diff options
| author | Dong Aisheng <b29396@freescale.com> | 2014-01-13 16:26:19 +0800 |
|---|---|---|
| committer | Dong Aisheng <b29396@freescale.com> | 2014-01-15 15:05:59 +0800 |
| commit | b3004ac0a04de92da49549cf2a2ef31188abe5e0 (patch) | |
| tree | 4c5ae4c39ea9b96ced80d22bf3a8ce93c76f71f0 /drivers | |
| parent | 7b8d0abd46a4b2a3daba6fa0d7c4ee9d50748bf5 (diff) | |
ENGR00295184-3 mmc: sdhci-esdhc-imx: add keep power feature during suspend
IMX boards can keep power for cards during suspend.
User can enable it from device tree.
Signed-off-by: Dong Aisheng <b29396@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index adb5a8d6ab56..d2b9e2933844 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -941,6 +941,7 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct esdhc_platform_data *boarddata) { struct device_node *np = pdev->dev.of_node; + struct sdhci_host *host = platform_get_drvdata(pdev); if (!np) return -ENODEV; @@ -972,6 +973,9 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, if (of_property_read_u32(np, "fsl,delay-line", &boarddata->delay_line)) boarddata->delay_line = 0; + if (of_find_property(np, "keep-power-in-suspend", NULL)) + host->mmc->pm_caps |= MMC_PM_KEEP_POWER; + return 0; } #else |