linux-kernel - Re: [PATCH v1 1/2] pinctrl: cherryview: Avoid duplicated I/O

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20231006102412.GY3208943@black.fi.intel.com>
Date:   Fri, 6 Oct 2023 13:24:12 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andy@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Raag Jadav <raag.jadav@...el.com>
Subject: Re: [PATCH v1 1/2] pinctrl: cherryview: Avoid duplicated I/O

On Fri, Oct 06, 2023 at 12:40:32PM +0300, Andy Shevchenko wrote:
> In some cases we already read the value from the register followed
> by a reading of it again for other purposes, but the both reads
> are under the lock and bits we are insterested in are not going
> to change (they are not volatile from HW perspective). Hence, no
> need to read the same registeer twice.

Typo "registeer" -> "register"

> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Acked-by: Mika Westerberg <mika.westerberg@...ux.intel.com>