From: "Ivan T. Ivanov" <iiva...@mm-sol.com>
Cc: Felipe Balbi <ba...@ti.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: linux-...@vger.kernel.org
Cc: linux-ker...@vger.kernel.org
Signed-off-by: Ivan T. Ivanov <iiva...@mm-sol.com>
---
drivers/usb/phy/phy-msm-usb.c | 99 ++++++++++++++++++++++-------------------
1 file changed, 52 insertions(+), 47 deletions(-)
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index 6d05085..111f454 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -45,18 +45,18 @@
#define ULPI_IO_TIMEOUT_USEC (10 * 1000)
-#define USB_PHY_3P3_VOL_MIN 3050000 /* uV */
-#define USB_PHY_3P3_VOL_MAX 3300000 /* uV */
+#define USB_PHY_3P3_VOL_MIN 3050000 /* uV */
+#define USB_PHY_3P3_VOL_MAX 3300000 /* uV */
#define USB_PHY_3P3_HPM_LOAD 50000 /* uA */
#define USB_PHY_3P3_LPM_LOAD 4000 /* uA */
-#define USB_PHY_1P8_VOL_MIN 1800000 /* uV */
-#define USB_PHY_1P8_VOL_MAX 1800000 /* uV */
+#define USB_PHY_1P8_VOL_MIN 1800000 /* uV */
+#define USB_PHY_1P8_VOL_MAX 1800000 /* uV */
#define USB_PHY_1P8_HPM_LOAD 50000 /* uA */
#define USB_PHY_1P8_LPM_LOAD 4000 /* uA */
-#define USB_PHY_VDD_DIG_VOL_MIN 1000000 /* uV */
-#define USB_PHY_VDD_DIG_VOL_MAX 1320000 /* uV */
+#define USB_PHY_VDD_DIG_VOL_MIN 1000000 /* uV */
+#define USB_PHY_VDD_DIG_VOL_MAX 1320000 /* uV */
static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init)
{
@@ -64,8 +64,8 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int
init)
if (init) {
ret = regulator_set_voltage(motg->vddcx,
- USB_PHY_VDD_DIG_VOL_MIN,
- USB_PHY_VDD_DIG_VOL_MAX);
+ USB_PHY_VDD_DIG_VOL_MIN,
+ USB_PHY_VDD_DIG_VOL_MAX);
if (ret) {
dev_err(motg->phy.dev, "Cannot set vddcx voltage\n");
return ret;
@@ -73,15 +73,17 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int
init)
ret = regulator_enable(motg->vddcx);
if (ret)
- dev_err(motg->phy.dev, "unable to enable hsusb
vddcx\n");
+ dev_err(motg->phy.dev,
+ "unable to enable hsusb vddcx\n");
} else {
ret = regulator_set_voltage(motg->vddcx, 0,
- USB_PHY_VDD_DIG_VOL_MAX);
+ USB_PHY_VDD_DIG_VOL_MAX);
if (ret)
dev_err(motg->phy.dev, "Cannot set vddcx voltage\n");
ret = regulator_disable(motg->vddcx);
if (ret)
- dev_err(motg->phy.dev, "unable to disable hsusb
vddcx\n");
+ dev_err(motg->phy.dev,
+ "unable to disable hsusb vddcx\n");
}
return ret;
@@ -93,26 +95,28 @@ static int msm_hsusb_ldo_init(struct msm_otg *motg, int
init)
if (init) {
rc = regulator_set_voltage(motg->v3p3, USB_PHY_3P3_VOL_MIN,
- USB_PHY_3P3_VOL_MAX);
+ USB_PHY_3P3_VOL_MAX);
if (rc) {
dev_err(motg->phy.dev, "Cannot set v3p3 voltage\n");
return rc;
}
rc = regulator_enable(motg->v3p3);
if (rc) {
- dev_err(motg->phy.dev, "unable to enable the hsusb
