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authorKevin Hilman <khilman@mvista.com>2007-05-16 19:52:05 +0400
committerTony Lindgren <tony@atomide.com>2007-08-22 11:42:50 +0400
commit5c5dccad31670faa716cbc9d8a6f918487f60a09 (patch)
tree417b60bcf822f2ec2e8b32fea1210661d0288190 /arch/arm
parentcb00e99c0abd844b884c64c6b54aa3b7d345ebb1 (diff)
downloadlinux-5c5dccad31670faa716cbc9d8a6f918487f60a09.tar.xz
ARM: OMAP: Fix 32k timer unsupported one-shot mode
Fix unsupported one-shot mode in set_mode hook. Signed-off-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/plat-omap/common.c2
-rw-r--r--arch/arm/plat-omap/timer32k.c10
2 files changed, 5 insertions, 7 deletions
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 7987aa6e95f8..4f0f9c4e938e 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -172,7 +172,7 @@ console_initcall(omap_add_serial_console);
#if defined(CONFIG_ARCH_OMAP16XX)
#define TIMER_32K_SYNCHRONIZED 0xfffbc410
#elif defined(CONFIG_ARCH_OMAP24XX)
-#define TIMER_32K_SYNCHRONIZED 0x48004010
+#define TIMER_32K_SYNCHRONIZED (OMAP24XX_32KSYNCT_BASE + 0x10)
#endif
#ifdef TIMER_32K_SYNCHRONIZED
diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c
index b0af014b0e2c..ea76f1979a3d 100644
--- a/arch/arm/plat-omap/timer32k.c
+++ b/arch/arm/plat-omap/timer32k.c
@@ -71,7 +71,7 @@ struct sys_timer omap_timer;
#if defined(CONFIG_ARCH_OMAP16XX)
#define TIMER_32K_SYNCHRONIZED 0xfffbc410
#elif defined(CONFIG_ARCH_OMAP24XX)
-#define TIMER_32K_SYNCHRONIZED 0x48004010
+#define TIMER_32K_SYNCHRONIZED (OMAP24XX_32KSYNCT_BASE + 0x10)
#else
#error OMAP 32KHz timer does not currently work on 15XX!
#endif
@@ -147,14 +147,15 @@ static inline void omap_32k_timer_ack_irq(void)
static void omap_32k_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
+ omap_32k_timer_stop();
+
switch (mode) {
- case CLOCK_EVT_MODE_ONESHOT:
case CLOCK_EVT_MODE_PERIODIC:
omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD);
break;
+ case CLOCK_EVT_MODE_ONESHOT:
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
- omap_32k_timer_stop();
break;
case CLOCK_EVT_MODE_RESUME:
break;
@@ -194,8 +195,6 @@ omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
return (unsigned long long) ticks_32k * 1000 * 5*5*5*5*5*5 >> 9;
}
-static unsigned long omap_32k_last_tick = 0;
-
/*
* Returns current time from boot in nsecs. It's OK for this to wrap
* around for now, as it's just a relative time stamp.
@@ -225,7 +224,6 @@ static __init void omap_init_32k_timer(void)
{
if (cpu_class_is_omap1())
setup_irq(INT_OS_TIMER, &omap_32k_timer_irq);
- omap_32k_last_tick = omap_32k_sync_timer_read();
#ifdef CONFIG_ARCH_OMAP2
/* REVISIT: Check 24xx TIOCP_CFG settings after idle works */