linux-kernel - Re: [PATCH] sdio: add CD disable support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090730124543.GF3058@console-pimps.org>
Date:	Thu, 30 Jul 2009 13:45:43 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Ohad Ben-Cohen <ohad@...cohen.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Philip Langdale <philipl@...rt.org>, ian@...menth.co.uk,
	pierre@...man.eu, linux-kernel@...r.kernel.org,
	linux-embedded@...r.kernel.org, nico@....org,
	nicolas.ferre@....atmel.com, hskinnemoen@...el.com,
	tony@...mide.com, david-b@...bell.net, manuel.lauss@...il.com,
	mirq-l@...per.es, Adrian Hunter <adrian.hunter@...ia.com>,
	Madhusudhan <madhu.cr@...com>
Subject: Re: [PATCH] sdio: add CD disable support

On Thu, Jul 30, 2009 at 02:54:08PM +0300, Ohad Ben-Cohen wrote:
> From: Ohad Ben-Cohen <ohad@...ery.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  <ohad@...ery.com>
> ---
>  drivers/mmc/core/sdio.c  |   32 ++++++++++++++++++++++++++++++++
>  include/linux/mmc/card.h |    3 ++-
>  2 files changed, 34 insertions(+), 1 deletions(-)
> 

Do you have a follow-up patch to make use of this new functionality? I
can't see anywhere where disable_cd is set.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/