaller scrollback makes no sense, and 0 would screw
-                  the operation totally */
-               softback_top = 0;
-}
-
 static void fb_flashcursor(struct work_struct *work)
 {
        struct fb_info *info = container_of(work, struct fb_info, queue);
@@ -390,7 +370,7 @@ static void fb_flashcursor(struct work_struct *work)
        c = scr_readw((u16 *) vc->vc_pos);
        mode = (!ops->cursor_flash || ops->cursor_state.enable) ?
                CM_ERASE : CM_DRAW;
-       ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1),
+       ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
                    get_color(vc, info, c, 0));
        console_unlock();
 }
@@ -450,13 +430,7 @@ static int __init fb_console_setup(char *this_opt)
                }
                
                if (!strncmp(options, "scrollback:", 11)) {
-                       options += 11;
-                       if (*options) {
-                               fbcon_softback_size = simple_strtoul(options, 
&options, 0);
-                               if (*options == 'k' || *options == 'K') {
-                                       fbcon_softback_size *= 1024;
-                               }
-                       }
+                       pr_warn("Ignoring scrollback size option\n");
                        continue;
                }
                
@@ -961,31 +935,6 @@ static const char *fbcon_startup(void)
        p->con_rotate = initial_rotation;
        set_blitting_type(vc, info);
 
-       if (info->fix.type != FB_TYPE_TEXT) {
-               if (fbcon_softback_size) {
-                       if (!softback_buf) {
-                               softback_buf =
-                                   (unsigned long)
-                                   kmalloc(fbcon_softback_size,
-                                           GFP_KERNEL);
-                               if (!softback_buf) {
-                                       fbcon_softback_size = 0;
-                                       softback_top = 0;
-                               }
-                       }
-               } else {
-                       if (softback_buf) {
-                               kfree((void *) softback_buf);
-                               softback_buf = 0;
-                               softback_top = 0;
-                       }
-               }
-               if (softback_buf)
-                       softback_in = softback_top = softback_curr =
-                           softback_buf;
-               softback_lines = 0;
-       }
-
        /* Setup default font */
        if (!p->fontdata && !vc->vc_font.data) {
                if (!fontname[0] || !(font = find_font(fontname)))
@@ -1148,9 +1097,6 @@ static void fbcon_init(struct vc_data *vc, int init)
        if (logo)
                fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows);
 
-       if (vc == svc && softback_buf)
-               fbcon_update_softback(vc);
-
        if (ops->rotate_font && ops->rotate_font(info, vc)) {
                ops->rotate = FB_ROTATE_UR;
                set_blitting_type(vc, info);
@@ -1310,7 +1256,6 @@ static void fbcon_cursor(struct vc_data *vc, int mode)
 {
        struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
        struct fbcon_ops *ops = info->fbcon_par;
-       int y;
        int c = scr_readw((u16 *) vc->vc_pos);
 
        ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
@@ -1324,16 +1269,8 @@ static void fbcon_cursor(struct vc_data *vc, int mode)
                fbcon_add_cursor_timer(info);
 
        ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1;
-       if (mode & CM_SOFTBACK) {
-               mode &= ~CM_SOFTBACK;
-               y = softback_lines;
-       } else {
-               if (softback_lines)
-                       fbcon_set_origin(vc);
-               y = 0;
-       }
 
-       ops->cursor(vc, info, mode, y, get_color(vc, info, c, 1),
+       ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
                    get_color(vc, info, c, 0));
 }
 
@@ -1404,8 +1341,6 @@ static void fbcon_set_disp(struct fb_info *info, struct 
fb_var_screeninfo *var,
 
        if (con_is_visible(vc)) {
                update_screen(vc);
-               if (softback_buf)
-                       fbcon_update_softback(vc);
        }
 }
 
@@ -1543,99 +1478,6 @@ static __inline__ void ypan_down_redraw(struct vc_data 
*vc, int t, int count)
        scrollback_current = 0;
 }
 
