Re: [PATCH] microblaze/timer: set ->min_delta_ticks and ->max_delta_ticks

Daniel Lezcano
2017-04-16T09:46:52Z

On Sun, Apr 16, 2017 at 04:47:11AM +0200, Nicolai Stange wrote:
> 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

Yeah, I was nitpicking.

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

--

<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |