* T Krishnamoorthy, Balaji <balajitk@xxxxxx> [110531 06:28]:
> On Tue, May 31, 2011 at 6:56 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> > * Balaji T K <balajitk@xxxxxx> [110530 07:23]:
> >> eMMC does not handle power off when not in sleep state,
> >> Skip regulator disable during probe when eMMC is
> >> not in known state - state left by bootloader.
> >>
> >> Resolves eMMC failure on OMAP4
> >> mmc0: error -110 whilst initialising MMC card
> >>
> >> --- a/arch/arm/mach-omap2/hsmmc.h
> >> +++ b/arch/arm/mach-omap2/hsmmc.h
> >> @@ -18,6 +18,7 @@ struct omap2_hsmmc_info {
> >>    bool  Ânonremovable;  /* Nonremovable e.g. eMMC */
> >>    bool  Âpower_saving;  /* Try to sleep or power off when possible */
> >>    bool  Âno_off;     /* power_saving and power is not to go off */
> >> +   bool  Âno_off_init;  Â/* no power off when not in MMC sleep state */
> >>    bool  Âvcc_aux_disable_is_sleep; /* Regulator off remapped to sleep */
> >>    int   gpio_cd;    Â/* or -EINVAL */
> >>    int   gpio_wp;    Â/* or -EINVAL */
> >
> > Can't you use no_off for this too?
>
> no_off is used for devices which do not want to disable regulator at any time.
>
> newly introduced no_off_init is to skip disable regulator only during probe
> After eMMC is put in sleep state (while suspend), regulator for eMMC
> (VAUX1) can be disabled.
OK I'll queue this as a fix too then. Anybody from the MMC list care
to ack?
Tony
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
