tn3399_openwrt/target/linux/generic/patches-3.8/995-mpcore_twd_calibrate_single_core.patch
Felix Fietkau edd8048107 kernel: calibrate the TWD timer even when booting with only one CPU, it is used for the watchdog timer base
Fixes booting on single-core CNS3xxx devices

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 36308
2013-04-10 16:07:50 +00:00

24 lines
606 B
Diff

--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -189,7 +189,7 @@ core_initcall(twd_cpufreq_init);
#endif
-static void __cpuinit twd_calibrate_rate(void)
+static int twd_calibrate_rate(void)
{
unsigned long count;
u64 waitjiffies;
@@ -226,8 +226,11 @@ static void __cpuinit twd_calibrate_rate
printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000,
(twd_timer_rate / 10000) % 100);
}
+ return 0;
}
+device_initcall(twd_calibrate_rate);
+
static irqreturn_t twd_handler(int irq, void *dev_id)
{
struct clock_event_device *evt = *(struct clock_event_device **)dev_id;