3p3\n");
+ dev_err(motg->phy.dev,
+ "unable to enable the hsusb 3p3\n");
return rc;
}
rc = regulator_set_voltage(motg->v1p8, USB_PHY_1P8_VOL_MIN,
- USB_PHY_1P8_VOL_MAX);
+ USB_PHY_1P8_VOL_MAX);
if (rc) {
dev_err(motg->phy.dev, "Cannot set v1p8 voltage\n");
goto disable_3p3;
}
rc = regulator_enable(motg->v1p8);
if (rc) {
- dev_err(motg->phy.dev, "unable to enable the hsusb
1p8\n");
+ dev_err(motg->phy.dev,
+ "unable to enable the hsusb 1p8\n");
goto disable_3p3;
}
@@ -156,26 +160,26 @@ static int msm_hsusb_ldo_set_mode(struct msm_otg *motg,
int on)
if (on) {
ret = regulator_set_optimum_mode(motg->v1p8,
- USB_PHY_1P8_HPM_LOAD);
+ USB_PHY_1P8_HPM_LOAD);
if (ret < 0) {
pr_err("Could not set HPM for v1p8\n");
return ret;
}
ret = regulator_set_optimum_mode(motg->v3p3,
- USB_PHY_3P3_HPM_LOAD);
+ USB_PHY_3P3_HPM_LOAD);
if (ret < 0) {
pr_err("Could not set HPM for v3p3\n");
regulator_set_optimum_mode(motg->v1p8,
- USB_PHY_1P8_LPM_LOAD);
+ USB_PHY_1P8_LPM_LOAD);
return ret;
}
} else {
ret = regulator_set_optimum_mode(motg->v1p8,
- USB_PHY_1P8_LPM_LOAD);
+ USB_PHY_1P8_LPM_LOAD);
if (ret < 0)
pr_err("Could not set LPM for v1p8\n");
ret = regulator_set_optimum_mode(motg->v3p3,
- USB_PHY_3P3_LPM_LOAD);
+ USB_PHY_3P3_LPM_LOAD);
if (ret < 0)
pr_err("Could not set LPM for v3p3\n");
}
@@ -190,8 +194,7 @@ static int ulpi_read(struct usb_phy *phy, u32 reg)
int cnt = 0;
/* initiate read operation */
- writel(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg),
- USB_ULPI_VIEWPORT);
+ writel(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg), USB_ULPI_VIEWPORT);
/* wait for completion */
while (cnt < ULPI_IO_TIMEOUT_USEC) {
@@ -216,8 +219,7 @@ static int ulpi_write(struct usb_phy *phy, u32 val, u32 reg)
/* initiate write operation */
writel(ULPI_RUN | ULPI_WRITE |
- ULPI_ADDR(reg) | ULPI_DATA(val),
- USB_ULPI_VIEWPORT);
+ ULPI_ADDR(reg) | ULPI_DATA(val), USB_ULPI_VIEWPORT);
/* wait for completion */
while (cnt < ULPI_IO_TIMEOUT_USEC) {
@@ -249,7 +251,7 @@ static void ulpi_init(struct msm_otg *motg)
while (seq[0] >= 0) {
dev_vdbg(motg->phy.dev, "ulpi: write 0x%02x to 0x%02x\n",
- seq[0], seq[1]);
+ seq[0], seq[1]);
ulpi_write(&motg->phy, seq[0], seq[1]);
seq += 2;
}
@@ -277,7 +279,7 @@ static int msm_otg_phy_reset(struct msm_otg *motg)
for (retries = 3; retries > 0; retries--) {
ret = ulpi_write(&motg->phy, ULPI_FUNC_CTRL_SUSPENDM,
- ULPI_CLR(ULPI_FUNC_CTRL));
+ ULPI_CLR(ULPI_FUNC_CTRL));
if (!ret)
break;
ret = pdata->phy_clk_reset(motg->phy_reset_clk);
@@ -429,7 +431,7 @@ static int msm_otg_suspend(struct msm_otg *motg)
writel(readl(USB_USBCMD) | ASYNC_INTR_CTRL | ULPI_STP_CTRL, USB_USBCMD);
