dm: mmc: dwmmc: use the callback functions as static

There are no places to call these functions.
It should be used the callback function.
Then it can be used as static functions.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/mmc/dw_mmc.c

@@ -182,7 +182,7 @@ static int dwmci_set_transfer_mode(struct dwmci_host *host,
 }
 
 #ifdef CONFIG_DM_MMC_OPS
-int dwmci_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
+static int dwmci_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
 		   struct mmc_data *data)
 {
 	struct mmc *mmc = mmc_get_mmc_dev(dev);
@@ -381,7 +381,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
 }
 
 #ifdef CONFIG_DM_MMC_OPS
-int dwmci_set_ios(struct udevice *dev)
+static int dwmci_set_ios(struct udevice *dev)
 {
 	struct mmc *mmc = mmc_get_mmc_dev(dev);
 #else

include/dwmmc.h

@@ -295,9 +295,6 @@ int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk);
 
 #ifdef CONFIG_DM_MMC_OPS
 /* Export the operations to drivers */
-int dwmci_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
-		   struct mmc_data *data);
-int dwmci_set_ios(struct udevice *dev);
 int dwmci_probe(struct udevice *dev);
 extern const struct dm_mmc_ops dm_dwmci_ops;
 #endif