[PATCH V2 14/15] mmc: sdhci-esdhci-imx: re-initialize hw state after resume

Dong Aisheng aisheng.dong at nxp.com
Tue Jul 12 00:46:23 PDT 2016


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 <aisheng.dong at nxp.com>
---
 drivers/mmc/host/sdhci-esdhc-imx.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

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);
 }
-- 
1.9.1




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