-static void fbcon_redraw_softback(struct vc_data *vc, struct display *p,
-                                 long delta)
-{
-       int count = vc->vc_rows;
-       unsigned short *d, *s;
-       unsigned long n;
-       int line = 0;
-
-       d = (u16 *) softback_curr;
-       if (d == (u16 *) softback_in)
-               d = (u16 *) vc->vc_origin;
-       n = softback_curr + delta * vc->vc_size_row;
-       softback_lines -= delta;
-       if (delta < 0) {
-               if (softback_curr < softback_top && n < softback_buf) {
-                       n += softback_end - softback_buf;
-                       if (n < softback_top) {
-                               softback_lines -=
-                                   (softback_top - n) / vc->vc_size_row;
-                               n = softback_top;
-                       }
-               } else if (softback_curr >= softback_top
-                          && n < softback_top) {
-                       softback_lines -=
-                           (softback_top - n) / vc->vc_size_row;
-                       n = softback_top;
-               }
-       } else {
-               if (softback_curr > softback_in && n >= softback_end) {
-                       n += softback_buf - softback_end;
-                       if (n > softback_in) {
-                               n = softback_in;
-                               softback_lines = 0;
-                       }
-               } else if (softback_curr <= softback_in && n > softback_in) {
-                       n = softback_in;
-                       softback_lines = 0;
-               }
-       }
-       if (n == softback_curr)
-               return;
-       softback_curr = n;
-       s = (u16 *) softback_curr;
-       if (s == (u16 *) softback_in)
-               s = (u16 *) vc->vc_origin;
-       while (count--) {
-               unsigned short *start;
-               unsigned short *le;
-               unsigned short c;
-               int x = 0;
-               unsigned short attr = 1;
-
-               start = s;
-               le = advance_row(s, 1);
-               do {
-                       c = scr_readw(s);
-                       if (attr != (c & 0xff00)) {
-                               attr = c & 0xff00;
-                               if (s > start) {
-                                       fbcon_putcs(vc, start, s - start,
-                                                   line, x);
-                                       x += s - start;
-                                       start = s;
-                               }
-                       }
-                       if (c == scr_readw(d)) {
-                               if (s > start) {
-                                       fbcon_putcs(vc, start, s - start,
-                                                   line, x);
-                                       x += s - start + 1;
-                                       start = s + 1;
-                               } else {
-                                       x++;
-                                       start++;
-                               }
-                       }
-                       s++;
-                       d++;
-               } while (s < le);
-               if (s > start)
-                       fbcon_putcs(vc, start, s - start, line, x);
-               line++;
-               if (d == (u16 *) softback_end)
-                       d = (u16 *) softback_buf;
-               if (d == (u16 *) softback_in)
-                       d = (u16 *) vc->vc_origin;
-               if (s == (u16 *) softback_end)
-                       s = (u16 *) softback_buf;
-               if (s == (u16 *) softback_in)
-                       s = (u16 *) vc->vc_origin;
-       }
-}
-
 static void fbcon_redraw_move(struct vc_data *vc, struct display *p,
                              int line, int count, int dy)
 {
@@ -1775,31 +1617,6 @@ static void fbcon_redraw(struct vc_data *vc, struct 
display *p,
        }
 }
 
-static inline void fbcon_softback_note(struct vc_data *vc, int t,
-                                      int count)
-{
-       unsigned short *p;
-
-       if (vc->vc_num != fg_console)
-               return;
-       p = (unsigned short *) (vc->vc_origin + t * vc->vc_size_row);
-
-       while (count) {
-               scr_memcpyw((u16 *) softback_in, p, vc->vc_size_row);
-               count--;
-               p = advance_row(p, 1);
-               softback_in += vc->vc_size_row;
-               if (softback_in == softback_end)
-                       softback_in = softback_buf;
-               if (softback_in == softback_top) {
-                       softback_top += vc->vc_size_row;
-                       if (softback_top == softback_end)
-                               softback_top = softback_buf;
-               }
-       }
-       softback_curr = softback_in;
-}
-
 static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
                        int count)
 {
@@ -1822,8 +1639,6 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, 
int dir,
        case SM_UP:
                if (count > vc->vc_rows)        /* Maximum realistic size */
                        count = vc->vc_rows;
-               if (softback_top)
-                       fbcon_softback_note(vc, t, count);
                if (logo_shown >= 0)
                        goto redraw_up;
                switch (p->scrollmode) {
@@ -2128,7 +1943,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int 
width,
        struct fb_var_screeninfo var = info->var;
        int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh;
 
-       if (ops->p && ops->p->userfont && FNTSIZE(vc->vc_font.data)) {
+       if (p->userfont && FNTSIZE(vc->vc_font.data)) {
                int size;
                int pitch = PITCH(vc->vc_font.width);
 
@@ -2194,14 +2009,6 @@ static int fbcon_switch(struct vc_data *vc)
        info = registered_fb[con2fb_map[vc->vc_num]];
        ops = info->fbcon_par;
 
-       if (softback_top) {
-               if (softback_lines)
-                       fbcon_set_origin(vc);
-               softback_top = softback_curr = softback_in = softback_buf;
-               softback_lines = 0;
-               fbcon_update_softback(vc);
-       }
-
        if (logo_shown >= 0) {
                struct vc_data *conp2 = vc_cons[logo_shown].d;
 
@@ -2535,9 +2342,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, 
int h,
        int cnt;
        char *old_data = NULL;
 
