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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 | edd8048107d1c96775b4ce372a24ff5daba05eae (patch) | |
| tree | ff5911128b6ef6a87f27d37f78ab26008e97e331 | |
| parent | 06733c265084ba453c192ebfc203d3f4f230643a (diff) | |
| download | mtk-20170518-edd8048107d1c96775b4ce372a24ff5daba05eae.zip mtk-20170518-edd8048107d1c96775b4ce372a24ff5daba05eae.tar.gz mtk-20170518-edd8048107d1c96775b4ce372a24ff5daba05eae.tar.bz2 | |
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
| -rw-r--r-- | target/linux/generic/patches-3.8/995-mpcore_twd_calibrate_single_core.patch | 23 | ||||
| -rw-r--r-- | target/linux/generic/patches-3.9/995-mpcore_twd_calibrate_single_core.patch | 23 |
2 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.8/995-mpcore_twd_calibrate_single_core.patch b/target/linux/generic/patches-3.8/995-mpcore_twd_calibrate_single_core.patch new file mode 100644 index 0000000..bd5cf52 --- /dev/null +++ b/target/linux/generic/patches-3.8/995-mpcore_twd_calibrate_single_core.patch @@ -0,0 +1,23 @@ +--- a/arch/arm/kernel/smp_twd.c ++++ b/arch/arm/kernel/smp_twd.c +@@ -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; 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 0000000..447aaca --- /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; |