linux-kernel - [PATCH 2/2] ARM: EXYNOS: use generic exynos cpu power control functions

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Message-Id: <1398331919-28321-3-git-send-email-leela.krishna@linaro.org>
Date:	Thu, 24 Apr 2014 15:01:59 +0530
From:	Leela Krishna Amudala <leela.krishna@...aro.org>
To:	linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:	daniel.lezcano@...aro.org, nicolas.pitre@...aro.org,
	kgene.kim@...sung.com, amit.kucheria@...aro.org
Subject: [PATCH 2/2] ARM: EXYNOS: use generic exynos cpu power control functions

Use generic exynos cpu power control functions to power up/down
and to know the status of the cpu.

Signed-off-by: Leela Krishna Amudala <leela.krishna@...aro.org>
---
 arch/arm/mach-exynos/platsmp.c |    9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 03e5e9f..e3d005b 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -107,15 +107,12 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
 	 */
 	write_pen_release(phys_cpu);
 
-	if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) {
-		__raw_writel(S5P_CORE_LOCAL_PWR_EN,
-			     S5P_ARM_CORE1_CONFIGURATION);
-
+	if (!exynos_cpu_power_state(cpu)) {
+		exynos_cpu_powerup(cpu);
 		timeout = 10;
 
 		/* wait max 10 ms until cpu1 is on */
-		while ((__raw_readl(S5P_ARM_CORE1_STATUS)
-			& S5P_CORE_LOCAL_PWR_EN) != S5P_CORE_LOCAL_PWR_EN) {
+		while (exynos_cpu_power_state(cpu) != S5P_CORE_LOCAL_PWR_EN) {
 			if (timeout-- == 0)
 				break;
 
-- 
1.7.9.5

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