-       if (con_is_visible(vc) && softback_lines)
-               fbcon_set_origin(vc);
-
        resize = (w != vc->vc_font.width) || (h != vc->vc_font.height);
        if (p->userfont)
                old_data = vc->vc_font.data;
@@ -2563,8 +2367,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, 
int h,
                cols /= w;
                rows /= h;
                vc_resize(vc, cols, rows);
-               if (con_is_visible(vc) && softback_buf)
-                       fbcon_update_softback(vc);
        } else if (con_is_visible(vc)
                   && vc->vc_mode == KD_TEXT) {
                fbcon_clear_margins(vc, 0);
@@ -2722,19 +2524,7 @@ static void fbcon_set_palette(struct vc_data *vc, const 
unsigned char *table)
 
 static u16 *fbcon_screen_pos(struct vc_data *vc, int offset)
 {
-       unsigned long p;
-       int line;
-       
-       if (vc->vc_num != fg_console || !softback_lines)
-               return (u16 *) (vc->vc_origin + offset);
-       line = offset / vc->vc_size_row;
-       if (line >= softback_lines)
-               return (u16 *) (vc->vc_origin + offset -
-                               softback_lines * vc->vc_size_row);
-       p = softback_curr + offset;
-       if (p >= softback_end)
-               p += softback_buf - softback_end;
-       return (u16 *) p;
+       return (u16 *) (vc->vc_origin + offset);
 }
 
 static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos,
@@ -2748,22 +2538,7 @@ static unsigned long fbcon_getxy(struct vc_data *vc, 
unsigned long pos,
 
                x = offset % vc->vc_cols;
                y = offset / vc->vc_cols;
-               if (vc->vc_num == fg_console)
-                       y += softback_lines;
                ret = pos + (vc->vc_cols - x) * 2;
-       } else if (vc->vc_num == fg_console && softback_lines) {
-               unsigned long offset = pos - softback_curr;
-
-               if (pos < softback_curr)
-                       offset += softback_end - softback_buf;
-               offset /= 2;
-               x = offset % vc->vc_cols;
-               y = offset / vc->vc_cols;
-               ret = pos + (vc->vc_cols - x) * 2;
-               if (ret == softback_end)
-                       ret = softback_buf;
-               if (ret == softback_in)
-                       ret = vc->vc_origin;
        } else {
                /* Should not happen */
                x = y = 0;
@@ -2791,106 +2566,11 @@ static void fbcon_invert_region(struct vc_data *vc, 
u16 * p, int cnt)
                        a = ((a) & 0x88ff) | (((a) & 0x7000) >> 4) |
                            (((a) & 0x0700) << 4);
                scr_writew(a, p++);
-               if (p == (u16 *) softback_end)
-                       p = (u16 *) softback_buf;
-               if (p == (u16 *) softback_in)
-                       p = (u16 *) vc->vc_origin;
        }
 }
 
-static void fbcon_scrolldelta(struct vc_data *vc, int lines)
-{
-       struct fb_info *info = registered_fb[con2fb_map[fg_console]];
-       struct fbcon_ops *ops = info->fbcon_par;
-       struct display *disp = &fb_display[fg_console];
-       int offset, limit, scrollback_old;
-
-       if (softback_top) {
-               if (vc->vc_num != fg_console)
-                       return;
-               if (vc->vc_mode != KD_TEXT || !lines)
-                       return;
-               if (logo_shown >= 0) {
-                       struct vc_data *conp2 = vc_cons[logo_shown].d;
-
-                       if (conp2->vc_top == logo_lines
-                           && conp2->vc_bottom == conp2->vc_rows)
-                               conp2->vc_top = 0;
-                       if (logo_shown == vc->vc_num) {
-                               unsigned long p, q;
-                               int i;
-
-                               p = softback_in;
-                               q = vc->vc_origin +
-                                   logo_lines * vc->vc_size_row;
-                               for (i = 0; i < logo_lines; i++) {
-                                       if (p == softback_top)
-                                               break;
-                                       if (p == softback_buf)
-                                               p = softback_end;
-                                       p -= vc->vc_size_row;
-                                       q -= vc->vc_size_row;
-                                       scr_memcpyw((u16 *) q, (u16 *) p,
-                                                   vc->vc_size_row);
-                               }
-                               softback_in = softback_curr = p;
-                               update_region(vc, vc->vc_origin,
-                                             logo_lines * vc->vc_cols);
-                       }
-                       logo_shown = FBCON_LOGO_CANSHOW;
-               }
-               fbcon_cursor(vc, CM_ERASE | CM_SOFTBACK);
-               fbcon_redraw_softback(vc, disp, lines);
-               fbcon_cursor(vc, CM_DRAW | CM_SOFTBACK);
-               return;
-       }
-
-       if (!scrollback_phys_max)
-               return;
-
-       scrollback_old = scrollback_current;
-       scrollback_current -= lines;
-       if (scrollback_current < 0)
-               scrollback_current = 0;
-       else if (scrollback_current > scrollback_max)
-               scrollback_current = scrollback_max;
-       if (scrollback_current == scrollback_old)
-               return;
-
-       if (fbcon_is_inactive(vc, info))
-               return;
-
-       fbcon_cursor(vc, CM_ERASE);
-
-       offset = disp->yscroll - scrollback_current;
-       limit = disp->vrows;
-       switch (disp->scrollmode) {
-       case SCROLL_WRAP_MOVE:
-               info->var.vmode |= FB_VMODE_YWRAP;
-               break;
-       case SCROLL_PAN_MOVE:
-       case SCROLL_PAN_REDRAW:
-               limit -= vc->vc_rows;
-               info->var.vmode &= ~FB_VMODE_YWRAP;
-               break;
-       }
-       if (offset < 0)
-               offset += limit;
-       else if (offset >= limit)
-               offset -= limit;
-
-       ops->var.xoffset = 0;
-       ops->var.yoffset = offset * vc->vc_font.height;
-       ops->update_start(info);
-
-       if (!scrollback_current)
-               fbcon_cursor(vc, CM_DRAW);
-}
-
 static int fbcon_set_origin(struct vc_data *vc)
 {
-       if (softback_lines)
-               fbcon_scrolldelta(vc, softback_lines);
        return 0;
 }
 
