linux-kernel - Re: [PATCH v4 00/13] AT91 pm cleanup for 3.20

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Date:	Wed, 28 Jan 2015 10:06:02 +0100
From:	Sylvain Rochet <sylvain.rochet@...secur.com>
To:	Wenyou Yang <wenyou.yang@...el.com>
Cc:	nicolas.ferre@...el.com, linux@....linux.org.uk,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	alexandre.belloni@...e-electrons.com, peda@...ntia.se,
	sergei.shtylyov@...entembedded.com, linux@...im.org.za
Subject: Re: [PATCH v4 00/13] AT91 pm cleanup for 3.20

Hello Wenyou,

On Wed, Jan 28, 2015 at 09:59:13AM +0100, Sylvain Rochet wrote:
> Hello Wenyou,
> 
> On Wed, Jan 28, 2015 at 09:39:32AM +0800, Wenyou Yang wrote:
> > Hi Nicolas,
> > 
> > This version is rebased on the branch: at91-3.20-cleanup of the repository
> > 	git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91.git
> > 
> > It is purpose to clean up the PM code, includes the patches from Peter Rosin and Sylvain Rochet.
> > 
> > Since verifying the USB clock and USB PLL disabling before suspending to memory,
> > it aslo depends on the following patch serials from Sylvain:
> > 	[PATCHv6 0/5] USB: gadget: atmel_usba_udc: Driver improvements
> > 	[PATCHv7 0/6] USB: host: Atmel OHCI and EHCI drivers improvements
> > 
> > Removes CONFIG_AT91_SLOW_CLOCK config item to simply the PM config,
> > The suspend to standby mode uses the same sram function as the suspend to memory mode.
> > Remove some unused code.
> > 
> > Alexandr & Sylvain, Thank you very much for so many feedbacks.
> > 
> > Changes in v2:
> >  - Rebase on the at91-3.20-cleanup branch
> >  - Recover the verify clock condition, only for suspend to memory.
> >  - Collect ACK from Alexandre
> >  - Add the macro for PM mode
> > 
> > Changes in v3:
> >  - Clear unused state argument in at91_pm_verify_clocks()
> >  - Remove pr_info("AT91:... slow_clock ? ..") in patch 07/13.
> 
> Changes in v4: ? :-)

Actually, I guess it is:

Changes in v2:
 - Rebase on the at91-3.20-cleanup branch
 - Recover the verify clock condition, only for suspend to memory.
 - Collect ACK from Alexandre
 - Add the macro for PM mode

Changes in v3
 - Sylvain splits the patch in two
 - Add handling if no sram allocated for PM
 - Retain the STANDBY and SUSPEND_MEM select in at91_pm_enter.

Changes in v4:
 - Clear unused state argument in at91_pm_verify_clocks()
 - Remove pr_info("AT91:... slow_clock ? ..") in patch 07/13.


(I prefer the reverse order, but, details)

Sylvain
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