fbdev: vesafb: bind to platform-framebuffer device

x86 creates platform-framebuffer platform devices for every system
framebuffer. Use these instead of creating a dummy device.

This requires us to remove the __init annotations as hotplugging may occur
during runtime.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Link: http://lkml.kernel.org/r/1375445127-15480-7-git-send-email-dh.herrmann@gmail.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 16 insertions, 39 deletions

diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index 501b3406c6d5..bd83233ec227 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -29,7 +29,7 @@
 
 /* --------------------------------------------------------------------- */
 
-static struct fb_var_screeninfo vesafb_defined __initdata = {
+static struct fb_var_screeninfo vesafb_defined = {
         .activate       = FB_ACTIVATE_NOW,
         .height         = -1,
         .width          = -1,
@@ -40,7 +40,7 @@ static struct fb_var_screeninfo vesafb_defined __initdata = {
         .vmode          = FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo vesafb_fix __initdata = {
+static struct fb_fix_screeninfo vesafb_fix = {
         .id     = "VESA VGA",
         .type   = FB_TYPE_PACKED_PIXELS,
         .accel  = FB_ACCEL_NONE,
@@ -48,8 +48,8 @@ static struct fb_fix_screeninfo vesafb_fix __initdata = {
 
 static int   inverse    __read_mostly;
 static int   mtrr       __read_mostly;          /* disable mtrr */
-static int   vram_remap __initdata;             /* Set amount of memory to be used */
-static int   vram_total __initdata;             /* Set total amount of memory */
+static int   vram_remap;                        /* Set amount of memory to be used */
+static int   vram_total;                        /* Set total amount of memory */
 static int   pmi_setpal __read_mostly = 1;      /* pmi for palette changes ??? */
 static int   ypan       __read_mostly;          /* 0..nothing, 1..ypan, 2..ywrap */
 static void  (*pmi_start)(void) __read_mostly;
@@ -192,7 +192,7 @@ static struct fb_ops vesafb_ops = {
         .fb_imageblit   = cfb_imageblit,
 };
 
-static int __init vesafb_setup(char *options)
+static int vesafb_setup(char *options)
 {
         char *this_opt;
         
@@ -226,13 +226,18 @@ static int __init vesafb_setup(char *options)
         return 0;
 }
 
-static int __init vesafb_probe(struct platform_device *dev)
+static int vesafb_probe(struct platform_device *dev)
 {
         struct fb_info *info;
         int i, err;
         unsigned int size_vmode;
         unsigned int size_remap;
         unsigned int size_total;
+        char *option = NULL;
+
+        /* ignore error return of fb_get_options */
+        fb_get_options("vesafb", &option);
+        vesafb_setup(option);
 
         if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB)
                 return -ENODEV;
@@ -496,40 +501,12 @@ err:
 }
 
 static struct platform_driver vesafb_driver = {
-        .driver = {
-                .name   = "vesafb",
+        .driver = {
+                .name = "vesa-framebuffer",
+                .owner = THIS_MODULE,
         },
+        .probe = vesafb_probe,
 };
 
-static struct platform_device *vesafb_device;
-
-static int __init vesafb_init(void)
-{
-        int ret;
-        char *option = NULL;
-
-        /* ignore error return of fb_get_options */
-        fb_get_options("vesafb", &option);
-        vesafb_setup(option);
-
-        vesafb_device = platform_device_alloc("vesafb", 0);
-        if (!vesafb_device)
-                return -ENOMEM;
-
-        ret = platform_device_add(vesafb_device);
-        if (!ret) {
-                ret = platform_driver_probe(&vesafb_driver, vesafb_probe);
-                if (ret)
-                        platform_device_del(vesafb_device);
-        }
-
-        if (ret) {
-                platform_device_put(vesafb_device);
-                vesafb_device = NULL;
-        }
-
-        return ret;
-}
-module_init(vesafb_init);
-
+module_platform_driver(vesafb_driver);
 MODULE_LICENSE("GPL");