@@ -2954,8 +2634,6 @@ static void fbcon_modechanged(struct fb_info *info)
 
                fbcon_set_palette(vc, color_table);
                update_screen(vc);
-               if (softback_buf)
-                       fbcon_update_softback(vc);
        }
 }
 
@@ -3375,7 +3053,6 @@ static const struct consw fb_con = {
        .con_font_default       = fbcon_set_def_font,
        .con_font_copy          = fbcon_copy_font,
        .con_set_palette        = fbcon_set_palette,
-       .con_scrolldelta        = fbcon_scrolldelta,
        .con_set_origin         = fbcon_set_origin,
        .con_invert_region      = fbcon_invert_region,
        .con_screen_pos         = fbcon_screen_pos,
@@ -3584,9 +3261,6 @@ static void fbcon_exit(void)
        if (fbcon_has_exited)
                return;
 
-       kfree((void *)softback_buf);
-       softback_buf = 0UL;
-
        for (i = 0; i < FB_MAX; i++) {
                int pending = 0;
 
diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h
index 7aaa4eabbba0..5ebdccd070eb 100644
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -62,7 +62,7 @@ struct fbcon_ops {
        void (*clear_margins)(struct vc_data *vc, struct fb_info *info,
                              int bottom_only);
        void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode,
-                      int softback_lines, int fg, int bg);
+                      int fg, int bg);
        int  (*update_start)(struct fb_info *info);
        int  (*rotate_font)(struct fb_info *info, struct vc_data *vc);
        struct fb_var_screeninfo var;  /* copy of the current fb_var_screeninfo 
*/
diff --git a/drivers/video/console/fbcon_ccw.c 
b/drivers/video/console/fbcon_ccw.c
index 34da8bba9273..586702752005 100644
--- a/drivers/video/console/fbcon_ccw.c
+++ b/drivers/video/console/fbcon_ccw.c
@@ -219,7 +219,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct 
fb_info *info,
 }
 
 static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-                      int softback_lines, int fg, int bg)
+                      int fg, int bg)
 {
        struct fb_cursor cursor;
        struct fbcon_ops *ops = info->fbcon_par;
@@ -236,15 +236,6 @@ static void ccw_cursor(struct vc_data *vc, struct fb_info 
*info, int mode,
 
        cursor.set = 0;
 
-       if (softback_lines) {
-               if (y + softback_lines >= vc->vc_rows) {
-                       mode = CM_ERASE;
-                       ops->cursor_flash = 0;
-                       return;
-               } else
-                       y += softback_lines;
-       }
-
        c = scr_readw((u16 *) vc->vc_pos);
        attribute = get_attribute(info, c);
        src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c
index 0b552b3fc22a..f5a1134049f8 100644
--- a/drivers/video/console/fbcon_cw.c
+++ b/drivers/video/console/fbcon_cw.c
@@ -202,7 +202,7 @@ static void cw_clear_margins(struct vc_data *vc, struct 
fb_info *info,
 }
 
 static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-                     int softback_lines, int fg, int bg)
+                     int fg, int bg)
 {
        struct fb_cursor cursor;
        struct fbcon_ops *ops = info->fbcon_par;
@@ -219,15 +219,6 @@ static void cw_cursor(struct vc_data *vc, struct fb_info 
*info, int mode,
 
        cursor.set = 0;
 
