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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:49:49 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:49:49 +1100
commitbb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241 (patch)
treefd67625ba9758dceff28dfca39127d7f07dae981 /arch/arm/mach-s3c2412/irq.c
parentlibata: Change "write_data" to "rw" for some function documentations (diff)
parentMerge branch 'pxa-plat' into devel (diff)
downloadlinux-dev-bb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241.tar.xz
linux-dev-bb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241.zip
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (176 commits) [ARM] 4795/1: S3C244X: Add armclk and setparent call [ARM] 4794/1: S3C24XX: Comonise S3C2440 and S3C2442 clock code [ARM] 4793/1: S3C24XX: Add IRQ->GPIO pin mapping function [ARM] 4792/1: S3C24XX: Remove warnings from debug-macro.S [ARM] 4791/1: S3C2412: Make fclk a parent of msysclk [ARM] 4790/1: S3C2412: Fix parent selection for msysclk. [ARM] 4789/1: S3C2412: Add missing CLKDIVN register values [ARM] 4788/1: S3C24XX: Fix paramet to s3c2410_dma_ctrl if S3C2410_DMAF_AUTOSTART used. [ARM] 4787/1: S3C24XX: s3c2410_dma_request() should return the allocated channel number [ARM] 4786/1: S3C2412: Add SPI FIFO controll constants [ARM] 4785/1: S3C24XX: Add _SHIFT definitions for S3C2410_BANKCON registers [ARM] 4784/1: S3C24XX: Fix GPIO restore glitches [ARM] 4783/1: S3C24XX: Add s3c2410_gpio_getpull() [ARM] 4782/1: S3C24XX: Define FIQ_START for any FIQ users [ARM] 4781/1: S3C24XX: DMA suspend and resume support [ARM] 4780/1: S3C2412: Allow for seperate DMA channels for TX and RX [ARM] 4779/1: S3C2412: Add s3c2412_gpio_set_sleepcfg() call [ARM] 4778/1: S3C2412: Add armclk and init from DVS state [ARM] 4777/1: S3C24XX: Ensure clk_set_rate() checks the set_rate method for the clk [ARM] 4775/1: s3c2410: fix compilation error if only s3c2442 cpu is selected ...
Diffstat (limited to 'arch/arm/mach-s3c2412/irq.c')
-rw-r--r--arch/arm/mach-s3c2412/irq.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c
index e9d0c769f5da..cc1917bf952a 100644
--- a/arch/arm/mach-s3c2412/irq.c
+++ b/arch/arm/mach-s3c2412/irq.c
@@ -33,6 +33,7 @@
#include <asm/arch/regs-irq.h>
#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-power.h>
#include <asm/plat-s3c24xx/cpu.h>
#include <asm/plat-s3c24xx/irq.h>
@@ -153,6 +154,22 @@ static struct irq_chip s3c2412_irq_cfsdi = {
.unmask = s3c2412_irq_cfsdi_unmask,
};
+static int s3c2412_irq_rtc_wake(unsigned int irqno, unsigned int state)
+{
+ unsigned long pwrcfg;
+
+ pwrcfg = __raw_readl(S3C2412_PWRCFG);
+ if (state)
+ pwrcfg &= ~S3C2412_PWRCFG_RTC_MASKIRQ;
+ else
+ pwrcfg |= S3C2412_PWRCFG_RTC_MASKIRQ;
+ __raw_writel(pwrcfg, S3C2412_PWRCFG);
+
+ return s3c_irq_chip.set_wake(irqno, state);
+}
+
+static struct irq_chip s3c2412_irq_rtc_chip;
+
static int s3c2412_irq_add(struct sys_device *sysdev)
{
unsigned int irqno;
@@ -173,6 +190,13 @@ static int s3c2412_irq_add(struct sys_device *sysdev)
set_irq_flags(irqno, IRQF_VALID);
}
+ /* change RTC IRQ's set wake method */
+
+ s3c2412_irq_rtc_chip = s3c_irq_chip;
+ s3c2412_irq_rtc_chip.set_wake = s3c2412_irq_rtc_wake;
+
+ set_irq_chip(IRQ_RTC, &s3c2412_irq_rtc_chip);
+
return 0;
}