diff options
| author | Haojian Zhuang <haojian.zhuang@marvell.com> | 2010-02-03 10:01:18 -0500 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-03-02 07:40:57 +0800 |
| commit | df0c382436df5bdd74030baafa294b75c231ec8c (patch) | |
| tree | dbcf772218fcc1dde83ebb08395f1d1fa6326e51 /arch/arm/mach-mmp/mmp2.c | |
| parent | ce0ac4235972cc2533e4e2095396208b59117c57 (diff) | |
| download | linux-df0c382436df5bdd74030baafa294b75c231ec8c.tar.bz2 | |
[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 <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/mach-mmp/mmp2.c')
| -rw-r--r-- | arch/arm/mach-mmp/mmp2.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c index 0f1c441cc898..72eb9daeea99 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; |