netdev - Re: [PATCH v2] can: c_can: move runtime PM enable/disable to c_can

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] [day] [month] [year] [list]

Message-ID: <20210305113208.3wm6fvqeunut2yci@pengutronix.de>
Date:   Fri, 5 Mar 2021 12:32:08 +0100
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Tong Zhang <ztong0001@...il.com>
Cc:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        YueHaibing <yuehaibing@...wei.com>,
        Zhang Qilong <zhangqilong3@...wei.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] can: c_can: move runtime PM enable/disable to
 c_can_platform

On Mon, Mar 01, 2021 at 09:55:40PM -0500, Tong Zhang wrote:
> Currently doing modprobe c_can_pci will make kernel complain
> "Unbalanced pm_runtime_enable!", this is caused by pm_runtime_enable()
> called before pm is initialized.
> This fix is similar to 227619c3ff7c, move those pm_enable/disable code to
> c_can_platform.

I can confirm this makes the warning go away on a Congatec Atom board. I
didn't do any further runtime tests.

Tested-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

Thanks
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)