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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

On Wed, Mar 7, 2012 at 9:12 PM, Chris Ball <cjb@xxxxxxxxxx> 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@xxxxxx>
> 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@xxxxxxxxxx>   <>
> One Laptop Per Child
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at

[Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Photo]     [Yosemite News]    [Yosemite Photos]    [Free Online Dating]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux