linux-kernel - Re: [PATCH V3] gpio: mxc: add power management support

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: <CAOMZO5By77kWa_yjuuzi_0=9F0VCiuAP1bxOV__74g7nmq=XVQ@mail.gmail.com>
Date:   Tue, 17 Jul 2018 22:34:46 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Anson Huang <Anson.Huang@....com>
Cc:     "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        NXP Linux Team <Linux-imx@....com>,
        Fabio Estevam <fabio.estevam@....com>
Subject: Re: [PATCH V3] gpio: mxc: add power management support

Hi Anson,

On Tue, Jul 17, 2018 at 10:25 PM, Anson Huang <Anson.Huang@....com> wrote:
> GPIO registers could lose context on i.MX7D, when
> enter LPSR mode, the whole SoC will be powered off
> except LPSR domain, GPIO banks will lose context
> in this case, need to restore the context after
> resume from LPSR mode.
>
> This patch adds new compatible string for i.MX7D
> which supports GPIO power off feature in suspend,
> and adds the GPIO save/restore operations in noirq
> suspend/resume phase, since GPIO is fundamental
> module which could be used by other peripherals'
> resume phase.
>
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Looks good for me, thanks:

Reviewed-by: Fabio Estevam <fabio.estevam@....com>