> > Boards using the TWL4030 regulator may not all use the LDOs the same way
> > (e.g. MMC2 power can be controlled by another LDO than VMMC2).
> > This delegates TWL4030 MMC power initializations to board-specific 
> > functions,
> > that may still call twl4030_power_mmc_init for the default behavior.
> [snip]
> > +int board_mmc_power_init(void)
> > +{
> > +#if defined(CONFIG_TWL4030_POWER)
> > +   twl4030_power_mmc_init();
> > +   mdelay(100);    /* ramp-up delay from Linux code */
> > +#endif
> > +   return 0;
> > +}
> >  #endif
> 
> I think we can do away with the #if defined(CONFIG_TWL4030_POWER) part
> here since all of these boards will fail pretty spectacularly without
> that being set and if someone does remove that a link error is better
> than a crazy runtime problem.

That makes sense, I'll do that in v5.

> [snip]
> > diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
> > index 5b0c302..6e93a07 100644
> > --- a/drivers/mmc/omap_hsmmc.c
> > +++ b/drivers/mmc/omap_hsmmc.c
> > @@ -130,12 +130,7 @@ static unsigned char mmc_board_init(struct mmc *mmc)
> >     pbias_lite = readl(&t2_base->pbias_lite);
> >     pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
> >     writel(pbias_lite, &t2_base->pbias_lite);
> > -#endif
> > -#if defined(CONFIG_TWL4030_POWER)
> > -   twl4030_power_mmc_init();
> > -   mdelay(100);    /* ramp-up delay from Linux code */
> > -#endif
> > -#if defined(CONFIG_OMAP34XX)
> > +
> >     writel(pbias_lite | PBIASLITEPWRDNZ1 |
> >             PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
> >             &t2_base->pbias_lite);
> 
> Since it's not clear from the context here, it's OK to drop the check on
> CONFIG_OMAP34XX here since there's already a test on it above where diff
> cut us off?  Thanks!

Indeed, that's the case (not sure this was actually more of a question
than a statement).

Thanks for the review!
-- 
Paul Kocialkowski, Replicant developer

Replicant is a fully free Android distribution

Website: http://www.replicant.us/
Redmine: http://redmine.replicant.us/

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