mmc: sdhci-pltfm: Support optional pm properties

Add support for optional pm capabilities such as MMC_PM_KEEP_POWER
and MMC_PM_WAKE_SDIO_IRQ.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 27164457f861..c6c3b1243597 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -89,6 +89,12 @@ void sdhci_get_of_property(struct platform_device *pdev)
                 clk = of_get_property(np, "clock-frequency", &size);
                 if (clk && size == sizeof(*clk) && *clk)
                         pltfm_host->clock = be32_to_cpup(clk);
+
+                if (of_find_property(np, "keep-power-in-suspend", NULL))
+                        host->mmc->pm_caps |= MMC_PM_KEEP_POWER;
+
+                if (of_find_property(np, "enable-sdio-wakeup", NULL))
+                        host->mmc->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
         }
 }
 #else