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authorKevin Hilman <khilman@mvista.com>2007-12-12 00:32:58 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-12-17 17:18:01 +0000
commit553876c802249b21267b78a9b3857d1341a3df87 (patch)
treeeefc6244d71df2ad158b381345b9837295019186 /arch
parent41a9e680717e82c745b1ead979ea008e9134ea68 (diff)
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[ARM] 4694/1: IXP4xx: Update clockevent support for shutdown and resume
Add proper support for CLOCK_EVT_MODE_RESUME and in the process fix CLOCK_EVT_MODE_SHUTDOWN so that only the enable bits are toggled for both. Signed-off-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-ixp4xx/common.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index c1271c44924..f6d66dce685 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -442,7 +442,8 @@ static int ixp4xx_set_next_event(unsigned long evt,
static void ixp4xx_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
- unsigned long opts, osrt = *IXP4XX_OSRT1 & ~IXP4XX_OST_RELOAD_MASK;
+ unsigned long opts = *IXP4XX_OSRT1 & IXP4XX_OST_RELOAD_MASK;
+ unsigned long osrt = *IXP4XX_OSRT1 & ~IXP4XX_OST_RELOAD_MASK;
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
@@ -455,12 +456,15 @@ static void ixp4xx_set_mode(enum clock_event_mode mode,
opts = IXP4XX_OST_ENABLE | IXP4XX_OST_ONE_SHOT;
break;
case CLOCK_EVT_MODE_SHUTDOWN:
+ opts &= ~IXP4XX_OST_ENABLE;
+ break;
+ case CLOCK_EVT_MODE_RESUME:
+ opts |= IXP4XX_OST_ENABLE;
+ break;
case CLOCK_EVT_MODE_UNUSED:
default:
osrt = opts = 0;
break;
- case CLOCK_EVT_MODE_RESUME:
- break;
}
*IXP4XX_OSRT1 = osrt | opts;