On Fri, Apr 25, 2014 at 03:08:49PM +0200, Markus Pargmann wrote: > I just tried the different parts of the patch. Without the following > change, emmc works: > > --- a/drivers/mmc/host/sdhci.c > +++ b/drivers/mmc/host/sdhci.c > @@ -1507,12 +1507,6 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) > host->ops->set_clock(host, host->clock); > } > > - > - /* Reset SD Clock Enable */ > - clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); > - clk &= ~SDHCI_CLOCK_CARD_EN; > - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); > - So the bit which stops us violating the SD spec stops eMMC from working... that's... just great. Okay, I'll look deeper at this and see what can be done, but I suspect it will turn out to require more patches and be more invasive. -- FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly improving, and getting towards what was expected from it. -- 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
