linux-kernel - Re: [PATCH v2 16/20] mfd: sun6i-prcm: Add support for Allwinner A23 PRCM

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Date:	Fri, 20 Jun 2014 15:38:38 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Rob Herring <robh+dt@...nel.org>,
	Mike Turquette <mturquette@...aro.org>,
	Emilio Lopez <emilio@...pez.com.ar>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-serial@...r.kernel.org,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-sunxi <linux-sunxi@...glegroups.com>,
	devicetree <devicetree@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Luc Verhaegen <libv@...net.be>
Subject: Re: [PATCH v2 16/20] mfd: sun6i-prcm: Add support for Allwinner A23 PRCM

On Wed, Jun 18, 2014 at 8:24 PM, Maxime Ripard
<maxime.ripard@...e-electrons.com> wrote:
> On Wed, Jun 18, 2014 at 09:29:53AM +0100, Lee Jones wrote:
>> > The Allwinner A23 SoC has a PRCM unit like the previous A31 SoC.
>> > The differences are the AR100 clock can no longer be modified,
>> > the APB0 clock has different divisors, and some clock gates are
>> > gone.
>> >
>> > This patch adds a compatible with a modified subdevice list for
>> > the A23.
>> >
>> > Signed-off-by: Chen-Yu Tsai <wens@...e.org>
>> > ---
>> >  .../devicetree/bindings/mfd/sun6i-prcm.txt         |  2 +-
>> >  drivers/mfd/sun6i-prcm.c                           | 30 ++++++++++++++++++++++
>> >  2 files changed, 31 insertions(+), 1 deletion(-)
>>
>> The patch looks fine to me, but I'm concerned about the size of the
>> patch set and the amount of subsystems it touches.
>>
>> I am guessing that this patch can just be taken independently though.
>> Please correct me if I'm wrong.
>
> I have a bit of the same concern. We have several comments on the
> previous patches, so I'm not even sure this patch can go as is.
>
> It would be much easier if you (ChenYu) could introduce first a very
> basic with just the UART support, and then, as separate series,
> clocks, PRCM, MMC, and so on.

OK. I will do that. I'll also try to send some of the independent
fixes separately.


ChenYu
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