linux-kernel - Re: [PATCH 2/8] mfd: cros_ec_i2c: move the system sleep pm ops to late

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, 10 Aug 2017 20:31:15 -0700
From:   Benson Leung <bleung@...gle.com>
To:     Thierry Escande <thierry.escande@...labora.com>
Cc:     Benson Leung <bleung@...omium.org>,
        Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org,
        bleung@...gle.com, josephl@...dia.com
Subject: Re: [PATCH 2/8] mfd: cros_ec_i2c: move the system sleep pm ops to
 late

Hi Thierry,

On Fri, Aug 11, 2017 at 12:16:44AM +0200, Thierry Escande wrote:
> From: Joseph Lo <josephl@...dia.com>
> 

Again, please copy the original author.

> The cros_ec_i2c driver is still active after it had suspended or before it
> resumes. Besides that, it also tried to transfer data even after the I2C
> host had been suspended. This leads the system to crash.
> 
> During the test, we also observed that the EC needs to be resumed
> earlier due to some status polling from the EC firmware (e.g. battery
> status). This patch moves the PM ops to late stage to make it work
> normally.
> 
> Signed-off-by: Joseph Lo <josephl@...dia.com>
> Signed-off-by: Thierry Escande <thierry.escande@...labora.com>

Acked-by: Benson Leung <bleung@...omium.org>

Thanks!
Benson

-- 
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@...gle.com
Chromium OS Project
bleung@...omium.org

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)