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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-13 15:00:22 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-13 15:00:22 +0000
commit4de3a8e101150feaefa1139611a50ff37467f33e (patch)
treedaada742542518b02d7db7c5d32e715eaa5f166d /arch/arm/mach-mx5
parent294064f58953f9964e5945424b09c51800330a83 (diff)
parent099469502f62fbe0d7e4f0b83a2f22538367f734 (diff)
Merge branch 'master' into fixes
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/mm.c19
-rw-r--r--arch/arm/mach-mx5/system.c3
2 files changed, 18 insertions, 4 deletions
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index df4a508f240a..bc17dfea3817 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -13,6 +13,7 @@
#include <linux/mm.h>
#include <linux/init.h>
+#include <linux/clk.h>
#include <asm/mach/map.h>
@@ -21,10 +22,26 @@
#include <mach/devices-common.h>
#include <mach/iomux-v3.h>
+static struct clk *gpc_dvfs_clk;
+
static void imx5_idle(void)
{
- if (!need_resched())
+ if (!need_resched()) {
+ /* gpc clock is needed for SRPG */
+ if (gpc_dvfs_clk == NULL) {
+ gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
+ if (IS_ERR(gpc_dvfs_clk))
+ goto err0;
+ }
+ clk_enable(gpc_dvfs_clk);
mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+ if (tzic_enable_wake())
+ goto err1;
+ cpu_do_idle();
+err1:
+ clk_disable(gpc_dvfs_clk);
+ }
+err0:
local_irq_enable();
}
diff --git a/arch/arm/mach-mx5/system.c b/arch/arm/mach-mx5/system.c
index 144ebebc4a61..5eebfaad1226 100644
--- a/arch/arm/mach-mx5/system.c
+++ b/arch/arm/mach-mx5/system.c
@@ -55,9 +55,6 @@ void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode)
stop_mode = 1;
}
arm_srpgcr |= MXC_SRPGCR_PCR;
-
- if (tzic_enable_wake(1) != 0)
- return;
break;
case STOP_POWER_ON:
ccm_clpcr |= 0x2 << MXC_CCM_CLPCR_LPM_OFFSET;