linux-kernel - Re: [PATCH v2 4/7] clk: Add simple gated clock

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Date:	Sat, 24 Sep 2011 22:27:24 -0700
From:	"Turquette, Mike" <mturquette@...com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	jeremy.kerr@...onical.com, broonie@...nsource.wolfsonmicro.com,
	tglx@...utronix.de, linus.walleij@...ricsson.com,
	amit.kucheria@...aro.org, dsaxena@...aro.org, patches@...aro.org,
	linaro-dev@...ts.linaro.org, paul@...an.com, sboyd@...inc.com,
	shawn.guo@...escale.com, skannan@...cinc.com,
	magnus.damm@...il.com, arnd.bergmann@...aro.org,
	linux@....linux.org.uk, eric.miao@...aro.org,
	richard.zhao@...aro.org, Jamie Iles <jamie@...ieiles.com>
Subject: Re: [PATCH v2 4/7] clk: Add simple gated clock

On Sat, Sep 24, 2011 at 9:02 PM, Grant Likely <grant.likely@...retlab.ca> wrote:
> On Thu, Sep 22, 2011 at 03:26:59PM -0700, Mike Turquette wrote:
>> From: Jeremy Kerr <jeremy.kerr@...onical.com>
>>
>> Signed-off-by: Jeremy Kerr <jeremy.kerr@...onical.com>
>> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
>> Signed-off-by: Jamie Iles <jamie@...ieiles.com>
>> Signed-off-by: Mike Turquette <mturquette@...com>
>> ---
>> Changes since v1:
>> Add copyright header
>> Fold in Jamie's patch for set-to-disable clks
>> Use BIT macro instead of shift
>>
>>  drivers/clk/Kconfig    |    4 ++
>>  drivers/clk/Makefile   |    1 +
>>  drivers/clk/clk-gate.c |   78 ++++++++++++++++++++++++++++++++++++++++++++++++
>>  include/linux/clk.h    |   13 ++++++++
>>  4 files changed, 96 insertions(+), 0 deletions(-)
>>  create mode 100644 drivers/clk/clk-gate.c
>>
>> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
>> index d8313d7..a78967c 100644
>> --- a/drivers/clk/Kconfig
>> +++ b/drivers/clk/Kconfig
>> @@ -12,3 +12,7 @@ config GENERIC_CLK
>>  config GENERIC_CLK_FIXED
>>       bool
>>       depends on GENERIC_CLK
>> +
>> +config GENERIC_CLK_GATE
>> +     bool
>> +     depends on GENERIC_CLK
>
> I see zero documentation on what a "gated clock" is supposed to be or
> how it works, and there are zero comments in the code.  It's kind of
> hard to review that way, and even harder to use.

Will add Documentation and re-post.

Thanks,
Mike

> g.
>
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