From: Ryan QIAN Date: Mon, 13 Feb 2012 05:41:29 +0000 (+0800) Subject: ENGR00174311: [MX6Q]USDHC: SD3.0 card failed to work X-Git-Tag: v3.0.35-fsl~1488 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fd82a0c47868416dbdaaa0f65299c98c9c1af39f;p=karo-tx-linux.git ENGR00174311: [MX6Q]USDHC: SD3.0 card failed to work - add auto_tune back on pretuning to improve compatibility. Signed-off-by: Ryan QIAN --- diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index af2c7fc4e3ab..90c4b20f4f58 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -260,6 +260,7 @@ void esdhc_prepare_tuning(struct sdhci_host *host, u32 val) reg = readl(host->ioaddr + SDHCI_MIX_CTRL); reg |= SDHCI_MIX_CTRL_EXE_TUNE | \ SDHCI_MIX_CTRL_SMPCLK_SEL | \ + SDHCI_MIX_CTRL_AUTO_TUNE | \ SDHCI_MIX_CTRL_FBCLK_SEL; writel(reg, host->ioaddr + SDHCI_MIX_CTRL); writel((val << 8), host->ioaddr + SDHCI_TUNE_CTRL_STATUS);