From: Nicolas Pitre <nico@fluxnic.net>
To: Bing Zhao <bzhao@marvell.com>
Cc: Sahitya Tummala <stummala@codeaurora.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Michal Miroslaw <mirqus@gmail.com>, Chris Ball <cjb@laptop.org>,
Andrew Morton <akpm@linux-foundation.org>,
Maxim Levitsky <maximlevitsky@gmail.com>
Subject: RE: [PATCH v2] sdio: skip initialization on powered resume
Date: Wed, 15 Sep 2010 22:26:05 -0400 (EDT) [thread overview]
Message-ID: <alpine.LFD.2.00.1009152222400.19366@xanadu.home> (raw)
In-Reply-To: <477F20668A386D41ADCC57781B1F704307D30738F5@SC-VEXCH1.marvell.com>
On Wed, 15 Sep 2010, Bing Zhao wrote:
> If CMD7 is sent _before_ client driver's resume handler is called,
> while 8686 card is in sleep mode, it will fail. If CMD7 is sent
> _after_ client driver's resume handler is called, it should succeed.
Maybe that's what we should do in the powered suspend case then.
> By the way, a patch "mmc: fix all hangs related to mmc/sd card
> insert/removal during suspend/resume"
> (4c2ef25fe0b847d2ae818f74758ddb0be1c27d8e by Maxim Levitsky) has
> removed the call to mmc_detect_change() in mmc_resume_host().
If a card is removed while the host is suspended, then this should be
detected.
Nicolas
next prev parent reply other threads:[~2010-09-16 2:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-02 1:41 [PATCH v2] sdio: skip initialization on powered resume Bing Zhao
2010-09-02 17:54 ` Nicolas Pitre
2010-09-02 22:58 ` Bing Zhao
2010-09-02 23:30 ` Nicolas Pitre
2010-09-08 1:03 ` Bing Zhao
2010-09-08 1:28 ` Nicolas Pitre
2010-09-08 2:10 ` Bing Zhao
2010-09-14 10:15 ` Sahitya Tummala
2010-09-16 0:27 ` Bing Zhao
2010-09-16 2:26 ` Nicolas Pitre [this message]
2011-01-21 9:07 ` zhangfei gao
2011-01-22 2:22 ` Bing Zhao
2011-01-22 2:55 ` Nicolas Pitre
2011-01-22 3:27 ` Bing Zhao
2011-01-22 3:38 ` Chris Ball
2011-01-22 22:01 ` Ohad Ben-Cohen
2011-01-25 2:17 ` Bing Zhao
2011-01-25 3:10 ` zhangfei gao
2011-01-25 7:11 ` Ohad Ben-Cohen
2011-01-25 7:24 ` Ohad Ben-Cohen
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