if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY &&
- motg->pdata->otg_control == OTG_PMIC_CONTROL)
+ motg->pdata->otg_control == OTG_PMIC_CONTROL)
writel(readl(USB_PHY_CTRL) | PHY_RETEN, USB_PHY_CTRL);
clk_disable_unprepare(motg->pclk);
@@ -441,7 +443,7 @@ static int msm_otg_suspend(struct msm_otg *motg)
clk_disable_unprepare(motg->pclk_src);
if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY &&
- motg->pdata->otg_control == OTG_PMIC_CONTROL) {
+ motg->pdata->otg_control == OTG_PMIC_CONTROL) {
msm_hsusb_ldo_set_mode(motg, 0);
msm_hsusb_config_vddcx(motg, 0);
}
@@ -478,7 +480,7 @@ static int msm_otg_resume(struct msm_otg *motg)
clk_prepare_enable(motg->core_clk);
if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY &&
- motg->pdata->otg_control == OTG_PMIC_CONTROL) {
+ motg->pdata->otg_control == OTG_PMIC_CONTROL) {
msm_hsusb_ldo_set_mode(motg, 1);
msm_hsusb_config_vddcx(motg, 1);
writel(readl(USB_PHY_CTRL) & ~PHY_RETEN, USB_PHY_CTRL);
@@ -510,7 +512,8 @@ static int msm_otg_resume(struct msm_otg *motg)
* PHY. USB state can not be restored. Re-insertion
* of USB cable is the only way to get USB working.
*/
- dev_err(phy->dev, "Unable to resume USB. Re-plugin the
cable\n");
+ dev_err(phy->dev,
+ "Unable to resume USB. Re-plugin the cable\n");
msm_otg_reset(phy);
}
@@ -674,7 +677,7 @@ static void msm_otg_start_peripheral(struct usb_phy *phy,
int on)
}
static int msm_otg_set_peripheral(struct usb_otg *otg,
- struct usb_gadget *gadget)
+ struct usb_gadget *gadget)
{
struct msm_otg *motg = container_of(otg->phy, struct msm_otg, phy);
@@ -948,10 +951,10 @@ static void msm_chg_block_off(struct msm_otg *motg)
ulpi_write(phy, func_ctrl, ULPI_FUNC_CTRL);
}
-#define MSM_CHG_DCD_POLL_TIME (100 * HZ/1000) /* 100 msec */
-#define MSM_CHG_DCD_MAX_RETRIES 6 /* Tdcd_tmout = 6 * 100 msec
*/
-#define MSM_CHG_PRIMARY_DET_TIME (40 * HZ/1000) /* TVDPSRC_ON */
-#define MSM_CHG_SECONDARY_DET_TIME (40 * HZ/1000) /* TVDMSRC_ON */
+#define MSM_CHG_DCD_POLL_TIME (100 * HZ/1000) /* 100 msec */
+#define MSM_CHG_DCD_MAX_RETRIES 6 /* Tdcd_tmout = 6 * 100
msec */
+#define MSM_CHG_PRIMARY_DET_TIME (40 * HZ/1000) /* TVDPSRC_ON */
+#define MSM_CHG_SECONDARY_DET_TIME (40 * HZ/1000) /* TVDMSRC_ON */
static void msm_chg_detect_work(struct work_struct *w)
{
struct msm_otg *motg = container_of(w, struct msm_otg, chg_work.work);
@@ -1094,20 +1097,20 @@ static void msm_otg_sm_work(struct work_struct *w)
switch (motg->chg_type) {
case USB_DCP_CHARGER:
msm_otg_notify_charger(motg,
- IDEV_CHG_MAX);
+ IDEV_CHG_MAX);
break;
case USB_CDP_CHARGER:
msm_otg_notify_charger(motg,
- IDEV_CHG_MAX);
+ IDEV_CHG_MAX);
msm_otg_start_peripheral(otg->phy, 1);
