From: Giuseppe CAVALLARO Date: Thu, 13 Jun 2013 14:41:28 +0000 (+0200) Subject: mmc: sdhci: fix ctrl_2 on super-speed selection X-Git-Tag: v3.11-rc1~50^2~8 X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=599115686d8f62999a871f7d7ee87de3b939b258;p=cascardo%2Flinux.git mmc: sdhci: fix ctrl_2 on super-speed selection This patch fixes the HC ctrl_2 programming where, in case of SDR104 and HS200, we have to write 100b in the the UHS Mode bits. We wrote 101b that is reserved from Arasan Specs. Reported-by: Youssef Triki Signed-off-by: Giuseppe Cavallaro Signed-off-by: Chris Ball --- diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9bd6ab203843..3ad3973bdb33 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1543,16 +1543,15 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); /* Select Bus Speed Mode for host */ ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; - if (ios->timing == MMC_TIMING_MMC_HS200) - ctrl_2 |= SDHCI_CTRL_HS_SDR200; + if ((ios->timing == MMC_TIMING_MMC_HS200) || + (ios->timing == MMC_TIMING_UHS_SDR104)) + ctrl_2 |= SDHCI_CTRL_UHS_SDR104; else if (ios->timing == MMC_TIMING_UHS_SDR12) ctrl_2 |= SDHCI_CTRL_UHS_SDR12; else if (ios->timing == MMC_TIMING_UHS_SDR25) ctrl_2 |= SDHCI_CTRL_UHS_SDR25; else if (ios->timing == MMC_TIMING_UHS_SDR50) ctrl_2 |= SDHCI_CTRL_UHS_SDR50; - else if (ios->timing == MMC_TIMING_UHS_SDR104) - ctrl_2 |= SDHCI_CTRL_UHS_SDR104; else if (ios->timing == MMC_TIMING_UHS_DDR50) ctrl_2 |= SDHCI_CTRL_UHS_DDR50; sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);