-       if (softback_lines) {
-               if (y + softback_lines >= vc->vc_rows) {
-                       mode = CM_ERASE;
-                       ops->cursor_flash = 0;
-                       return;
-               } else
-                       y += softback_lines;
-       }
-
        c = scr_readw((u16 *) vc->vc_pos);
        attribute = get_attribute(info, c);
        src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c
index 7f62efe2da52..cf8dac9ca2bb 100644
--- a/drivers/video/console/fbcon_ud.c
+++ b/drivers/video/console/fbcon_ud.c
@@ -249,7 +249,7 @@ static void ud_clear_margins(struct vc_data *vc, struct 
fb_info *info,
 }
 
 static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-                     int softback_lines, int fg, int bg)
+                     int fg, int bg)
 {
        struct fb_cursor cursor;
        struct fbcon_ops *ops = info->fbcon_par;
@@ -267,15 +267,6 @@ static void ud_cursor(struct vc_data *vc, struct fb_info 
*info, int mode,
 
        cursor.set = 0;
 
-       if (softback_lines) {
-               if (y + softback_lines >= vc->vc_rows) {
-                       mode = CM_ERASE;
-                       ops->cursor_flash = 0;
-                       return;
-               } else
-                       y += softback_lines;
-       }
-
        c = scr_readw((u16 *) vc->vc_pos);
        attribute = get_attribute(info, c);
        src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.height));
diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c
index 15e8e1a89c45..3c0b242dba5f 100644
--- a/drivers/video/console/tileblit.c
+++ b/drivers/video/console/tileblit.c
@@ -80,7 +80,7 @@ static void tile_clear_margins(struct vc_data *vc, struct 
fb_info *info,
 }
 
 static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-                       int softback_lines, int fg, int bg)
+                       int fg, int bg)
 {
        struct fb_tilecursor cursor;
        int use_sw = (vc->vc_cursor_type & 0x10);
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index d45ba7317b22..b38ee2354cbf 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -179,157 +179,6 @@ static inline void vga_set_mem_top(struct vc_data *c)
        write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2);
 }
 
-#ifdef CONFIG_VGACON_SOFT_SCROLLBACK
-/* software scrollback */
-static void *vgacon_scrollback;
-static int vgacon_scrollback_tail;
-static int vgacon_scrollback_size;
-static int vgacon_scrollback_rows;
-static int vgacon_scrollback_cnt;
-static int vgacon_scrollback_cur;
-static int vgacon_scrollback_save;
-static int vgacon_scrollback_restore;
-
-static void vgacon_scrollback_init(int pitch)
-{
-       int rows = CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024/pitch;
-
-       if (vgacon_scrollback) {
-               vgacon_scrollback_cnt  = 0;
-               vgacon_scrollback_tail = 0;
-               vgacon_scrollback_cur  = 0;
-               vgacon_scrollback_rows = rows - 1;
-               vgacon_scrollback_size = rows * pitch;
-       }
-}
-
-static void vgacon_scrollback_startup(void)
-{
-       vgacon_scrollback = kcalloc(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, 
GFP_NOWAIT);
-       vgacon_scrollback_init(vga_video_num_columns * 2);
-}
-
-static void vgacon_scrollback_update(struct vc_data *c, int t, int count)
-{
-       void *p;
-
-       if (!vgacon_scrollback_size || c->vc_num != fg_console)
-               return;
-
-       p = (void *) (c->vc_origin + t * c->vc_size_row);
-
-       while (count--) {
-               if ((vgacon_scrollback_tail + c->vc_size_row) >
-                   vgacon_scrollback_size)
-                       vgacon_scrollback_tail = 0;
-
-               scr_memcpyw(vgacon_scrollback + vgacon_scrollback_tail,
-                           p, c->vc_size_row);
-               vgacon_scrollback_cnt++;
-               p += c->vc_size_row;
-               vgacon_scrollback_tail += c->vc_size_row;
-
-               if (vgacon_scrollback_tail >= vgacon_scrollback_size)
-                       vgacon_scrollback_tail = 0;
-
-               if (vgacon_scrollback_cnt > vgacon_scrollback_rows)
-                       vgacon_scrollback_cnt = vgacon_scrollback_rows;
-
-               vgacon_scrollback_cur = vgacon_scrollback_cnt;
-       }
-}
-
-static void vgacon_restore_screen(struct vc_data *c)
-{
-       vgacon_scrollback_save = 0;
-
-       if (!vga_is_gfx && !vgacon_scrollback_restore) {
-               scr_memcpyw((u16 *) c->vc_origin, (u16 *) c->vc_screenbuf,
-                           c->vc_screenbuf_size > vga_vram_size ?
-                           vga_vram_size : c->vc_screenbuf_size);
-               vgacon_scrollback_restore = 1;
-               vgacon_scrollback_cur = vgacon_scrollback_cnt;
-       }
-}
-
-static void vgacon_scrolldelta(struct vc_data *c, int lines)
-{
-       int start, end, count, soff;
-
-       if (!lines) {
-               c->vc_visible_origin = c->vc_origin;
-               vga_set_mem_top(c);
-               return;
-       }
-
-       if (!vgacon_scrollback)
-               return;
-
-       if (!vgacon_scrollback_save) {
-               vgacon_cursor(c, CM_ERASE);
-               vgacon_save_screen(c);
-               vgacon_scrollback_save = 1;
-       }
-
-       vgacon_scrollback_restore = 0;
-       start = vgacon_scrollback_cur + lines;
-       end = start + abs(lines);
-
-       if (start < 0)
-               start = 0;
-
-       if (start > vgacon_scrollback_cnt)
-               start = vgacon_scrollback_cnt;
-
-       if (end < 0)
-               end = 0;
-
-       if (end > vgacon_scrollback_cnt)
-               end = vgacon_scrollback_cnt;
-
-       vgacon_scrollback_cur = start;
-       count = end - start;
-       soff = vgacon_scrollback_tail - ((vgacon_scrollback_cnt - end) *
-                                        c->vc_size_row);
-       soff -= count * c->vc_size_row;
-
-       if (soff < 0)
-               soff += vgacon_scrollback_size;
-
-       count = vgacon_scrollback_cnt - start;
-
-       if (count > c->vc_rows)
-               count = c->vc_rows;
-
-       if (count) {
-               int copysize;
-
-               int diff = c->vc_rows - count;
-               void *d = (void *) c->vc_origin;
-               void *s = (void *) c->vc_screenbuf;
-
-               count *= c->vc_size_row;
-               /* how much memory to end of buffer left? */
-               copysize = min(count, vgacon_scrollback_size - soff);
-               scr_memcpyw(d, vgacon_scrollback + soff, copysize);
-               d += copysize;
-               count -= copysize;
-
-               if (count) {
-                       scr_memcpyw(d, vgacon_scrollback, count);
-                       d += count;
-               }
-
-               if (diff)
-                       scr_memcpyw(d, s, diff * c->vc_size_row);
-       } else
-               vgacon_cursor(c, CM_MOVE);
-}
-#else
-#define vgacon_scrollback_startup(...) do { } while (0)
-#define vgacon_scrollback_init(...)    do { } while (0)
-#define vgacon_scrollback_update(...)  do { } while (0)
-
 static void vgacon_restore_screen(struct vc_data *c)
 {
        if (c->vc_origin != c->vc_visible_origin)
@@ -365,7 +214,6 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines)
        }
        vga_set_mem_top(c);
 }
-#endif /* CONFIG_VGACON_SOFT_SCROLLBACK */
 
