[PATCH 1/2] arm: omap4: hsmmc: Fix Pbias configuration on regulator OFF
Tony Lindgren
tony at atomide.com
Fri Sep 30 13:41:48 EDT 2011
* T Krishnamoorthy, Balaji <balajitk at ti.com> [110930 07:43]:
> On Thu, Sep 29, 2011 at 9:50 PM, Tony Lindgren <tony at atomide.com> wrote:
> > * Balaji T K <balajitk at ti.com> [110929 07:11]:
> >> MMC1 data line IO's are powered down in before set regulator function.
> >> IO's should not be powered ON when regulator is OFF.
> >> Keep the IO's in power pown mode after regulator OFF.
> >> Delete incorrect comments which are not applicable for OMAP4.
> >
> > Care to check how this is different from what I added into fixes
> > branch as commit 3fe8df93b0992199e3a0026fc51e90b705f94e40?
> >
> > Is this a separate issue?
>
> Yes.
> commit 3fe8df93b fixes USBC1 configuration.
> USBC1 IO was configured unnecessarily for MMC IO.
>
> This patch keeps the MMC IO's in power down after regulator OFF
> otherwise it generates VMODE_ERROR due to mismatch in input (regulator)
> voltage and MMC IO drive voltage.
OK, can you please refresh it against the current fixes branch?
Thanks,
Tony
More information about the linux-arm-kernel
mailing list