linux-kernel - Re: [PATCH v2] ARM: tegra: switch FUSE clock on before usage

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Message-ID: <529F5EF9.5010707@wwwdotorg.org>
Date:	Wed, 04 Dec 2013 09:57:29 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Alexandre Courbot <gnurou@...il.com>,
	Alex Courbot <acourbot@...dia.com>
CC:	Thierry Reding <thierry.reding@...il.com>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ARM: tegra: switch FUSE clock on before usage

On 12/04/2013 12:09 AM, Alexandre Courbot wrote:
> Hi Stephen,
> 
> On Fri, Nov 22, 2013 at 10:35 AM, Alex Courbot <acourbot@...dia.com> wrote:
>> On 11/22/2013 05:30 AM, Stephen Warren wrote:
>>>
>>> On 11/20/2013 07:40 PM, Alexandre Courbot wrote:
>>>>
>>>> FUSE clock is enabled by most bootloaders, but we cannot expect it to be
>>>> on in all contexts (e.g. kexec).
>>>>
>>>> Ensure the FUSE clock is enabled before any of its registers is touched.
>>>> Since FUSE is touched very early during system boot (before the clock
>>>> devices are registered), directly manipulate the clock register bit in
>>>> case the clock device cannot be acquired.
>>>
>>>
>>> This looks reasonable to me. I'll apply it soon after -rc1.
>>
>>
>> Thanks. Be careful as I noticed I misformatted my commit message. The part
>> after the "--" will not be stripped by git am as I intended it to be. I
>> understood what I did wrong and will hopefully not make that mistake again.
>>
>> Sorry for the inconvenience.
> 
> I am not seeing this in your tree, have you applied it somewhere already?

I haven't applied anything for 3.14 yet. I was hoping to get the
DMA/clock/reset DT binding rework in first, but it's been dragging on
for while, so I'll probably take a look at what can be applied without
conflicting with that soon.

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