[PATCH] mmci: reset voltage after power off.

[Russell King - ARM Linux]

On Fri, Nov 05, 2010 at 10:35:41AM +0100, Linus Walleij wrote:
> From: Ulf Hansson <ulf.hansson at stericsson.com>
> 
> At power off, reset OCR mask to be the highest possible voltage
> supported for the current mmc host.
> 
> This solves the re-initialization during the power up sequence.
> The voltage may have been decreased due to the card accepts a lower
> voltage than the voltage used during the initialization sequence.
> We need to reset the voltage to by the host highest possible value
> since according to specification the initialization must always be
> done at high voltage.

Surely this should already be done by:

        /* If ocr is set, we use it */
        if (host->ocr)
                bit = ffs(host->ocr) - 1;
        else
                bit = fls(host->ocr_avail) - 1;

in mmc_power_up ?