linux-kernel - Re: [PATCH] mfd: wm5102: Mark register 0x19 readable

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Date:	Mon, 10 Mar 2014 17:12:28 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:	Lee Jones <lee.jones@...aro.org>,
	patches@...nsource.wolfsonmicro.com,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linaro-kernel@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: wm5102: Mark register 0x19 readable

On Mon, Mar 10, 2014 at 05:05:24PM +0000, Charles Keepax wrote:
> On Mon, Mar 10, 2014 at 04:49:04PM +0000, Mark Brown wrote:

> > It'd be nice but you'd need to ask the Wolfson guys to tell us what it's
> > called, all the information I have is the read in the driver source.
> > Meanwile we've got a bug.

> WRITE_SEQUENCER_CTRL_3, seems we should add that in since it is
> required for that 5102 boot stuff. Slightly confused as to how
> that ever worked without the register being readable, but guess
> it has been a while since I have fired up 5102 on mainline.

It just prints an error message, it doesn't actually care if the read
failed and will fall through to polling for boot completion.

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