From df0c382436df5bdd74030baafa294b75c231ec8c Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Wed, 3 Feb 2010 10:01:18 -0500 Subject: [ARM] mmp2: add handling on PMIC IRQ Since PMIC INT pin is a special pin of CPU, the status of PMIC INT pin needs to be cleared after PMIC IRQ occured. Now append the clear operation in irq chip handler. Signed-off-by: Haojian Zhuang Signed-off-by: Eric Miao --- arch/arm/mach-mmp/mmp2.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/arm/mach-mmp/mmp2.c') diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c index 0f1c441..72eb9da 100644 --- a/arch/arm/mach-mmp/mmp2.c +++ b/arch/arm/mach-mmp/mmp2.c @@ -37,6 +37,16 @@ static struct mfp_addr_map mmp2_addr_map[] __initdata = { MFP_ADDR_END, }; +void mmp2_clear_pmic_int(void) +{ + unsigned long mfpr_pmic, data; + + mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4; + data = __raw_readl(mfpr_pmic); + __raw_writel(data | (1 << 6), mfpr_pmic); + __raw_writel(data, mfpr_pmic); +} + static void __init mmp2_init_gpio(void) { int i; -- cgit v1.1