thanks Kishore, please find my comments below:- On Mon, Jan 21, 2013 at 8:19 PM, Kishore Kadiyala <kishorek.kadiyala@xxxxxxxxx> wrote: > Hi Shashidhar Hiremath, > > > <snip> > >> >> mmc0:host doesn't support card's voltages >> set_ios invoked >> Poweroff Done >> >> mmc0: error -22 whilst initializing SDIO card > > Could you check whether the MMC host controller regulator is > configured properly . I am testing on an FPGA the power enabling is done through a PWREN register write. > >> eventhough I have inserted a SD card > > Which SD card you are using ? The card is a Kingston SD card. Does ocr_avail in driver have any connection with this. And Why is set_ios called with POWER_OFF > > <snip> > > Regards, > Kishore -- regards, Shashidhar Hiremath -- 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