Make use of arch_nvram_ops in device drivers so that the nvram_*
function exports can be removed.

Since they are no longer global symbols, rename the PPC32 nvram_* functions
appropriately.

Add the missing CONFIG_NVRAM test to imsttfb to avoid a build failure.

Signed-off-by: Finn Thain <fth...@telegraphics.com.au>

---
 arch/powerpc/kernel/setup_32.c             |    8 ++++----
 drivers/char/generic_nvram.c               |    4 ++--
 drivers/video/fbdev/controlfb.c            |    4 ++--
 drivers/video/fbdev/imsttfb.c              |    7 +++----
 drivers/video/fbdev/matrox/matroxfb_base.c |    2 +-
 drivers/video/fbdev/platinumfb.c           |    4 ++--
 drivers/video/fbdev/valkyriefb.c           |    4 ++--
 7 files changed, 16 insertions(+), 17 deletions(-)

Index: linux/arch/powerpc/kernel/setup_32.c
===================================================================
--- linux.orig/arch/powerpc/kernel/setup_32.c   2015-06-28 11:41:44.000000000 
+1000
+++ linux/arch/powerpc/kernel/setup_32.c        2015-06-28 11:41:46.000000000 
+1000
@@ -170,20 +170,18 @@ __setup("l3cr=", ppc_setup_l3cr);
 
 #ifdef CONFIG_GENERIC_NVRAM
 
-unsigned char nvram_read_byte(int addr)
+static unsigned char ppc_nvram_read_byte(int addr)
 {
        if (ppc_md.nvram_read_val)
                return ppc_md.nvram_read_val(addr);
        return 0xff;
 }
-EXPORT_SYMBOL(nvram_read_byte);
 
-void nvram_write_byte(unsigned char val, int addr)
+static void ppc_nvram_write_byte(unsigned char val, int addr)
 {
        if (ppc_md.nvram_write_val)
                ppc_md.nvram_write_val(addr, val);
 }
-EXPORT_SYMBOL(nvram_write_byte);
 
 static ssize_t ppc_nvram_get_size(void)
 {
@@ -200,6 +198,8 @@ static long ppc_nvram_sync(void)
 }
 
