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fbdev fixes for 4.6

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* ARM CLCD: fix regression on multiplatform kernels
 * panel-sharp-ls037v7dw01: fix possible NULL deref
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Merge tag 'fbdev-fixes-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev fixes from Tomi Valkeinen:

 - ARM CLCD: fix regression on multiplatform kernels

 - panel-sharp-ls037v7dw01: fix possible NULL deref

* tag 'fbdev-fixes-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  omapfb: panel-sharp-ls037v7dw01: fix check of gpio_to_desc() return value
  video: ARM CLCD: runtime check for Versatile
This commit is contained in:
Linus Torvalds 2016-04-21 08:27:48 -07:00
commit 90e6a6894b
2 changed files with 12 additions and 15 deletions
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15
drivers/video/fbdev/amba-clcd.c
View File

@ -440,13 +440,14 @@ static int clcdfb_register(struct clcd_fb *fb)
fb->off_ienb = CLCD_PL111_IENB;
fb->off_cntl = CLCD_PL111_CNTL;
} else {
#ifdef CONFIG_ARCH_VERSATILE
fb->off_ienb = CLCD_PL111_IENB;
fb->off_cntl = CLCD_PL111_CNTL;
#else
fb->off_ienb = CLCD_PL110_IENB;
fb->off_cntl = CLCD_PL110_CNTL;
#endif
if (of_machine_is_compatible("arm,versatile-ab") ||
of_machine_is_compatible("arm,versatile-pb")) {
fb->off_ienb = CLCD_PL111_IENB;
fb->off_cntl = CLCD_PL111_CNTL;
} else {
fb->off_ienb = CLCD_PL110_IENB;
fb->off_cntl = CLCD_PL110_CNTL;
}
}
fb->clk = clk_get(&fb->dev->dev, NULL);

12
drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c
View File

@ -200,20 +200,16 @@ static struct omap_dss_driver sharp_ls_ops = {
static int sharp_ls_get_gpio(struct device *dev, int gpio, unsigned long flags,
char *desc, struct gpio_desc **gpiod)
{
struct gpio_desc *gd;
int r;
*gpiod = NULL;
r = devm_gpio_request_one(dev, gpio, flags, desc);
if (r)
if (r) {
*gpiod = NULL;
return r == -ENOENT ? 0 : r;
}
gd = gpio_to_desc(gpio);
if (IS_ERR(gd))
return PTR_ERR(gd) == -ENOENT ? 0 : PTR_ERR(gd);
*gpiod = gpio_to_desc(gpio);
*gpiod = gd;
return 0;
}