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| author | Dong Aisheng <aisheng.dong@nxp.com> | 2016-07-12 07:46:23 (GMT) |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-07-25 08:34:58 (GMT) |
| commit | 19dbfdd3d5152daf86cd79beb14544a2ffab8090 (patch) | |
| tree | 6dd261ecb469e50250541537f4432b5c23ac2b4a | |
| parent | 2b16cf326b70fdf6ccd2ae87807bb006487dbb85 (diff) | |
| download | linux-19dbfdd3d5152daf86cd79beb14544a2ffab8090.tar.xz | |
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 <aisheng.dong@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index c5adf4b..e5b5d1c 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); } |