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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2014-09-25 17:59:41 +0900
committerKukjin Kim <kgene.kim@samsung.com>2014-10-21 00:06:35 +0900
commit0b7778a801fde0eacd5ee08242290273507e60a2 (patch)
tree0a599184daa140c64b47c1231ed430bfdec3986d /arch/arm/mach-exynos/firmware.c
parent134abc297e43438cdb47f30fc673680b16bc6339 (diff)
ARM: firmware: add AFTR mode support to firmware do_idle method
On some platforms (i.e. EXYNOS ones) more than one idle mode is available and we need to distinguish them in firmware do_idle method. Add mode parameter to do_idle firmware method and AFTR mode support to EXYNOS do_idle implementation. This change is a preparation for adding secure firmware support to EXYNOS cpuidle driver. This patch shouldn't cause any functionality changes. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos/firmware.c')
-rw-r--r--arch/arm/mach-exynos/firmware.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index f5e626d55951..e57b7c3039a2 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -28,9 +28,15 @@
#define EXYNOS_BOOT_ADDR 0x8
#define EXYNOS_BOOT_FLAG 0xc
-static int exynos_do_idle(void)
+static int exynos_do_idle(unsigned long mode)
{
- exynos_smc(SMC_CMD_SLEEP, 0, 0, 0);
+ switch (mode) {
+ case FW_DO_IDLE_AFTR:
+ exynos_smc(SMC_CMD_CPU0AFTR, 0, 0, 0);
+ break;
+ case FW_DO_IDLE_SLEEP:
+ exynos_smc(SMC_CMD_SLEEP, 0, 0, 0);
+ }
return 0;
}