linux-kernel - Re: [PATCH 2/6] pinctrl: Update clock handling for the pinctrl-nomadik GPIO driver

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: <CACRpkdZXvU0nWrV8oi9JvoOhi9CEbA7PWf_D6Z2MPz1J1zeWXw@mail.gmail.com>
Date:	Wed, 14 Nov 2012 15:37:11 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arnd@...db.de, linus.walleij@...ricsson.com,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: [PATCH 2/6] pinctrl: Update clock handling for the
 pinctrl-nomadik GPIO driver

On Wed, Nov 14, 2012 at 2:18 PM, Lee Jones <lee.jones@...aro.org> wrote:
> On Thu, 25 Oct 2012, Linus Walleij wrote:
>
>> On Thu, Oct 25, 2012 at 5:51 PM, Lee Jones <lee.jones@...aro.org> wrote:
>> > On Thu, 25 Oct 2012, Linus Walleij wrote:
>>
>> >> Probably some driver is needing a clk_get() or a clk_get_sys() is
>> >> needs to be added somewhere to bring up some vital cluster,
>> >> or there may be some out-of-tree driver needed to bring up the
>> >> cluster properly I have no clue... Maybe some cluster just
>> >> cannot be declocked like that.
>> >
>> > I leave work in 10 mins and won't be coding again for ~2.5 weeks.
>> > So if this is something you could squeeze in and fix-up, I'd be
>> > very grateful.
>>
>> I'll try. It doesn't look right that a clk_prepare() in the pinctrl
>> driver is saving the day for somebody else...
>
> Hi Linus,
>
> Did you apply this in the end?

No I can't. If I fix the bug in the patch (removing the surplus
clk_prepare() in the probe function) the thing regresses the
entire kernel, so I have no patch which actually is working.

It needs to be root-caused and fixed properly...

Yours,
Linus Walleij
--
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/