linux-kernel - Re: [PATCH 2/8] gpio: zynq: Wakeup gpio controller when it is used as IRQ controller

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Message-ID: <CAKfKVtHrh8r7kp=2br6OCKgWgsNmd5sVG2C96QnhYSFDj7B_+Q@mail.gmail.com>
Date:   Mon, 21 Jan 2019 11:41:07 +0530
From:   Shubhrajyoti Datta <shubhrajyoti.datta@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Michal Simek <michal.simek@...inx.com>,
        Nava kishore Manne <navam@...inx.com>,
        Josh Cartwright <josh.cartwright@...com>,
        "monstr@...str.eu" <monstr@...str.eu>,
        Peter Crosthwaite <peter.crosthwaite@...inx.com>,
        Borsodi Petr <Petr.Borsodi@...z>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Rob Herring <robherring2@...il.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Steffen Trumtrar <s.trumtrar@...gutronix.de>,
        Sören Brinkmann <soren.brinkmann@...inx.com>,
        Shubhrajyoti Datta <shubhraj@...inx.com>
Subject: Re: [PATCH 2/8] gpio: zynq: Wakeup gpio controller when it is used as
 IRQ controller

On Fri, Jan 11, 2019 at 8:26 PM Linus Walleij <linus.walleij@...aro.org> wrote:
>
> On Fri, Jan 11, 2019 at 1:54 PM Thomas Petazzoni
> <thomas.petazzoni@...tlin.com> wrote:
> > On Fri, 11 Jan 2019 10:54:20 +0100, Linus Walleij wrote:
> >
> > > My stance is that the driver is responsible of enabling and managing
> > > runtime PM for its hardware block(s).
> > >
> > > Runtime PM in the core should only be added if the core needs to
> > > be aware about it, such as is the case when e.g. a block device
> > > needs to drain its write buffer before going to runtime sleep.
> > >
> > > I fail so see why the GPIO core need to be aware about this.
> >
> > In this very same thread at
> > https://www.spinics.net/lists/arm-kernel/msg600515.html,  you kind of

I was not abloe to open the link could you please let me  know if I am
missing something?