otg->phy->state
- = OTG_STATE_B_PERIPHERAL;
+ = OTG_STATE_B_PERIPHERAL;
break;
case USB_SDP_CHARGER:
msm_otg_notify_charger(motg, IUNIT);
msm_otg_start_peripheral(otg->phy, 1);
otg->phy->state
- = OTG_STATE_B_PERIPHERAL;
+ = OTG_STATE_B_PERIPHERAL;
break;
default:
break;
@@ -1135,7 +1138,7 @@ static void msm_otg_sm_work(struct work_struct *w)
case OTG_STATE_B_PERIPHERAL:
dev_dbg(otg->phy->dev, "OTG_STATE_B_PERIPHERAL state\n");
if (!test_bit(B_SESS_VLD, &motg->inputs) ||
- !test_bit(ID, &motg->inputs)) {
+ !test_bit(ID, &motg->inputs)) {
msm_otg_notify_charger(motg, 0);
msm_otg_start_peripheral(otg->phy, 0);
motg->chg_state = USB_CHG_STATE_UNDEFINED;
@@ -1223,7 +1226,7 @@ static int msm_otg_mode_open(struct inode *inode, struct
file *file)
}
static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
- size_t count, loff_t *ppos)
+ size_t count, loff_t *ppos)
{
struct seq_file *s = file->private_data;
struct msm_otg *motg = s->private;
@@ -1312,7 +1315,8 @@ static int msm_otg_debugfs_init(struct msm_otg *motg)
return -ENODEV;
msm_otg_dbg_mode = debugfs_create_file("mode", S_IRUGO | S_IWUSR,
- msm_otg_dbg_root, motg, &msm_otg_mode_fops);
+ msm_otg_dbg_root, motg,
+ &msm_otg_mode_fops);
if (!msm_otg_dbg_mode) {
debugfs_remove(msm_otg_dbg_root);
msm_otg_dbg_root = NULL;
@@ -1384,9 +1388,9 @@ static int __init msm_otg_probe(struct platform_device
*pdev)
* CORE CLK. For such USB cores, vote for maximum clk frequency
* on pclk source
*/
- if (motg->pdata->pclk_src_name) {
+ if (motg->pdata->pclk_src_name) {
motg->pclk_src = devm_clk_get(&pdev->dev,
- motg->pdata->pclk_src_name);
+ motg->pdata->pclk_src_name);
if (IS_ERR(motg->pclk_src))
return PTR_ERR(motg->pclk_src);
clk_set_rate(motg->pclk_src, INT_MAX);
@@ -1475,7 +1479,7 @@ static int __init msm_otg_probe(struct platform_device
*pdev)
INIT_WORK(&motg->sm_work, msm_otg_sm_work);
INIT_DELAYED_WORK(&motg->chg_work, msm_chg_detect_work);
ret = devm_request_irq(&pdev->dev, motg->irq, msm_otg_irq, IRQF_SHARED,
- "msm_otg", motg);
+ "msm_otg", motg);
if (ret) {
dev_err(&pdev->dev, "request irq failed\n");
goto disable_clks;
@@ -1500,10 +1504,11 @@ static int __init msm_otg_probe(struct platform_device
*pdev)
device_init_wakeup(&pdev->dev, 1);
if (motg->pdata->mode == USB_OTG &&
- motg->pdata->otg_control == OTG_USER_CONTROL) {
+ motg->pdata->otg_control == OTG_USER_CONTROL) {
ret = msm_otg_debugfs_init(motg);
if (ret)
- dev_dbg(&pdev->dev, "Can not create mode change
file\n");
+ dev_dbg(&pdev->dev,
+ "Can not create mode change file\n");
}
pm_runtime_set_active(&pdev->dev);
--
1.7.9.5
--
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