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Fix for more theoretical than practical OOPS on first turn on of a exynos

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power domain, if there was no turn off before. Usually all power domains
 are on, so the first action is to turn off but some older bootloaders
 might behave differently.
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Merge tag 'samsung-fixes-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into fixes

Fix for more theoretical than practical OOPS on first turn on of a exynos
power domain, if there was no turn off before. Usually all power domains
are on, so the first action is to turn off but some older bootloaders
might behave differently.

* tag 'samsung-fixes-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: EXYNOS: Properly skip unitialized parent clock in power domain on
This commit is contained in:
Arnd Bergmann 2016-04-27 11:00:00 +02:00
parent 02da2d7217 a0a966b838
commit 258fc497fa
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-exynos/pm_domains.c
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@ -92,7 +92,7 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
if (IS_ERR(pd->clk[i]))
break;
if (IS_ERR(pd->clk[i]))
if (IS_ERR(pd->pclk[i]))
continue; /* Skip on first power up */
if (clk_set_parent(pd->clk[i], pd->pclk[i]))
pr_err("%s: error setting parent to clock%d\n",