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imxfb: add platform specific init/exit functions 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2009-01-15 15:37:22 +01:00
parent 879fea1b48
commit c0b90a31ef
2 changed files with 17 additions and 0 deletions
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3
arch/arm/plat-mxc/include/mach/imxfb.h
View File

@ -76,6 +76,9 @@ struct imx_fb_platform_data {
u_char * fixed_screen_cpu;
dma_addr_t fixed_screen_dma;
int (*init)(struct platform_device*);
int (*exit)(struct platform_device*);
void (*lcd_power)(int);
void (*backlight_power)(int);
};

14
drivers/video/imxfb.c
View File

@ -650,6 +650,12 @@ static int __init imxfb_probe(struct platform_device *pdev)
info->fix.smem_start = fbi->screen_dma;
}
if (pdata->init) {
ret = pdata->init(fbi->pdev);
if (ret)
goto failed_platform_init;
}
/*
* This makes sure that our colour bitfield
* descriptors are correctly initialised.
@ -674,6 +680,9 @@ static int __init imxfb_probe(struct platform_device *pdev)
failed_register:
fb_dealloc_cmap(&info->cmap);
failed_cmap:
if (pdata->exit)
pdata->exit(fbi->pdev);
failed_platform_init:
if (!pdata->fixed_screen_cpu)
dma_free_writecombine(&pdev->dev,fbi->map_size,fbi->map_cpu,
fbi->map_dma);
@ -691,6 +700,7 @@ static int __init imxfb_probe(struct platform_device *pdev)
static int __devexit imxfb_remove(struct platform_device *pdev)
{
struct imx_fb_platform_data *pdata;
struct fb_info *info = platform_get_drvdata(pdev);
struct imxfb_info *fbi = info->par;
struct resource *res;
@ -701,6 +711,10 @@ static int __devexit imxfb_remove(struct platform_device *pdev)
unregister_framebuffer(info);
pdata = pdev->dev.platform_data;
if (pdata->exit)
pdata->exit(fbi->pdev);
fb_dealloc_cmap(&info->cmap);
kfree(info->pseudo_palette);
framebuffer_release(info);