linux-kernel - Re: [PATCH v1 2/2] serial: 8250_port: properly handle runtime PM in IRQ

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Message-ID: <CAHp75VfcwGdRRJha132uKCP6_xtPRqmQ1ii3zXBwtPUvT=7+Lg@mail.gmail.com>
Date:   Mon, 25 Oct 2021 15:43:39 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jiri Slaby <jirislaby@...nel.org>
Subject: Re: [PATCH v1 2/2] serial: 8250_port: properly handle runtime PM in IRQ

On Mon, Oct 25, 2021 at 3:42 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> We can't and basically don't need to call runtime PM in IRQ handler. If IRQ is
> ours, device must be powered on. Otherwise check if the device is powered off
> and return immediately.

Please, ignore.

-- 
With Best Regards,
Andy Shevchenko