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From: Nicolas Pitre <nico@fluxnic.net>
To: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Mike Rapoport <mike@compulab.co.il>,
	Daniel Drake <dsd@laptop.org>, Arnd Hannemann <arnd@arndnet.de>,
	Chris Ball <cjb@laptop.org>,
	linux-mmc@vger.kernel.org, libertas-dev@lists.infradead.org
Subject: Re: MMC runtime PM patches break libertas probe
Date: Wed, 17 Nov 2010 09:54:24 -0500 (EST)	[thread overview]
Message-ID: <alpine.LFD.2.00.1011170953570.6448@xanadu.home> (raw)
In-Reply-To: <AANLkTi=RGBp57wQT-gb0B2oSRnvxMhb92ZL-TAc6WAqB@mail.gmail.com>

On Wed, 17 Nov 2010, Ohad Ben-Cohen wrote:

> On Wed, Nov 17, 2010 at 8:46 AM, Mike Rapoport <mike@compulab.co.il> wrote:
> > On our platforms we just keep it powered on after boot with the reset line held
> > high. (e.g. arch/arm/mach-pxa/cm-x300.c, arch/arm/mach-omap/board-cm-t35.c).
> > We don't bother much for power savings, though.
> 
> Thanks, Mike !
> 
> This paves the road for MMC_CAP_POWER_OFF_CARD.
> 
> SDIO core will enable runtime PM for the card only if that cap is set.
> As a result, the card will be powered down after boot, and will only
> be powered up again when a driver is loaded (and then it's up to the
> driver whether power will be kept or not).

Makes sense.


Nicolas

  reply	other threads:[~2010-11-17 14:54 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-31 14:29 MMC runtime PM patches break libertas probe Daniel Drake
2010-10-31 14:42 ` Ohad Ben-Cohen
2010-10-31 14:55   ` Daniel Drake
2010-10-31 15:08     ` Ohad Ben-Cohen
2010-10-31 15:10       ` Daniel Drake
2010-10-31 15:16         ` Ohad Ben-Cohen
2010-10-31 15:21           ` Daniel Drake
2010-10-31 15:21           ` Daniel Drake
2010-10-31 15:27             ` Ohad Ben-Cohen
2010-10-31 15:57               ` Daniel Drake
2010-10-31 16:16                 ` Ohad Ben-Cohen
2010-10-31 16:24                   ` Daniel Drake
2010-10-31 19:06                     ` Ohad Ben-Cohen
2010-11-01  8:27                       ` Ohad Ben-Cohen
2010-11-06 21:19                         ` Daniel Drake
2010-11-07  1:48                           ` Nicolas Pitre
2010-11-07 10:19                             ` Daniel Drake
2010-11-07 15:12                               ` Nicolas Pitre
2010-11-07 10:42                           ` Ohad Ben-Cohen
2010-11-07 10:51                             ` Daniel Drake
2010-11-07 13:17                               ` Ohad Ben-Cohen
2010-11-16 13:22                         ` Ohad Ben-Cohen
2010-11-16 14:29                           ` Daniel Drake
2010-11-16 14:49                             ` Ohad Ben-Cohen
2010-11-17  6:46                               ` Mike Rapoport
2010-11-17  7:29                                 ` Ohad Ben-Cohen
2010-11-17 14:54                                   ` Nicolas Pitre [this message]
2010-11-16 17:17                           ` Arnd Hannemann
2010-11-16 20:58                             ` Ohad Ben-Cohen
2010-11-16 21:16                               ` Arnd Hannemann
2010-11-16 22:26                                 ` Ohad Ben-Cohen
2011-05-29 16:21                       ` Daniel Drake
2011-05-30  6:52                         ` Ohad Ben-Cohen
2011-05-30  7:01                           ` Daniel Drake
2011-05-30  7:32                             ` Ohad Ben-Cohen
2011-05-30 11:04                               ` zhangfei gao
2011-05-30 11:16                                 ` Ohad Ben-Cohen
2011-06-02  8:39                                   ` Bing Zhao
2011-06-02 18:25                                     ` Ohad Ben-Cohen
2011-06-03 22:28                                       ` Bing Zhao
2011-06-03 22:52                                         ` Ohad Ben-Cohen
2011-06-07 14:34                                           ` Arnd Hannemann
2011-06-07 14:45                                             ` Ohad Ben-Cohen
2011-06-08 14:34                                           ` Ohad Ben-Cohen
2011-06-10  2:02                                             ` zhangfei gao
2011-06-10  4:28                                               ` Ohad Ben-Cohen
2011-06-11  2:33                                                 ` zhangfei gao
2011-06-11  9:03                                                   ` Ohad Ben-Cohen

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