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| author | Felix Fietkau <nbd@openwrt.org> | 2013-04-10 16:07:50 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2013-04-10 16:07:50 +0000 |
| commit | d72b4183466b57322077a79465d52b1693453ea3 (patch) | |
| tree | 267433ab2e69d5086f046e9b045cb4c17862b14f /target/linux/generic/patches-3.9 | |
| parent | 89cca284e2465871e8a7e28e7714f28b1397b7ba (diff) | |
| download | upstream-d72b4183466b57322077a79465d52b1693453ea3.tar.gz upstream-d72b4183466b57322077a79465d52b1693453ea3.tar.bz2 upstream-d72b4183466b57322077a79465d52b1693453ea3.zip | |
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>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36308 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.9')
| -rw-r--r-- | target/linux/generic/patches-3.9/995-mpcore_twd_calibrate_single_core.patch | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.9/995-mpcore_twd_calibrate_single_core.patch b/target/linux/generic/patches-3.9/995-mpcore_twd_calibrate_single_core.patch new file mode 100644 index 0000000000..447aaca5bc --- /dev/null +++ b/target/linux/generic/patches-3.9/995-mpcore_twd_calibrate_single_core.patch @@ -0,0 +1,23 @@ +--- a/arch/arm/kernel/smp_twd.c ++++ b/arch/arm/kernel/smp_twd.c +@@ -186,7 +186,7 @@ core_initcall(twd_cpufreq_init); + + #endif + +-static void __cpuinit twd_calibrate_rate(void) ++static int twd_calibrate_rate(void) + { + unsigned long count; + u64 waitjiffies; +@@ -223,8 +223,11 @@ 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; |