linux-kernel - Re: [PATCH 04/17] powerpc: mpic: use IRQCHIP_SKIP_SET_WAKE instead of redundant mpic_irq_set

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Message-ID: <562529EF.7050404@arm.com>
Date:	Mon, 19 Oct 2015 18:35:43 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Scott Wood <scottwood@...escale.com>,
	Sudeep Holla <sudeep.holla@....com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Hongtao Jia <hongtao.jia@...escale.com>,
	Marc Zyngier <Marc.Zyngier@....com>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Wang Dongsheng-B40534 <Dongsheng.Wang@...escale.com>
Subject: Re: [PATCH 04/17] powerpc: mpic: use IRQCHIP_SKIP_SET_WAKE instead of
 redundant mpic_irq_set_wake

Hi Ben,

On 23/09/15 05:06, Scott Wood wrote:
> On Mon, 2015-09-21 at 16:47 +0100, Sudeep Holla wrote:
>> mpic_irq_set_wake return -ENXIO for non FSL MPIC and sets IRQF_NO_SUSPEND
>> flag for FSL ones. enable_irq_wake already returns -ENXIO if irq_set_wak
>> is not implemented. Also there's no need to set the IRQF_NO_SUSPEND flag
>> as it doesn't guarantee wakeup for that interrupt.
>>
>> This patch removes the redundant mpic_irq_set_wake and sets the
>> IRQCHIP_SKIP_SET_WAKE for only FSL MPIC.
>>
>> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
>> Cc: Paul Mackerras <paulus@...ba.org>
>> Cc: Michael Ellerman <mpe@...erman.id.au>
>> Cc: Scott Wood <scottwood@...escale.com>
>> Cc: Hongtao Jia <hongtao.jia@...escale.com>
>> Cc: Marc Zyngier <marc.zyngier@....com>
>> Cc: linuxppc-dev@...ts.ozlabs.org
>> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
>> ---
>>   arch/powerpc/sysdev/mpic.c | 23 ++++-------------------
>>   1 file changed, 4 insertions(+), 19 deletions(-)
>
> Acked-by: Scott Wood <scottwood@...escale.com>
>

Can you pick this up via your tree ?

-- 
Regards,
Sudeep
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