linux-kernel - Re: [PATCH v2 tty-next 3/3] 8250: microchip: pci1xxxx: Add power management functions to quad-uart driver.

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Message-ID: <acf4939aaf7ff31d1df3c8d0f38a2f718791e894.camel@microchip.com>
Date:   Wed, 26 Oct 2022 11:03:30 +0000
From:   <Tharunkumar.Pasumarthi@...rochip.com>
To:     <andy.shevchenko@...il.com>, <Kumaravel.Thiagarajan@...rochip.com>
CC:     <linux-serial@...r.kernel.org>, <etremblay@...tech-controls.com>,
        <gregkh@...uxfoundation.org>, <ilpo.jarvinen@...ux.intel.com>,
        <wander@...hat.com>, <u.kleine-koenig@...gutronix.de>,
        <jk@...abs.org>, <macro@...am.me.uk>, <jirislaby@...nel.org>,
        <johan@...nel.org>, <phil.edworthy@...esas.com>,
        <geert+renesas@...der.be>, <linux-kernel@...r.kernel.org>,
        <lukas@...ner.de>, <UNGLinuxDriver@...rochip.com>
Subject: Re: [PATCH v2 tty-next 3/3] 8250: microchip: pci1xxxx: Add power
 management functions to quad-uart driver.

On Mon, 2022-10-03 at 12:26 +0300, Andy Shevchenko wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
> content is safe
> > +       port->suspended == 0
> 
> How is this check race-protected?

I will use mutex_lock to handle race condition.


Thanks,
Tharun Kumar P