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mfd : Check if the other db8500 core is in WFI

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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>
This commit is contained in:
Daniel Lezcano
2012-02-28 22:46:09 +01:00
committed by Samuel Ortiz
parent 9ab492e12d
commit 34fe6f107e
4 changed files with 23 additions and 0 deletions
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1
include/linux/mfd/db8500-prcmu.h
View File

@@ -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);

8
include/linux/mfd/dbx500-prcmu.h
View File

@@ -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())