diff options
| author |   Daniel Lezcano <daniel.lezcano@linaro.org> | 2012-02-28 22:46:08 +0100 |
|---|---|---|
| committer |   Samuel Ortiz <sameo@linux.intel.com> | 2012-03-06 18:46:56 +0100 |
| commit | 9ab492e12d588af7b05892c3744e8bdc2eace6d0 (patch) | |
| tree | 7b79c2d3c840239f5b0a4e717227c8adf51c69cc /drivers/mfd | |
| parent | mfd : Copy the db8500 gic setting to the prcmu (diff) | |
| download | linux-dev-9ab492e12d588af7b05892c3744e8bdc2eace6d0.tar.xz linux-dev-9ab492e12d588af7b05892c3744e8bdc2eace6d0.zip | |
mfd : Check if the db8500 prcmu has pending irq
This patch allows to check if there are some pending irqs
on the prcmu.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 97341aa4025c..4e27db841fab 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -884,6 +884,26 @@ bool db8500_prcmu_gic_pending_irq(void) } /* + * This function checks if there are pending interrupt on the + * prcmu which has been delegated to monitor the irqs with the + * db8500_prcmu_copy_gic_settings function. + */ +bool db8500_prcmu_pending_irq(void) +{ + u32 it, im; + int i; + + for (i = 0; i < PRCMU_GIC_NUMBER_REGS - 1; i++) { + it = readl(PRCM_ARMITVAL31TO0 + i * 4); + im = readl(PRCM_ARMITMSK31TO0 + i * 4); + if (it & im) + return true; /* There is a pending interrupt */ + } + + return false; +} + +/* * This function copies the gic SPI settings to the prcmu in order to * monitor them and abort/finish the retention/off sequence or state. */ |