linux-kernel - Re: Traceback in -next due to commit 'clockevents/drivers/sh_tmu: Migrate to new 'set-state' interface'

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Message-ID: <55ADB37C.5020306@roeck-us.net>
Date:	Mon, 20 Jul 2015 19:50:36 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Traceback in -next due to commit 'clockevents/drivers/sh_tmu:
 Migrate to new 'set-state' interface'

On 07/20/2015 07:31 PM, Viresh Kumar wrote:
> On 20-07-15, 14:07, Guenter Roeck wrote:
>> Hi,
>>
>> Commit 991a7f4970ed1 ("clockevents/drivers/sh_tmu: Migrate to new 'set-state' interface")
>> in -next causes the following traceback. This is seen with qemu runs for the sh target.
>>
>> ------------[ cut here ]------------
>> WARNING: at drivers/clocksource/sh_tmu.c:202
>> Modules linked in:
>
> Can you please try this:
>
> diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
> index 43c98143f79a..469e776ec17a 100644
> --- a/drivers/clocksource/sh_tmu.c
> +++ b/drivers/clocksource/sh_tmu.c
> @@ -362,7 +362,8 @@ static int sh_tmu_clock_event_shutdown(struct clock_event_device *ced)
>   {
>   	struct sh_tmu_channel *ch = ced_to_sh_tmu(ced);
>
> -	sh_tmu_disable(ch);
> +	if (clockevent_state_oneshot(ced) || clockevent_state_periodic(ced))
> +		sh_tmu_disable(ch);
>   	return 0;
>   }
>
>
This patch fixes the problem.

Thanks,
Guenter

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