From: Dong Aisheng Date: Tue, 12 Jul 2016 07:46:23 +0000 (+0800) Subject: mmc: sdhci-esdhci-imx: re-initialize hw state after resume X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=19dbfdd3d5152daf86cd79beb14544a2ffab8090;p=linux-beck.git mmc: sdhci-esdhci-imx: re-initialize hw state after resume sdhci_esdhc_imx_hwinit() includes all basic hw intialization. Calling it after resume to re-initialize hw in case its state is already lost in low power mode. Signed-off-by: Dong Aisheng Acked-by: Adrian Hunter Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index c5adf4ba4066..e5b5d1c3eb01 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1297,12 +1297,9 @@ static int sdhci_esdhc_suspend(struct device *dev) static int sdhci_esdhc_resume(struct device *dev) { struct sdhci_host *host = dev_get_drvdata(dev); - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host); - /* restore watermark setting in case it's lost in low power mode */ - if (esdhc_is_usdhc(imx_data)) - writel(ESDHC_WTMK_DEFAULT_VAL, host->ioaddr + ESDHC_WTMK_LVL); + /* re-initialize hw state in case it's lost in low power mode */ + sdhci_esdhc_imx_hwinit(host); return sdhci_pltfm_resume(dev); }