From: Pierre Ossman <drzeus-list@drzeus.cx>
To: David Vrabel <david.vrabel@csr.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch 4/4] sdio: disable CD resistor
Date: Tue, 7 Aug 2007 17:08:26 +0200 [thread overview]
Message-ID: <20070807170826.0c32801b@poseidon.drzeus.cx> (raw)
In-Reply-To: <46B885CC.6030404@csr.com>
On Tue, 07 Aug 2007 15:46:36 +0100
David Vrabel <david.vrabel@csr.com> wrote:
>
> Is there an example driver for a host that uses pin 1/DAT3 sensing for
> card detection? I'm curious about how removal detections work.
>
Both wbsd and sdhci have experienced hardware with this. In sdhci this
is hidden completely in hardware, but wbsd has to do some funky logic
to handle the problem.
> App Note on card detection goes into the use of this resistor in more
> detail but I don't believe this document is publicly available :(.
>
SD is a wonderful world. :/
--
-- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org
PulseAudio, core developer http://pulseaudio.org
rdesktop, core developer http://www.rdesktop.org
next prev parent reply other threads:[~2007-08-07 15:08 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-31 15:36 sdio: enhance IO_RW_EXTENDED support David Vrabel
2007-07-31 15:36 ` sdio: parameterize SDIO FBR register defines David Vrabel
2007-08-04 13:26 ` Pierre Ossman
2007-08-06 10:14 ` David Vrabel
2007-08-06 14:58 ` Pierre Ossman
2007-07-31 15:36 ` sdio: set the functions' block size David Vrabel
2007-08-04 13:30 ` Pierre Ossman
2007-08-06 10:04 ` David Vrabel
2007-07-31 15:36 ` sdio: extend sdio_readsb() and friends to handle any length of buffer David Vrabel
2007-08-04 13:35 ` Pierre Ossman
2007-08-04 13:23 ` sdio: enhance IO_RW_EXTENDED support Pierre Ossman
2007-08-06 10:31 ` David Vrabel
2007-08-06 15:12 ` Pierre Ossman
2007-08-06 15:32 ` David Vrabel
2007-08-06 18:06 ` Pierre Ossman
2007-08-06 20:01 ` Pierre Ossman
2007-08-07 12:51 ` David Vrabel
2007-08-07 12:53 ` [patch 1/4] sdio: parameterize SDIO FBR register defines David Vrabel
2007-08-07 12:54 ` [patch 2/4] sdio: set the functions' block size David Vrabel
2007-08-07 13:38 ` Pierre Ossman
2007-08-07 17:20 ` David Vrabel
2007-08-07 17:54 ` Pierre Ossman
2007-08-08 9:46 ` David Vrabel
2007-08-08 10:06 ` Pierre Ossman
2007-08-08 10:19 ` David Vrabel
2007-08-07 12:55 ` [patch 3/4] sdio: extend sdio_readsb() and friends to handle any length of buffer David Vrabel
2007-08-07 13:42 ` Pierre Ossman
2007-08-07 20:17 ` Pierre Ossman
2007-08-08 10:19 ` David Vrabel
2007-08-08 10:37 ` Pierre Ossman
2007-08-08 13:22 ` David Vrabel
2007-08-08 13:23 ` [patch 1/3] sdio: add SDIO_FBR_BASE(f) macro David Vrabel
2007-08-08 13:23 ` [patch 2/3] sdio: set the functions' block size David Vrabel
2007-08-08 13:24 ` [patch 3/3] sdio: extend sdio_readsb() and friends to handle any length of buffer David Vrabel
2007-08-08 16:55 ` [patch 3/4] " Pierre Ossman
2007-08-07 12:55 ` [patch 4/4] sdio: disable CD resistor David Vrabel
2007-08-07 13:43 ` Pierre Ossman
2007-08-07 14:46 ` David Vrabel
2007-08-07 15:08 ` Pierre Ossman [this message]
2007-08-07 13:33 ` sdio: enhance IO_RW_EXTENDED support Pierre Ossman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070807170826.0c32801b@poseidon.drzeus.cx \
--to=drzeus-list@drzeus.cx \
--cc=david.vrabel@csr.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®