From 9ab492e12d588af7b05892c3744e8bdc2eace6d0 Mon Sep 17 00:00:00 2001 From: Daniel Lezcano Date: Tue, 28 Feb 2012 22:46:08 +0100 Subject: 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 Signed-off-by: Samuel Ortiz --- drivers/mfd/db8500-prcmu.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers') diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 97341aa4025..4e27db841fa 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -883,6 +883,26 @@ bool db8500_prcmu_gic_pending_irq(void) return false; } +/* + * 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. -- cgit v1.2.3