linux-kernel - Re: [PATCH] irq: enable suspended EARLY_RESUME irqs forcefully if not resumed

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Message-ID: <51E94690.1010702@nvidia.com>
Date:	Fri, 19 Jul 2013 19:30:48 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Laxman Dewangan <ldewangan@...dia.com>
CC:	"tglx@...utronix.de" <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] irq: enable suspended EARLY_RESUME irqs forcefully if
 not resumed

Hi Thomas,

On Tuesday 09 July 2013 08:02 PM, Laxman Dewangan wrote:
> When system enters into suspend, it disable all irqs in single
> function call. This disables EARLY_RESUME irqs also along with
> normal irqs.
>
> The EARLY_RESUME irqs get enabled in sys_core_ops->resume and
> non-EARLY_RESUME irqs get enabled in normal system resume path.
>
> When suspend_noirq failed or suspend is aborted for any reason,
> the EARLY_RESUME irqs do not get enabled as sys_core_ops->resume()
> call did not happen. It only enables the non-EARLY_RESUME irqs in normal
> disable for remaining life of system.
>
> Add checks on normal irq_resume() whether EARLY_RESUME irqs have been
> enabled or not and if not then enable it forcefully.
>
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
> ---


Any feedback on this patch please?

Thanks,
Laxman
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