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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>
This commit is contained in:
David Herrmann 2013-08-02 14:05:25 +02:00 коммит произвёл H. Peter Anvin
Родитель 9a6a36d19c
Коммит 2e5155ecbb
1 изменённых файлов: 16 добавлений и 39 удалений
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55
drivers/video/vesafb.c
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@ -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");