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From: Ohad Ben-Cohen <ohad@wizery.com>
To: Bing Zhao <bzhao@marvell.com>
Cc: NeilBrown <neilb@suse.de>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Daniel Drake <dsd@laptop.org>, Joe Woodward <jw@terrafix.co.uk>,
	Chris Ball <cjb@laptop.org>
Subject: Re: [PATCH] mmc/sdio: don't allow interface to runtime-suspend until probe is finished.
Date: Mon, 19 Dec 2011 11:12:47 +0200	[thread overview]
Message-ID: <CAK=Wgbb9nnC8e8aLS3XwLfHi8N2bXFSMYeviAOE9LOeocAPckQ@mail.gmail.com> (raw)
In-Reply-To: <477F20668A386D41ADCC57781B1F704308185E330B@SC-VEXCH1.marvell.com>

Hello Bing,

On Thu, Dec 15, 2011 at 9:35 AM, Bing Zhao <bzhao@marvell.com> wrote:
>> I wonder why the sdio reset command isn't helpful for you - it did
>> seem to resolve some issues for Daniel. Maybe you have two different
>> hardware revisions of the 8686 which behave differently in this
>> respect ?
>
> CMD52 Card Reset (writing bit3=1 to CCCR 0x06) may not reset the SD8686 properly for some systems. The reliable way to reset SD8686 is via RESETn toggling.

Thanks a lot for confirming this.

Ohad.

  reply	other threads:[~2011-12-19  9:13 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-05  1:54 NeilBrown
2011-12-05 10:25 ` Ohad Ben-Cohen
2011-12-05 19:06   ` NeilBrown
2011-12-05 19:17     ` Daniel Drake
2011-12-05 19:37     ` Ohad Ben-Cohen
2011-12-10  7:15       ` NeilBrown
2011-12-11  7:30         ` Ohad Ben-Cohen
2011-12-15  7:35           ` Bing Zhao
2011-12-19  9:12             ` Ohad Ben-Cohen [this message]
2011-12-16  4:08           ` NeilBrown
2011-12-16  4:39             ` Bing Zhao
2011-12-16  5:21               ` NeilBrown

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