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authorBen Dooks <ben-linux@fluff.org>2007-12-23 03:09:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-01-28 13:20:50 +0000
commit0baada2742a42390a2ebed09e07e1fab518db884 (patch)
treef66d3dc70e4f6975df3d581d972cc1bb342dc028
parent8e3007a0e8a0d2f5e3139cb9fe606c2a998b9ed3 (diff)
[ARM] 4730/1: S3C2412: Ensure the PWRCFG has the right mode for RTC wake
Ensure that if the RTC IRQ is not selected for wake in the base configuration, then the PWRCFG has the same value set in it. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-s3c2412/irq.c24
-rw-r--r--arch/arm/plat-s3c24xx/irq.c2
-rw-r--r--include/asm-arm/plat-s3c24xx/irq.h2
3 files changed, 27 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c
index e9d0c769f5d..cc1917bf952 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;
}
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index 8fbc8847026..d486f511256 100644
--- a/arch/arm/plat-s3c24xx/irq.c
+++ b/arch/arm/plat-s3c24xx/irq.c
@@ -187,7 +187,7 @@ struct irq_chip s3c_irq_level_chip = {
.set_wake = s3c_irq_wake
};
-static struct irq_chip s3c_irq_chip = {
+struct irq_chip s3c_irq_chip = {
.name = "s3c",
.ack = s3c_irq_ack,
.mask = s3c_irq_mask,
diff --git a/include/asm-arm/plat-s3c24xx/irq.h b/include/asm-arm/plat-s3c24xx/irq.h
index 8af6d9579b3..45746a99534 100644
--- a/include/asm-arm/plat-s3c24xx/irq.h
+++ b/include/asm-arm/plat-s3c24xx/irq.h
@@ -15,7 +15,9 @@
#define EXTINT_OFF (IRQ_EINT4 - 4)
+/* these are exported for arch/arm/mach-* usage */
extern struct irq_chip s3c_irq_level_chip;
+extern struct irq_chip s3c_irq_chip;
static inline void
s3c_irqsub_mask(unsigned int irqno, unsigned int parentbit,