 static const char *vgacon_startup(void)
 {
@@ -562,10 +410,7 @@ static const char *vgacon_startup(void)
        vgacon_xres = screen_info.orig_video_cols * VGA_FONTWIDTH;
        vgacon_yres = vga_scan_lines;
 
-       if (!vga_init_done) {
-               vgacon_scrollback_startup();
-               vga_init_done = 1;
-       }
+       vga_init_done = 1;
 
        return display_desc;
 }
@@ -861,7 +706,6 @@ static int vgacon_switch(struct vc_data *c)
                        vgacon_doresize(c, c->vc_cols, c->vc_rows);
        }
 
-       vgacon_scrollback_init(c->vc_size_row);
        return 0;               /* Redrawing not needed */
 }
 
@@ -1391,7 +1235,6 @@ static int vgacon_scroll(struct vc_data *c, int t, int b, 
int dir,
        oldo = c->vc_origin;
        delta = lines * c->vc_size_row;
        if (dir == SM_UP) {
-               vgacon_scrollback_update(c, t, lines);
                if (c->vc_scr_end + delta >= vga_vram_end) {
                        scr_memcpyw((u16 *) vga_vram_base,
                                    (u16 *) (oldo + delta),
diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c
index 5f0690c8fc93..ee6957a799bb 100644
--- a/drivers/video/fbdev/vga16fb.c
+++ b/drivers/video/fbdev/vga16fb.c
@@ -1122,7 +1122,7 @@ static void vga_8planes_imageblit(struct fb_info *info, 
const struct fb_image *i
         char oldop = setop(0);
         char oldsr = setsr(0);
         char oldmask = selectmask();
-        const char *cdat = image->data;
+       const unsigned char *cdat = image->data;
        u32 dx = image->dx;
         char __iomem *where;
         int y;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 6db46daeed16..981091bd6c3c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2151,7 +2151,8 @@ static noinline int search_ioctl(struct inode *inode,
        key.offset = sk->min_offset;
 
        while (1) {
-               ret = fault_in_pages_writeable(ubuf, *buf_size - sk_offset);
+               ret = fault_in_pages_writeable(ubuf + sk_offset,
+                                              *buf_size - sk_offset);
                if (ret)
                        break;
 
