Hello Maintainers:
Please help check it, when you have time.
Thanks.
On 05/27/2013 06:02 PM, Chen Gang wrote:
> Hello Maintainers:
>
> Please help check this patch whether OK, when you have time.
>
> Thanks.
>
> On 05/21/2013 05:46 PM, Chen Gang wrote:
>>
>> Under arm64, we will calibrate the delay loop statically using a known
>> timer frequency, so delete read_current_timer(), or it will cause
>> compiling issue with allmodconfig.
>>
>> The related error:
>> ERROR: "read_current_timer" [lib/rbtree_test.ko] undefined!
>> ERROR: "read_current_timer" [lib/interval_tree_test.ko] undefined!
>> ERROR: "read_current_timer" [fs/ext4/ext4.ko] undefined!
>> ERROR: "read_current_timer" [crypto/tcrypt.ko] undefined!
>>
>>
>> Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
>> ---
>> arch/arm64/include/asm/timex.h | 6 +++---
>> arch/arm64/kernel/time.c | 6 ------
>> 2 files changed, 3 insertions(+), 9 deletions(-)
>>
>> diff --git a/arch/arm64/include/asm/timex.h b/arch/arm64/include/asm/timex.h
>> index b24a31a..81a076e 100644
>> --- a/arch/arm64/include/asm/timex.h
>> +++ b/arch/arm64/include/asm/timex.h
>> @@ -16,14 +16,14 @@
>> #ifndef __ASM_TIMEX_H
>> #define __ASM_TIMEX_H
>>
>> +#include <asm/arch_timer.h>
>> +
>> /*
>> * Use the current timer as a cycle counter since this is what we use for
>> * the delay loop.
>> */
>> -#define get_cycles() ({ cycles_t c; read_current_timer(&c); c; })
>> +#define get_cycles() arch_counter_get_cntvct()
>>
>> #include <asm-generic/timex.h>
>>
>> -#define ARCH_HAS_READ_CURRENT_TIMER
>> -
>> #endif
>> diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
>> index a551f88..03dc371 100644
>> --- a/arch/arm64/kernel/time.c
>> +++ b/arch/arm64/kernel/time.c
>> @@ -68,12 +68,6 @@ unsigned long long notrace sched_clock(void)
>> return arch_timer_read_counter() * sched_clock_mult;
>> }
>>
>> -int read_current_timer(unsigned long *timer_value)
>> -{
>> - *timer_value = arch_timer_read_counter();
>> - return 0;
>> -}
>> -
>> void __init time_init(void)
>> {
>> u32 arch_timer_rate;
>>
>
>
--
Chen Gang
Asianux Corporation
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