Regression for non-eMMC cards with commit fa550189?

Tony Lindgren tony at atomide.com
Tue May 29 09:03:13 EDT 2012


* Felipe Balbi <balbi at ti.com> [120529 05:56]:
> Hi,
> 
> On Tue, May 29, 2012 at 05:47:32AM -0700, Tony Lindgren wrote:
> > * Felipe Balbi <balbi at ti.com> [120529 00:46]:
> > > 
> > > Can you enable debugging on menelaus so we see what the driver is doing ?
> > > 
> > > I believe that to change the VMMC's supply voltage you need to turn off
> > > the regulator, meaning LDO_CTRL7[1:0] = 0b00.
> > 
> > Looks like it's some kind of race between the slots that now gets triggered
> > in the omap driver.
> > 
> > Commenting out the second slot in the board file fixes things. I tried adding
> > a mutex to protect the sequence between POWER_UP and POWER_ON, but no luck yet.
> > 
> > Also adding printk statements here and there makes it work again.
> 
> does this help ?

Thanks does not seem to help.

Tony



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