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 714457bb1440..4e2f18c26535 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6527,7 +6527,12 @@ int nfs4_lock_delegation_recall(struct file_lock *fl, 
struct nfs4_state *state,
        err = nfs4_set_lock_state(state, fl);
        if (err != 0)
                return err;
-       err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW);
+       do {
+               err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW);
+               if (err != -NFS4ERR_DELAY)
+                       break;
+               ssleep(1);
+       } while (err == -NFS4ERR_DELAY);
        return nfs4_handle_delegation_recall_error(server, state, stateid, fl, 
err);
 }
 
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 70da4113c2ba..7b9dd76403bf 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -520,8 +520,8 @@ xfs_attr_shortform_create(xfs_da_args_t *args)
                ASSERT(ifp->if_flags & XFS_IFINLINE);
        }
        xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK);
-       hdr = (xfs_attr_sf_hdr_t *)ifp->if_u1.if_data;
-       hdr->count = 0;
+       hdr = (struct xfs_attr_sf_hdr *)ifp->if_u1.if_data;
+       memset(hdr, 0, sizeof(*hdr));
        hdr->totsize = cpu_to_be16(sizeof(*hdr));
        xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA);
 }
diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h
index a3c3ecd59f08..7a43afd27365 100644
--- a/include/linux/i2c-algo-pca.h
+++ b/include/linux/i2c-algo-pca.h
@@ -52,6 +52,20 @@
 #define I2C_PCA_CON_SI         0x08 /* Serial Interrupt */
 #define I2C_PCA_CON_CR         0x07 /* Clock Rate (MASK) */
 
+/**
+ * struct pca_i2c_bus_settings - The configured PCA i2c bus settings
+ * @mode: Configured i2c bus mode
+ * @tlow: Configured SCL LOW period
+ * @thi: Configured SCL HIGH period
+ * @clock_freq: The configured clock frequency
+ */
+struct pca_i2c_bus_settings {
+       int mode;
+       int tlow;
+       int thi;
+       int clock_freq;
+};
+
 struct i2c_algo_pca_data {
        void                            *data;  /* private low level data */
        void (*write_byte)              (void *data, int reg, int val);
@@ -63,6 +77,7 @@ struct i2c_algo_pca_data {
         * For PCA9665, use the frequency you want here. */
        unsigned int                    i2c_clock;
        unsigned int                    chip;
+       struct pca_i2c_bus_settings             bus_settings;
 };
 
 int i2c_pca_add_bus(struct i2c_adapter *);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index ddbd9c8d3df6..9dd98dcdb080 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -99,6 +99,41 @@ enum usb_interface_condition {
        USB_INTERFACE_UNBINDING,
 };
 
+int __must_check
+usb_find_common_endpoints(struct usb_host_interface *alt,
+               struct usb_endpoint_descriptor **bulk_in,
+               struct usb_endpoint_descriptor **bulk_out,
+               struct usb_endpoint_descriptor **int_in,
+               struct usb_endpoint_descriptor **int_out);
+
+static inline int __must_check
+usb_find_bulk_in_endpoint(struct usb_host_interface *alt,
+               struct usb_endpoint_descriptor **bulk_in)
+{
+       return usb_find_common_endpoints(alt, bulk_in, NULL, NULL, NULL);
+}
+
+static inline int __must_check
+usb_find_bulk_out_endpoint(struct usb_host_interface *alt,
+               struct usb_endpoint_descriptor **bulk_out)
+{
+       return usb_find_common_endpoints(alt, NULL, bulk_out, NULL, NULL);
+}
+
+static inline int __must_check
+usb_find_int_in_endpoint(struct usb_host_interface *alt,
+               struct usb_endpoint_descriptor **int_in)
+{
+       return usb_find_common_endpoints(alt, NULL, NULL, int_in, NULL);
+}
+
+static inline int __must_check
+usb_find_int_out_endpoint(struct usb_host_interface *alt,
+               struct usb_endpoint_descriptor **int_out)
+{
+       return usb_find_common_endpoints(alt, NULL, NULL, NULL, int_out);
+}
+
 /**
  * struct usb_interface - what usb device drivers talk to
  * @altsetting: array of interface structures, one for each alternate
diff --git a/include/soc/nps/common.h b/include/soc/nps/common.h
index 9b1d43d671a3..8c18dc6d3fde 100644
--- a/include/soc/nps/common.h
+++ b/include/soc/nps/common.h
@@ -45,6 +45,12 @@
 #define CTOP_INST_MOV2B_FLIP_R3_B1_B2_INST     0x5B60
 #define CTOP_INST_MOV2B_FLIP_R3_B1_B2_LIMM     0x00010422
 
+#ifndef AUX_IENABLE
+#define AUX_IENABLE                            0x40c
+#endif
+
+#define CTOP_AUX_IACK                          (0xFFFFF800 + 0x088)
+
 #ifndef __ASSEMBLY__
 
 /* In order to increase compilation test coverage */
diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c
index 46a18e72bce6..6d5ef6220afe 100644
--- a/kernel/gcov/gcc_4_7.c
+++ b/kernel/gcov/gcc_4_7.c
@@ -18,7 +18,9 @@
 #include <linux/vmalloc.h>
 #include "gcov.h"
 
