From: David Vrabel <david.vrabel@csr.com>
To: Ohad Ben-Cohen <ohad@wizery.com>
Cc: linux-mmc@vger.kernel.org, Chris Ball <cjb@laptop.org>
Subject: Re: [PATCH 3/4] mmc: add MMC_QUIRK_DISABLE_CD
Date: Tue, 04 Jan 2011 22:09:51 +0000 [thread overview]
Message-ID: <4D239AAF.6090202@csr.com> (raw)
In-Reply-To: <1294175416-12358-3-git-send-email-ohad@wizery.com>
On 04/01/2011 21:10, Ohad Ben-Cohen wrote:
> 006ebd5d introduced sdio_disable_cd(), which disconnects the pull-up
> resistor on CD/DAT[3] (pin 1) of the card.
>
> Make it possible to start using sdio_disable_cd() by introducing
> MMC_QUIRK_DISABLE_CD.
How are you intending to use this? Whether this pull up should be
enabled or disabled is determined by the board (not the card). The
pull-up should be disabled if the board has a pull-up external to the
card, otherwise it must remain enabled.
David
next prev parent reply other threads:[~2011-01-04 22:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-04 21:10 [PATCH 1/4] mmc: mmc_card_keep_power cleanups Ohad Ben-Cohen
2011-01-04 21:10 ` [PATCH 2/4] mmc: do not switch to 1-bit mode if not required Ohad Ben-Cohen
2011-01-04 21:10 ` [PATCH 3/4] mmc: add MMC_QUIRK_DISABLE_CD Ohad Ben-Cohen
2011-01-04 22:09 ` David Vrabel [this message]
2011-01-04 22:13 ` Ohad Ben-Cohen
2011-01-04 22:27 ` Ohad Ben-Cohen
2011-01-04 23:04 ` David Vrabel
2011-01-04 23:22 ` Ohad Ben-Cohen
2011-01-06 23:40 ` Ohad Ben-Cohen
2011-01-04 21:10 ` [PATCH 4/4] mmc: add MMC_QUIRK_NONSTD_FUNC_IF Ohad Ben-Cohen
2011-01-04 22:48 ` Pierre Tardy
2011-01-04 23:16 ` Ohad Ben-Cohen
2011-01-04 23:25 ` Pierre Tardy
2011-01-04 23:34 ` Ohad Ben-Cohen
2011-01-05 9:10 ` Pierre Tardy
2011-01-05 9:40 ` Ohad Ben-Cohen
2011-01-05 12:28 ` Pierre Tardy
2011-01-06 23:16 ` Ohad Ben-Cohen
2011-01-09 16:48 ` Pierre Tardy
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