On Thu, Sep 15, 2011 at 5:50 PM, Ulf Hansson <ulf.hans...@stericsson.com> wrote:
> From: Stefan Nilsson XK <stefan.xk.nils...@stericsson.com> > > 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.nils...@stericsson.com> > Signed-off-by: Ulf HANSSON <ulf.hans...@stericsson.com> Looks solid to me, Acked-by: Linus Walleij <linus.wall...@linaro.org> Thanks, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
