mmc: sdhci: add the get_cd callback function in sdhci_ops

Some SoCs can have their own card dect scheme.
Then they may use this get_cd callback function after implementing init
in their drivers.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/include/sdhci.h b/include/sdhci.h
index 144570f2be9662d43015f1a817adaa7ac6b97c79..0c0f48f493dbedf494f577d619d49fae133a4a7d 100644 (file)
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -235,6 +235,7 @@ struct sdhci_ops {
        void            (*write_w)(struct sdhci_host *host, u16 val, int reg);
        void            (*write_b)(struct sdhci_host *host, u8 val, int reg);
 #endif
+       int             (*get_cd)(struct sdhci_host *host);
 };
 
 struct sdhci_host {