-#if (__GNUC__ >= 7)
+#if (__GNUC__ >= 10)
+#define GCOV_COUNTERS                  8
+#elif (__GNUC__ >= 7)
 #define GCOV_COUNTERS                  9
 #elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)
 #define GCOV_COUNTERS                  10
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e72775024c6a..a4c423497686 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4990,9 +4990,13 @@ static int pskb_carve_inside_nonlinear(struct sk_buff 
*skb, const u32 off,
        if (skb_has_frag_list(skb))
                skb_clone_fraglist(skb);
 
-       if (k == 0) {
-               /* split line is in frag list */
-               pskb_carve_frag_list(skb, shinfo, off - pos, gfp_mask);
+       /* split line is in frag list */
+       if (k == 0 && pskb_carve_frag_list(skb, shinfo, off - pos, gfp_mask)) {
+               /* skb_frag_unref() is not needed here as shinfo->nr_frags = 0. 
*/
+               if (skb_has_frag_list(skb))
+                       kfree_skb_list(skb_shinfo(skb)->frag_list);
+               kfree(data);
+               return -ENOMEM;
        }
        skb_release_data(skb);
 
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index eafc78e063f1..185441d7a281 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -975,8 +975,8 @@ static int rpcb_dec_getaddr(struct rpc_rqst *req, struct 
xdr_stream *xdr,
        p = xdr_inline_decode(xdr, len);
        if (unlikely(p == NULL))
                goto out_fail;
-       dprintk("RPC: %5u RPCB_%s reply: %s\n", req->rq_task->tk_pid,
-                       req->rq_task->tk_msg.rpc_proc->p_name, (char *)p);
+       dprintk("RPC: %5u RPCB_%s reply: %*pE\n", req->rq_task->tk_pid,
+                       req->rq_task->tk_msg.rpc_proc->p_name, len, (char *)p);
 
        if (rpc_uaddr2sockaddr(req->rq_xprt->xprt_net, (char *)p, len,
                                sap, sizeof(address)) == 0)
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index 03c9872c31cf..73264d5f58f8 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -123,6 +123,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_init);
 void snd_hdac_device_exit(struct hdac_device *codec)
 {
        pm_runtime_put_noidle(&codec->dev);
+       /* keep balance of runtime PM child_count in parent device */
+       pm_runtime_set_suspended(&codec->dev);
        snd_hdac_bus_remove_device(codec->bus, codec);
        kfree(codec->vendor_name);
        kfree(codec->chip_name);
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 2def4ad579cc..4f8dd558af48 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -3224,6 +3224,7 @@ static int tegra_hdmi_build_pcms(struct hda_codec *codec)
 
 static int patch_tegra_hdmi(struct hda_codec *codec)
 {
+       struct hdmi_spec *spec;
        int err;
 
        err = patch_generic_hdmi(codec);
@@ -3231,6 +3232,10 @@ static int patch_tegra_hdmi(struct hda_codec *codec)
                return err;
 
        codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
+       spec = codec->spec;
+       spec->chmap.ops.chmap_cea_alloc_validate_get_type =
+               nvhdmi_chmap_cea_alloc_validate_get_type;
+       spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
 
        return 0;
 }
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
index 1802ad3f45b6..e2fab5229ec0 100644
--- a/tools/perf/tests/pmu.c
+++ b/tools/perf/tests/pmu.c
@@ -169,6 +169,7 @@ int test__pmu(int subtest __maybe_unused)
                ret = 0;
        } while (0);
 
+       perf_pmu__del_formats(&formats);
        test_format_dir_put(format);
        return ret;
 }
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 39abbf827646..5f1ba6f84f5f 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1018,6 +1018,17 @@ void perf_pmu__set_format(unsigned long *bits, long 
from, long to)
                set_bit(b, bits);
 }
 
+void perf_pmu__del_formats(struct list_head *formats)
+{
+       struct perf_pmu_format *fmt, *tmp;
+
+       list_for_each_entry_safe(fmt, tmp, formats, list) {
+               list_del(&fmt->list);
+               free(fmt->name);
+               free(fmt);
+       }
+}
+
 static int sub_non_neg(int a, int b)
 {
        if (b > a)
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 25712034c815..fed6c3b56ce7 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -71,6 +71,7 @@ int perf_pmu__new_format(struct list_head *list, char *name,
                         int config, unsigned long *bits);
 void perf_pmu__set_format(unsigned long *bits, long from, long to);
 int perf_pmu__format_parse(char *dir, struct list_head *head);
+void perf_pmu__del_formats(struct list_head *formats);
 
 struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
 
  • Linux 4.9.237 Greg Kroah-Hartman
    • Re: Linux 4.9.237 Greg Kroah-Hartman

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