From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ye Li Date: Fri, 19 Feb 2021 11:25:32 -0800 Subject: [PATCH] mmc: fsl_esdhc_imx: fix the DTOCV to 0xE Message-ID: <1613762732-107438-1-git-send-email-ye.li@nxp.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Haibo Chen On imx6Q/imx6DL, we find if config the DTOCV to 0~3, it will impact cmd6 behavior, after cmd6 get transfer complete interrupt, the data0 line will keep low over 5 seconds. This should be a IC bug on imx6Q/DL. For other platforms, do not has this issue. To fix this issue, fix the DTOCV to 0xE, the max setting, this also align with Linux configuration. Signed-off-by: Haibo Chen Reviewed-by: Ye Li --- drivers/mmc/fsl_esdhc_imx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c index e0e1326..7b31ed8 100644 --- a/drivers/mmc/fsl_esdhc_imx.c +++ b/drivers/mmc/fsl_esdhc_imx.c @@ -43,6 +43,12 @@ #include "mmc_private.h" #endif +#ifndef ESDHCI_QUIRK_BROKEN_TIMEOUT_VALUE +#ifdef CONFIG_FSL_USDHC +#define ESDHCI_QUIRK_BROKEN_TIMEOUT_VALUE 1 +#endif +#endif + DECLARE_GLOBAL_DATA_PTR; #define SDHCI_IRQ_EN_BITS (IRQSTATEN_CC | IRQSTATEN_TC | \ -- 2.7.4