Re: [PATCH] omap4: pandaboard: fix up mmc card detect logic

[Jarkko Nikula <jhnikula@gmail.com>]

On Fri, 15 Oct 2010 08:24:47 -0500
Nishanth Menon <nm@ti.com> wrote:

> For MMC1 Controller, card detect interrupt source is
> twl6030 which is non-gpio. The card detect call back function provides
> card present/absent status by reading MMC Control register present
> on twl6030. This functionality was introduced in mfd tree on
> track to kernel.org
> 
> Sync pandaboard to the same and make mmc work.
> 
> Cc: Tony Lindgren <tony@atomide.com>
> Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
> Cc: Adrian Hunter <adrian.hunter@nokia.com>
> Cc: Samuel Ortiz <sameo@linux.intel.com>
> 
> Acked-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---
> 
> Depends on 
> http://git.kernel.org/?p=linux/kernel/git/sameo/mfd-2.6.git;a=commitdiff;h=1bf5197061a4aec99e9fd4f92d4a543310f83585;hp=0c9b33e5a23e2053165c9e30ffff3b3a3cf1b2b8
> This patch probably should be squashed to that.
> 
>  arch/arm/mach-omap2/board-omap4panda.c |   15 ++++++++++++---
>  1 files changed, 12 insertions(+), 3 deletions(-)
> 
FWIW,

With the reference patch above and this I can mount the mmc root on
Panda EA1.

Tested-by: Jarkko Nikula <jhnikula@gmail.com>