ARM: EXYNOS: pm: Add support for firmware-based L2X0 resume

Signed-off-by: Tomasz Figa <t.figa@samsung.com>

diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index e46ac76..d5bac0d 100644 (file)
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -21,6 +21,7 @@
 #include <linux/clk.h>
 
 #include <asm/cacheflush.h>
+#include <asm/firmware.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/smp_scu.h>
 
@@ -273,7 +274,8 @@ static void exynos_pm_resume(void)
 {
        unsigned long tmp;
 #ifdef CONFIG_CACHE_L2X0
-       outer_resume();
+       if (call_firmware_op(l2x0_resume) < 0)
+               outer_resume();
 #endif
        /*
         * If PMU failed while entering sleep mode, WFI will be