Hello Daniel,

On Fri, Apr 07 2017, Daniel Lezcano wrote:

> On Thu, Mar 30, 2017 at 09:45:28PM +0200, Nicolai Stange wrote:
>> diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
>> index 999066192715..545ccd46edb3 100644
>> --- a/arch/microblaze/kernel/timer.c
>> +++ b/arch/microblaze/kernel/timer.c
>> @@ -178,8 +178,10 @@ static __init int xilinx_clockevent_init(void)
>>                              clockevent_xilinx_timer.shift);
>>      clockevent_xilinx_timer.max_delta_ns =
>>              clockevent_delta2ns((u32)~0, &clockevent_xilinx_timer);
>> +    clockevent_xilinx_timer.max_delta_ticks = (u32)~0;
>
> Can you take the opportunity to fix the type (unsigned long) ?

Hmm, I personally think that it'd be better to leave the u32 there as it
corresponds to the hardware's counter width?

clockevent_delta2ns()' latch argument has been of type unsigned long
from the beginning and this might indicate that at least this
driver's original author followed this line of reasoning...

OTOH, I think that u32 is equivalent to unsigned long on microblaze, so
it doesn't matter much.

Does the above convince you or do you still want the

  -     clockevent_xilinx_timer.max_delta_ticks = (u32)~0;
  +     clockevent_xilinx_timer.max_delta_ticks = ~0UL;

change?


Thanks,

Nicolai

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