Hi, On Thu, Sep 15 2011, Ulf Hansson wrote: > From: Stefan Nilsson XK <stefan.xk.nilsson@xxxxxxxxxxxxxx> > > Earlier all cards where initiated with bus mode set as OPENDRAIN, and then > later switched to PUSHPULL. According to the MMC/SD/SDIO specifications only > MMC cards use OPENDRAIN during init. For both SD and SDIO the bus mode shall > be PUSHPULL before attempting to init the card. > > The consequence of having incorrect bus mode can lead to not being able > to detect the card. Therefore the default behavior have now been changed to > PUSHPULL in mmc_power_up, and will only be temporarily switched when trying > to attach or init a MMC card. > > Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@xxxxxxxxxxxxxx> > Signed-off-by: Ulf HANSSON <ulf.hansson@xxxxxxxxxxxxxx> Thanks, pushed to mmc-next for 3.2 with Linus W's ACK. - Chris. -- 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
