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Samsung mach/soc changes for v4.17, part two 

1. Fix coupled CPU idle freeze on Exynos4210.
 2. Simplify hot-path in coupled CPU idle.
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Merge tag 'samsung-soc-4.17-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/soc

Pull "Samsung mach/soc changes for v4.17, part two" from Krzysztof Kozłowski:

1. Fix coupled CPU idle freeze on Exynos4210.
2. Simplify hot-path in coupled CPU idle.

* tag 'samsung-soc-4.17-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: EXYNOS: Simplify code in coupled CPU idle hot path
  ARM: EXYNOS: Fix coupled CPU idle freeze on Exynos4210
This commit is contained in:
Arnd Bergmann 2018-03-27 15:47:58 +02:00
parent 59162c9366 ae35c48356
commit 9302849426
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/mach-exynos/pm.c
View File

@ -163,7 +163,7 @@ void exynos_enter_aftr(void)
exynos_pm_central_suspend();
if (of_machine_is_compatible("samsung,exynos4412")) {
if (soc_is_exynos4412()) {
/* Setting SEQ_OPTION register */
pmu_raw_writel(S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0,
S5P_CENTRAL_SEQ_OPTION);
@ -271,11 +271,7 @@ static int exynos_cpu0_enter_aftr(void)
goto fail;
call_firmware_op(cpu_boot, 1);
if (soc_is_exynos3250())
dsb_sev();
else
arch_send_wakeup_ipi_mask(cpumask_of(1));
dsb_sev();
}
}
fail: