| Message ID | 1468309584-3591-15-git-send-email-aisheng.dong@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 12/07/16 10:46, Dong Aisheng wrote: > 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> > --- > 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); > } > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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); }
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> --- drivers/mmc/host/sdhci-esdhc-imx.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)