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authorDaniel Lezcano <daniel.lezcano@linaro.org>2012-02-28 22:46:09 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2012-03-06 18:46:56 +0100
commit34fe6f107eab096ac2f70a51763e9978b4abbeb6 (patch)
tree481a045f80276c3a0e0d512fefe1eeabb058588d /include/linux/mfd
parent9ab492e12d588af7b05892c3744e8bdc2eace6d0 (diff)
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mfd : Check if the other db8500 core is in WFI
This patch allows to check if the other core is in WFI mode. It is the last check the idle routine has to do before entering into the retention state. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/db8500-prcmu.h1
-rw-r--r--include/linux/mfd/dbx500-prcmu.h8
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h
index 926bdb3adc0..048a534fde3 100644
--- a/include/linux/mfd/db8500-prcmu.h
+++ b/include/linux/mfd/db8500-prcmu.h
@@ -585,6 +585,7 @@ int db8500_prcmu_gic_recouple(void);
int db8500_prcmu_copy_gic_settings(void);
bool db8500_prcmu_gic_pending_irq(void);
bool db8500_prcmu_pending_irq(void);
+bool db8500_prcmu_is_cpu_in_wfi(int cpu);
void db8500_prcmu_enable_wakeups(u32 wakeups);
int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state);
int db8500_prcmu_request_clock(u8 clock, bool enable);
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 5c72c07e20e..eaa99a02178 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -305,6 +305,14 @@ static inline bool prcmu_gic_pending_irq(void)
return db8500_prcmu_gic_pending_irq();
}
+static inline bool prcmu_is_cpu_in_wfi(int cpu)
+{
+ if (cpu_is_u5500())
+ return -EINVAL;
+ else
+ return db8500_prcmu_is_cpu_in_wfi(cpu);
+}
+
static inline int prcmu_copy_gic_settings(void)
{
if (cpu_is_u5500())