linux-kernel - Re: [PATCH] regulator: mt6397: convert to arch

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Date:	Wed, 23 Dec 2015 12:00:19 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Henry Chen <henryc.chen@...iatek.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Mark Rutland <mark.rutland@....com>,
	Sascha Hauer <kernel@...gutronix.de>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, eddie.huang@...iatek.com
Subject: Re: [PATCH] regulator: mt6397: convert to arch_initcall

On Wed, Dec 23, 2015 at 06:16:08PM +0800, Henry Chen wrote:

Please fix your mail client to word wrap within paragraphs at something
substantially less than 80 columns.  Doing this makes your messages much
easier to read and reply to.

> Due to some device may need reulator operation in earlier boot time like gpu module which
> power domain need regulator power on first. Move regulator of mt6397
> initialization earlier in boot so that real devices can use regulator
> without probe deferring.

Several problems here.  One is that we usually use subsys_initcall() for
working around the known broken subsystems here, why have you decided to
go for arch_initcall() instead.  Another is that you're saying this is
for GPUs but I'm not aware of any reason why GPUs are broken and we
should not be introducing new problems here - what's going on?

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