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From: zhangfei gao <zhangfei.gao@gmail.com>
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>
Subject: Re: [PATCH v2] sdio: skip initialization on powered resume
Date: Fri, 21 Jan 2011 04:07:23 -0500	[thread overview]
Message-ID: <AANLkTinjpe8iGcOyru=09WrBq4f5PfBo2QcUs40OycXg@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1009152222400.19366@xanadu.home>

On Wed, Sep 15, 2010 at 10:26 PM, Nicolas Pitre <nico@fluxnic.net> wrote:
> 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
> --
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
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> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

Hi, Bing

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

Thanks a lot.

  reply	other threads:[~2011-01-21  9:07 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
2011-01-21  9:07                   ` zhangfei gao [this message]
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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