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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-25 10:35:36 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-25 21:17:58 +0000 |
| commit | 03399c1cb4e2503e92d10c1ce38ac2e69b7d2380 (patch) | |
| tree | a7a9b7910fb212bf7c57f6330b4a208ea8b17143 /arch/arm | |
| parent | baaece224570a935210a59257b5d9073e99843ea (diff) | |
| download | linux-03399c1cb4e2503e92d10c1ce38ac2e69b7d2380.tar.gz linux-03399c1cb4e2503e92d10c1ce38ac2e69b7d2380.tar.bz2 linux-03399c1cb4e2503e92d10c1ce38ac2e69b7d2380.zip | |
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 <santosh.shilimkar@ti.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/smp_twd.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index fd9156698ab9..60636f499cb3 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); } /* |