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

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Date:	Mon, 19 Oct 2015 12:46:09 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Sudeep Holla <sudeep.holla@....com>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	"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

On Mon, 2015-10-19 at 18:35 +0100, Sudeep Holla wrote:
> 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 ?

OK.

-Scott

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