Hi Ohad, On Fri, Nov 19, 2010 at 09:29:09AM +0200, Ohad Ben-Cohen wrote: > Some board/card/host configurations are not capable of powering off the > card after boot. > > To support such configurations, and to allow smoother transition to > runtime PM behavior, MMC_CAP_POWER_OFF_CARD is added, so hosts need to > explicitly indicate whether it's OK to power off their cards after boot. > > SDIO core will enable runtime PM for a card only if that cap is set. > As a result, the card will be powered down after boot, and will only > be powered up again when a driver is loaded (and then it's up to the > driver to decide whether power will be kept or not). > > This will prevent sdio_bus_probe() failures with setups that do not > support powering off the card. > > Reported-and-tested-by: Daniel Drake <dsd@xxxxxxxxxx> > Reported-and-tested-by: Arnd Hannemann <arnd@xxxxxxxxxx> > Signed-off-by: Ohad Ben-Cohen <ohad@xxxxxxxxxx> Thanks for doing this. Pushed to for-linus/mmc-next for 2.6.37; I'll send a pull request once we have the fix for the 8-bit MMC regression lined up too. -- Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/> One Laptop Per Child -- 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
