linux-kernel - Re: [PATCH 11/14] gpio: omap: Restore power

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]

Date:   Thu, 12 Apr 2018 07:39:32 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Keerthy <j-keerthy@...com>
Cc:     linus.walleij@...aro.org, grygorii.strashko@...com,
        t-kristo@...com, Russ.Dill@...com, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org, ssantosh@...nel.org,
        haojian.zhuang@...aro.org, linux-arm-kernel@...ts.infradead.org,
        d-gerlach@...com
Subject: Re: [PATCH 11/14] gpio: omap: Restore power_mode configuration at
 resume time

* Keerthy <j-keerthy@...com> [180412 03:56]:
> From: Dave Gerlach <d-gerlach@...com>
> 
> Commit 2dc983c565e0 ("gpio/omap: cleanup prepare_for_idle and
> resume_after_idle") introduces omap2_gpio_prepare_for_idle and
> omap2_gpio_resume_after_idle to properly configure gpios that are used
> as wake sources. When entering off mode, omap2_gpio_prepare_for_idle
> can set a flag indicating off-mode entry is desired, however once this
> flag is set it is never cleared, so any additional calls to this
> function, regardless of the mode, have this flag set.
> 
> This patch restores the pwr_mode flag to 0 in
> omap2_gpio_resume_after_idle to ensure the flag is not misconfigured
> during non off-mode operation.

Seems like this should be applied as a fix, can you please add
a proper Fixes tag?

Regards,

Tony