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authorKevin Hilman <khilman@mvista.com>2007-05-16 11:52:05 -0400
committerTony Lindgren <tony@atomide.com>2007-08-22 03:42:50 -0400
commit5c5dccad31670faa716cbc9d8a6f918487f60a09 (patch)
tree417b60bcf822f2ec2e8b32fea1210661d0288190 /arch/arm
parentcb00e99c0abd844b884c64c6b54aa3b7d345ebb1 (diff)
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);
172#if defined(CONFIG_ARCH_OMAP16XX) 172#if defined(CONFIG_ARCH_OMAP16XX)
173#define TIMER_32K_SYNCHRONIZED 0xfffbc410 173#define TIMER_32K_SYNCHRONIZED 0xfffbc410
174#elif defined(CONFIG_ARCH_OMAP24XX) 174#elif defined(CONFIG_ARCH_OMAP24XX)
175#define TIMER_32K_SYNCHRONIZED 0x48004010 175#define TIMER_32K_SYNCHRONIZED (OMAP24XX_32KSYNCT_BASE + 0x10)
176#endif 176#endif
177 177
178#ifdef TIMER_32K_SYNCHRONIZED 178#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;
71#if defined(CONFIG_ARCH_OMAP16XX) 71#if defined(CONFIG_ARCH_OMAP16XX)
72#define TIMER_32K_SYNCHRONIZED 0xfffbc410 72#define TIMER_32K_SYNCHRONIZED 0xfffbc410
73#elif defined(CONFIG_ARCH_OMAP24XX) 73#elif defined(CONFIG_ARCH_OMAP24XX)
74#define TIMER_32K_SYNCHRONIZED 0x48004010 74#define TIMER_32K_SYNCHRONIZED (OMAP24XX_32KSYNCT_BASE + 0x10)
75#else 75#else
76#error OMAP 32KHz timer does not currently work on 15XX! 76#error OMAP 32KHz timer does not currently work on 15XX!
77#endif 77#endif
@@ -147,14 +147,15 @@ static inline void omap_32k_timer_ack_irq(void)
147static void omap_32k_timer_set_mode(enum clock_event_mode mode, 147static void omap_32k_timer_set_mode(enum clock_event_mode mode,
148 struct clock_event_device *evt) 148 struct clock_event_device *evt)
149{ 149{
150 omap_32k_timer_stop();
151
150 switch (mode) { 152 switch (mode) {
151 case CLOCK_EVT_MODE_ONESHOT:
152 case CLOCK_EVT_MODE_PERIODIC: 153 case CLOCK_EVT_MODE_PERIODIC:
153 omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD); 154 omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD);
154 break; 155 break;
156 case CLOCK_EVT_MODE_ONESHOT:
155 case CLOCK_EVT_MODE_UNUSED: 157 case CLOCK_EVT_MODE_UNUSED:
156 case CLOCK_EVT_MODE_SHUTDOWN: 158 case CLOCK_EVT_MODE_SHUTDOWN:
157 omap_32k_timer_stop();
158 break; 159 break;
159 case CLOCK_EVT_MODE_RESUME: 160 case CLOCK_EVT_MODE_RESUME:
160 break; 161 break;
@@ -194,8 +195,6 @@ omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
194 return (unsigned long long) ticks_32k * 1000 * 5*5*5*5*5*5 >> 9; 195 return (unsigned long long) ticks_32k * 1000 * 5*5*5*5*5*5 >> 9;
195} 196}
196 197
197static unsigned long omap_32k_last_tick = 0;
198
199/* 198/*
200 * Returns current time from boot in nsecs. It's OK for this to wrap 199 * Returns current time from boot in nsecs. It's OK for this to wrap
201 * around for now, as it's just a relative time stamp. 200 * around for now, as it's just a relative time stamp.
@@ -225,7 +224,6 @@ static __init void omap_init_32k_timer(void)
225{ 224{
226 if (cpu_class_is_omap1()) 225 if (cpu_class_is_omap1())
227 setup_irq(INT_OS_TIMER, &omap_32k_timer_irq); 226 setup_irq(INT_OS_TIMER, &omap_32k_timer_irq);
228 omap_32k_last_tick = omap_32k_sync_timer_read();
229 227
230#ifdef CONFIG_ARCH_OMAP2 228#ifdef CONFIG_ARCH_OMAP2
231 /* REVISIT: Check 24xx TIOCP_CFG settings after idle works */ 229 /* REVISIT: Check 24xx TIOCP_CFG settings after idle works */