From mboxrd@z Thu Jan  1 00:00:00 1970
From: zhangfei gao <zhangfei.gao@gmail.com>
Subject: Re: [PATCH v2] sdio: skip initialization on powered resume
Date: Fri, 21 Jan 2011 04:07:23 -0500
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To: Nicolas Pitre <nico@fluxnic.net>, 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>

On Wed, Sep 15, 2010 at 10:26 PM, Nicolas Pitre <nico@fluxnic.net> wrot=
e:
> 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
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Hi, Bing

Do you have any updated patch to skip mmc_sdio_init_card in resume back=
=2E
We need such patch in enable host sleep feature for mrvl8787.

Thanks a lot.