linux-kernel - Re: [PATCH 0/4] devfreq: exynos4: Support dt and use common ppmu driver

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Message-id: <25377064.TEmkdt3qR8@amdc1032>
Date:	Wed, 12 Mar 2014 16:35:54 +0100
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>
Cc:	myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
	rafael.j.wysocki@...el.com, nm@...com, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] devfreq: exynos4: Support dt and use common ppmu driver


Hi,

On Wednesday, March 12, 2014 08:47:58 PM Chanwoo Choi wrote:
> This patchset support devicetree and use common ppmu driver instead of
> individual code of exynos4_bus.c to remove duplicate code. Also this patchset
> get the resources for busfreq from dt data by using DT helper function.
> - PPMU register address
> - PPMU clock
> - Regulator for INT/MIF block
> 
> This patchset use SET_SYSTEM_SLEEP_PM_OPS macro intead of legacy method.
> To remove power-leakage in suspend state, before entering suspend state,
> disable ppmu clocks.
> 
> Chanwoo Choi (4):
>   devfreq: exynos4: Support devicetree to get device id of Exynos4 SoC
>   devfreq: exynos4: Use common ppmu driver and get ppmu address from dt data
>   devfreq: exynos4: Add ppmu's clock control and code clean about regulator control
>   devfreq: exynos4: Use SET_SYSTEM_SLEEP_PM_OPS macro instead of legacy method
> 
>  drivers/devfreq/exynos/exynos4_bus.c | 396 ++++++++++++++++++++++++-----------
>  1 file changed, 271 insertions(+), 125 deletions(-)

The patchset generally looks OK, for my review comments please see separate
mails.  One thing I forgot to mention yet: please also fix DTS files so
exynos4_bus driver is finally functional (currently even with this patchset
it is not).

PS Please also add linux-samsung-soc@...r.kernel.org to Cc: when sending
the next revision of this patchset.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

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