aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
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
parent[ARM] 4729/1: VR1000: Do not add IIS device on initialisation (diff)
downloadlinux-dev-0baada2742a42390a2ebed09e07e1fab518db884.tar.xz
linux-dev-0baada2742a42390a2ebed09e07e1fab518db884.zip
[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>
Diffstat (limited to '')
-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 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;
}
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index 8fbc88470261..d486f5112569 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 8af6d9579b31..45746a995343 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,