From: Wolfram Sang <w.sang@pengutronix.de>
To: Jaehoon Chung <jh80.chung@samsung.com>
Cc: linux-mmc@vger.kernel.org, Chris Ball <cjb@laptop.org>,
kyungmin Park <kyungmin.park@samsung.com>,
Andrew Morton <akpm@linux-foundation.org>,
matt@console-pimps.org
Subject: Re: [RFC Patch] SDHCI: add quirk for data timeout value when card busy.
Date: Tue, 30 Nov 2010 10:56:18 +0100 [thread overview]
Message-ID: <20101130095618.GA6408@pengutronix.de> (raw)
In-Reply-To: <4CF4961C.5020606@samsung.com>
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Hi,
On Tue, Nov 30, 2010 at 03:13:48PM +0900, Jaehoon Chung wrote:
> This patch is added quirks for data timeout value.
>
> Some card have problem when suspend/resume.
> CMD6(switch command) to switch the bus to high speed mode
> and to set the bus width.
>
> After resuming, the card was initialized...in that time, some
> card need set a correct timeout value.
> so we add SDHCI_QUIRK_SET_DATA_TIMEOUT_VAL.
If this is a flaw of the _card_, why do we need a controller quirk here?
Shouldn't this happen for all sdhci-controllers?
Kind regards,
Wolfram
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2010-11-30 9:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-30 6:13 [RFC Patch] SDHCI: add quirk for data timeout value when card busy Jaehoon Chung
2010-11-30 6:42 ` Philip Rakity
2010-11-30 7:15 ` Jaehoon Chung
2010-11-30 9:56 ` Wolfram Sang [this message]
2010-11-30 10:13 ` Jaehoon Chung
2010-11-30 10:54 ` Wolfram Sang
2010-11-30 11:37 ` Jaehoon Chung
2010-11-30 15:56 ` Philip Rakity
2010-12-01 5:44 ` Jaehoon Chung
2010-12-01 5:51 ` Philip Rakity
2010-12-01 12:29 ` Jaehoon Chung
2010-12-01 16:21 ` Philip Rakity
2010-12-02 7:40 ` Jaehoon Chung
2010-12-02 9:09 ` Wolfram Sang
2010-12-02 16:00 ` Philip Rakity
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