From: Russell King Date: Tue, 25 Jan 2011 10:35:36 +0000 (+0000) Subject: ARM: twd: ensure timer reload is reprogrammed on entry to periodic mode X-Git-Tag: v3.0~1545^3~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=03399c1cb4e2503e92d10c1ce38ac2e69b7d2380;p=platform%2Fkernel%2Flinux-amlogic.git ARM: twd: ensure timer reload is reprogrammed on entry to periodic mode Ensure that the twd timer reload value is reprogrammed each time we enter periodic mode. This ensures that the reload value is always reset correctly. Tested-by: Santosh Shilimkar Acked-by: Colin Cross Signed-off-by: Russell King --- diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index fd91566..60636f4 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -36,6 +36,7 @@ static void twd_set_mode(enum clock_event_mode mode, /* timer load already set up */ ctrl = TWD_TIMER_CONTROL_ENABLE | TWD_TIMER_CONTROL_IT_ENABLE | TWD_TIMER_CONTROL_PERIODIC; + __raw_writel(twd_timer_rate / HZ, twd_base + TWD_TIMER_LOAD); break; case CLOCK_EVT_MODE_ONESHOT: /* period set, and timer enabled in 'next_event' hook */ @@ -81,7 +82,7 @@ int twd_timer_ack(void) static void __cpuinit twd_calibrate_rate(void) { - unsigned long load, count; + unsigned long count; u64 waitjiffies; /* @@ -116,10 +117,6 @@ static void __cpuinit twd_calibrate_rate(void) printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000, (twd_timer_rate / 1000000) % 100); } - - load = twd_timer_rate / HZ; - - __raw_writel(load, twd_base + TWD_TIMER_LOAD); } /*