for embedded
SDIO devices like TI 127x WLAN devices (with 1.8V MMC controllers like we
have on the ZOOM2 boards for example).
Thank you,
Ohad.
From f9ba45b537dd12fc09443ee29c48860665f8ac82 Mon Sep 17 00:00:00 2001
From: Ohad Ben-Cohen o...@bencohen.org
Date: Wed, 15 Jul 2009 09:21:41 +0300
Subject: [PATCH
From: Ohad Ben-Cohen o...@wizery.com
To save power, the pull-up resistor on CD/DAT[3] (pin 1)
of the card can be disconnected. This is desired, e.g.,
with embedded SDIO devices which do not rely on this pin
for card detection.
Signed-off-by: Ohad Ben-Cohen o...@wizery.com
---
drivers/mmc/core
Hi David,
Thank you for your comments.
On Thu, Jul 30, 2009 at 3:54 PM, David Vrabeldavid.vra...@csr.com wrote:
Platforms may rely on the card's pull-up and not fit/configure an
external one. There may need to be a way for host controller drivers to
say this and prevent the disabling of the
Hi Matt,
On Thu, Jul 30, 2009 at 9:50 PM, Matt Flemingm...@console-pimps.org wrote:
As David has already said, both comments need fixing up. It is the host
controller driver that decides whether to disable the DAT[3] pull-up,
not the card. If you make those changes then you can add my
From: Ohad Ben-Cohen o...@wizery.com
Add support to disconnect the pull-up resistor on CD/DAT[3] (pin 1)
of the card. This may be desired on certain setups of boards,
controllers and embedded sdio devices which do not need the card's
pull-up. As a result, card detection is disabled and power
