mmc: dw_mmc: change the callback function name.

To prevent the confusion, use the get_mmc_clk() instead of mmc_clk().
get_mmc_clk() is more exactly name.
Signed-off-by: NJaehoon Chung <jh80.chung@samsung.com>
Acked-by: NPantelis Antoniou <panto@antoniou-consulting.com>

drivers/mmc/dw_mmc.c

@@ -220,12 +220,12 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
 	if ((freq == host->clock) || (freq == 0))
 		return 0;
 	/*
-	 * If host->mmc_clk didn't define,
+	 * If host->get_mmc_clk didn't define,
 	 * then assume that host->bus_hz is source clock value.
 	 * host->bus_hz should be set from user.
 	 */
-	if (host->mmc_clk)
-		sclk = host->mmc_clk(host->dev_index);
+	if (host->get_mmc_clk)
+		sclk = host->get_mmc_clk(host->dev_index);
 	else if (host->bus_hz)
 		sclk = host->bus_hz;
 	else {

drivers/mmc/exynos_dw_mmc.c

@@ -74,7 +74,7 @@ int exynos_dwmci_add_port(int index, u32 regbase, int bus_width, u32 clksel)
 
 	host->clksel = exynos_dwmci_clksel;
 	host->dev_index = index;
-	host->mmc_clk = exynos_dwmci_get_clk;
+	host->get_mmc_clk = exynos_dwmci_get_clk;
 	/* Add the mmc channel to be registered with mmc core */
 	if (add_dwmci(host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ)) {
 		debug("dwmmc%d registration failed\n", index);

include/dwmmc.h

@@ -138,7 +138,7 @@ struct dwmci_host {
 	struct mmc *mmc;
 
 	void (*clksel)(struct dwmci_host *host);
-	unsigned int (*mmc_clk)(int dev_index);
+	unsigned int (*get_mmc_clk)(int dev_index);
 };
 
 struct dwmci_idmac {