[PATCH 4/4] mmc: omap_hsmmc: Simplify init for twl6030 MMC card detect

[T Krishnamoorthy, Balaji]

On Wed, Mar 7, 2012 at 9:12 PM, Chris Ball <cjb at laptop.org> wrote:
> Hi Balaji,
>
> On Wed, Mar 07 2012, T Krishnamoorthy, Balaji wrote:
>> OMAP4 and OMAP3 HSMMC IP registers differ by 0x100 offset.
>> Addng the offset to platform_device resource structure
>> increments the start address for every insmod operation.
>> MMC command fails on re-insertion as module due incorrect register base.
>> Fix this by updating the ioremap base address only.
>>
>> Signed-off-by: Balaji T K <balajitk at ti.com>
>
> Is this a regression, or has it never worked in mainline?

Not a regression introduced in current merge window.
It happens on re-insertion of module.
will post a patch with $SUBJECT

>
>> Note:  eMMC detection is still failing on resertion due to card vcc
>> power off on rmmod
>
> And this?

This issue was hidden and uncovered after this fix.
This problem is Vcc being powered off without sleep command.

>
> Thanks,
>
> - Chris.
> --
> Chris Ball   <cjb at laptop.org>   <http://printf.net/>
> One Laptop Per Child