 const struct nvram_ops arch_nvram_ops = {
+       .read_byte      = ppc_nvram_read_byte,
+       .write_byte     = ppc_nvram_write_byte,
        .get_size       = ppc_nvram_get_size,
        .sync           = ppc_nvram_sync,
 };
Index: linux/drivers/char/generic_nvram.c
===================================================================
--- linux.orig/drivers/char/generic_nvram.c     2015-06-28 11:41:44.000000000 
+1000
+++ linux/drivers/char/generic_nvram.c  2015-06-28 11:41:46.000000000 +1000
@@ -64,7 +64,7 @@ static ssize_t read_nvram(struct file *f
        if (*ppos >= nvram_len)
                return 0;
        for (i = *ppos; count > 0 && i < nvram_len; ++i, ++p, --count)
-               if (__put_user(nvram_read_byte(i), p))
+               if (__put_user(arch_nvram_ops.read_byte(i), p))
                        return -EFAULT;
        *ppos = i;
        return p - buf;
@@ -84,7 +84,7 @@ static ssize_t write_nvram(struct file *
        for (i = *ppos; count > 0 && i < nvram_len; ++i, ++p, --count) {
                if (__get_user(c, p))
                        return -EFAULT;
-               nvram_write_byte(c, i);
+               arch_nvram_ops.write_byte(c, i);
        }
        *ppos = i;
        return p - buf;
Index: linux/drivers/video/fbdev/controlfb.c
===================================================================
--- linux.orig/drivers/video/fbdev/controlfb.c  2015-06-28 11:41:27.000000000 
+1000
+++ linux/drivers/video/fbdev/controlfb.c       2015-06-28 11:41:46.000000000 
+1000
@@ -415,7 +415,7 @@ static int __init init_control(struct fb
        /* Try to pick a video mode out of NVRAM if we have one. */
 #ifdef CONFIG_NVRAM
        if (default_cmode == CMODE_NVRAM) {
-               cmode = nvram_read_byte(NV_CMODE);
+               cmode = arch_nvram_ops.read_byte(NV_CMODE);
                if(cmode < CMODE_8 || cmode > CMODE_32)
                        cmode = CMODE_8;
        } else
@@ -423,7 +423,7 @@ static int __init init_control(struct fb
                cmode=default_cmode;
 #ifdef CONFIG_NVRAM
        if (default_vmode == VMODE_NVRAM) {
-               vmode = nvram_read_byte(NV_VMODE);
+               vmode = arch_nvram_ops.read_byte(NV_VMODE);
                if (vmode < 1 || vmode > VMODE_MAX ||
                    control_mac_modes[vmode - 1].m[full] < cmode) {
                        sense = read_control_sense(p);
Index: linux/drivers/video/fbdev/matrox/matroxfb_base.c
===================================================================
--- linux.orig/drivers/video/fbdev/matrox/matroxfb_base.c       2015-06-28 
11:41:41.000000000 +1000
+++ linux/drivers/video/fbdev/matrox/matroxfb_base.c    2015-06-28 
11:41:46.000000000 +1000
@@ -1888,7 +1888,7 @@ static int initMatrox2(struct matrox_fb_
                        default_vmode = VMODE_640_480_60;
 #ifdef CONFIG_NVRAM
                if (default_cmode == CMODE_NVRAM)
-                       default_cmode = nvram_read_byte(NV_CMODE);
+                       default_cmode = arch_nvram_ops.read_byte(NV_CMODE);
 #endif
                if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
                        default_cmode = CMODE_8;
Index: linux/drivers/video/fbdev/platinumfb.c
===================================================================
--- linux.orig/drivers/video/fbdev/platinumfb.c 2015-06-28 11:41:27.000000000 
+1000
+++ linux/drivers/video/fbdev/platinumfb.c      2015-06-28 11:41:46.000000000 
+1000
@@ -349,7 +349,7 @@ static int platinum_init_fb(struct fb_in
        printk(KERN_INFO "platinumfb: Monitor sense value = 0x%x, ", sense);
        if (default_vmode == VMODE_NVRAM) {
 #ifdef CONFIG_NVRAM
-               default_vmode = nvram_read_byte(NV_VMODE);
+               default_vmode = arch_nvram_ops.read_byte(NV_VMODE);
                if (default_vmode <= 0 || default_vmode > VMODE_MAX ||
                    !platinum_reg_init[default_vmode-1])
 #endif
@@ -362,7 +362,7 @@ static int platinum_init_fb(struct fb_in
                default_vmode = VMODE_640_480_60;
 #ifdef CONFIG_NVRAM
        if (default_cmode == CMODE_NVRAM)
-               default_cmode = nvram_read_byte(NV_CMODE);
+               default_cmode = arch_nvram_ops.read_byte(NV_CMODE);
 #endif
        if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
                default_cmode = CMODE_8;
Index: linux/drivers/video/fbdev/valkyriefb.c
===================================================================
--- linux.orig/drivers/video/fbdev/valkyriefb.c 2015-06-28 11:41:27.000000000 
+1000
+++ linux/drivers/video/fbdev/valkyriefb.c      2015-06-28 11:41:46.000000000 
+1000
@@ -287,7 +287,7 @@ static void __init valkyrie_choose_mode(
        /* Try to pick a video mode out of NVRAM if we have one. */
 #if !defined(CONFIG_MAC) && defined(CONFIG_NVRAM)
        if (default_vmode == VMODE_NVRAM) {
-               default_vmode = nvram_read_byte(NV_VMODE);
+               default_vmode = arch_nvram_ops.read_byte(NV_VMODE);
                if (default_vmode <= 0
                 || default_vmode > VMODE_MAX
                 || !valkyrie_reg_init[default_vmode - 1])
@@ -300,7 +300,7 @@ static void __init valkyrie_choose_mode(
                default_vmode = VMODE_640_480_67;
 #if !defined(CONFIG_MAC) && defined(CONFIG_NVRAM)
        if (default_cmode == CMODE_NVRAM)
-               default_cmode = nvram_read_byte(NV_CMODE);
+               default_cmode = arch_nvram_ops.read_byte(NV_CMODE);
 #endif
 
        /*
Index: linux/drivers/video/fbdev/imsttfb.c
===================================================================
--- linux.orig/drivers/video/fbdev/imsttfb.c    2015-06-28 11:41:27.000000000 
+1000
+++ linux/drivers/video/fbdev/imsttfb.c 2015-06-28 11:41:46.000000000 +1000
@@ -328,7 +328,6 @@ enum {
        TVP = 1
 };
 
-#define USE_NV_MODES           1
 #define INIT_BPP               8
 #define INIT_XRES              640
 #define INIT_YRES              480
@@ -1391,17 +1390,17 @@ static void init_imstt(struct fb_info *i
                }
        }
 
-#if USE_NV_MODES && defined(CONFIG_PPC32)
+#if defined(CONFIG_NVRAM) && defined(CONFIG_PPC32)
        {
                int vmode = init_vmode, cmode = init_cmode;
 
                if (vmode == -1) {
-                       vmode = nvram_read_byte(NV_VMODE);
+                       vmode = arch_nvram_ops.read_byte(NV_VMODE);
                        if (vmode <= 0 || vmode > VMODE_MAX)
                                vmode = VMODE_640_480_67;
                }
                if (cmode == -1) {
-                       cmode = nvram_read_byte(NV_CMODE);
+                       cmode = arch_nvram_ops.read_byte(NV_CMODE);
                        if (cmode < CMODE_8 || cmode > CMODE_32)
                                cmode = CMODE_8;
                }


_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev

Reply via email to