linux-kernel - Re: [PATCH] leds: Fix locking for WM8350

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Message-ID: <20081115191414.GA12907@opensource.wolfsonmicro.com>
Date:	Sat, 15 Nov 2008 19:14:14 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Richard Purdie <rpurdie@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] leds: Fix locking for WM8350

On Sat, Nov 15, 2008 at 07:51:20PM +0100, Pavel Machek wrote:
> On Sat 2008-11-15 17:50:50, Mark Brown wrote:

> > Yes, that'd be safer though I'd be surprised to see systems that could
> > trigger it.

> Yes, they are uncommon. They exist; SPARC, IIRC. Plus you need

Exceptionally uncommon with the systems the WM8350 gets used with -
it's a primary PMIC for mobile devices so anything other than
uniprocessor ARM would be surprising.

> barriers on anything SMP... Just use atomic_t.

I was intending to do so next time I spin the patch.  Andrew had some
other comments and I don't have any test systems when I'm not in the
office anyway.
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