Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0baada2742a42390a2ebed09e07e1fab518db884
Commit: 0baada2742a42390a2ebed09e07e1fab518db884
Parent: 8e3007a0e8a0d2f5e3139cb9fe606c2a998b9ed3
Author: Ben Dooks <[EMAIL PROTECTED]>
AuthorDate: Sun Dec 23 03:09:33 2007 +0100
Committer: Russell King <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 13:20:50 2008 +0000
[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 <[EMAIL PROTECTED]>
Signed-off-by: Russell King <[EMAIL PROTECTED]>
---
arch/arm/mach-s3c2412/irq.c | 24 ++++++++++++++++++++++++
arch/arm/plat-s3c24xx/irq.c | 2 +-
include/asm-arm/plat-s3c24xx/irq.h | 2 ++
3 files changed, 27 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c
index e9d0c76..cc1917b 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 8fbc884..d486f51 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 8af6d95..45746a9 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,
-
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