linux-kernel - Re: [PATCH 1/3] clk: exynos-audss: Keep the parent of mout

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 Jun 2014 13:00:53 +0530
From:	Tushar Behera <tushar.b@...sung.com>
To:	Tomasz Figa <tomasz.figa@...il.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	ML Devicetree <devicetree@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	ML Arch-Arm <linux-arm-kernel@...ts.infradead.org>,
	Mike Turquette <mturquette@...aro.org>,
	Tomasz Figa <t.figa@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Kevin Hilman <khilman@...aro.org>,
	Doug Anderson <dianders@...gle.com>,
	Shaik Ameer Basha <shaik.ameer@...sung.com>
Subject: Re: [PATCH 1/3] clk: exynos-audss: Keep the parent of mout_audss
 always enabled

On Wed, Jun 11, 2014 at 10:58 PM, Tomasz Figa <tomasz.figa@...il.com> wrote:
> Hi Tushar,
>
> On 11.06.2014 07:32, Tushar Behera wrote:
>> When the output clock of AUDSS mux is disabled, we are getting kernel
>> oops while doing a clk_get() on other clocks provided by AUDSS. Though
>> user manual doesn't specify this dependency, we came across this issue
>> while disabling the parent of AUDSS mux clocks.
>
> Could you provide more data about this oops? E.g. kernel log, platforms
> it affects (just peach-pit or also others), test case, extra patches
> applied on top of mainline (if any).
>
> I don't like this solution, because keeping a clock always enabled is
> usually not desirable and this driver is also used on other platforms
> than peach-pit, so this change will affect all of them.
>

I will update later after doing similar tests on other platforms.

> Best regards,
> Tomasz
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/