mmc: dw_mmc: remove the exynos specific code in dw-mmc.c

dw-mmc.c is the general driver file.
So, remove the exynos specific code at dw-mmc.c.
Instead, exynos specific cod can be move into exynos-dw_mmc.c.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Acked-by: Minkyu Kang <mk7.kang@samsung.com>

drivers/mmc/dw_mmc.c

@@ -11,7 +11,6 @@
 #include <mmc.h>
 #include <dwmmc.h>
 #include <asm-generic/errno.h>
-#include <asm/arch/dwmmc.h>
 
 #define PAGE_SIZE 4096
 
@@ -302,15 +301,8 @@ static int dwmci_init(struct mmc *mmc)
 	struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
 	u32 fifo_size;
 
-	if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) {
-		dwmci_writel(host, EMMCP_MPSBEGIN0, 0);
-		dwmci_writel(host, EMMCP_SEND0, 0);
-		dwmci_writel(host, EMMCP_CTRL0,
-			     MPSCTRL_SECURE_READ_BIT |
-			     MPSCTRL_SECURE_WRITE_BIT |
-			     MPSCTRL_NON_SECURE_READ_BIT |
-			     MPSCTRL_NON_SECURE_WRITE_BIT | MPSCTRL_VALID);
-	}
+	if (host->board_init)
+		host->board_init(host);
 
 	dwmci_writel(host, DWMCI_PWREN, 1);
 

drivers/mmc/exynos_dw_mmc.c

@@ -34,6 +34,19 @@ unsigned int exynos_dwmci_get_clk(int dev_index)
 	return get_mmc_clk(dev_index);
 }
 
+static void exynos_dwmci_board_init(struct dwmci_host *host)
+{
+	if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) {
+		dwmci_writel(host, EMMCP_MPSBEGIN0, 0);
+		dwmci_writel(host, EMMCP_SEND0, 0);
+		dwmci_writel(host, EMMCP_CTRL0,
+			     MPSCTRL_SECURE_READ_BIT |
+			     MPSCTRL_SECURE_WRITE_BIT |
+			     MPSCTRL_NON_SECURE_READ_BIT |
+			     MPSCTRL_NON_SECURE_WRITE_BIT | MPSCTRL_VALID);
+	}
+}
+
 /*
  * This function adds the mmc channel to be registered with mmc core.
  * index -	mmc channel number.
@@ -65,6 +78,7 @@ int exynos_dwmci_add_port(int index, u32 regbase, int bus_width, u32 clksel)
 #ifdef CONFIG_EXYNOS5420
 	host->quirks = DWMCI_QUIRK_DISABLE_SMU;
 #endif
+	host->board_init = exynos_dwmci_board_init;
 
 	if (clksel) {
 		host->clksel_val = clksel;

include/dwmmc.h

@@ -141,6 +141,7 @@ struct dwmci_host {
 	struct mmc *mmc;
 
 	void (*clksel)(struct dwmci_host *host);
+	void (*board_init)(struct dwmci_host *host);
 	unsigned int (*get_mmc_clk)(int dev_index);
 };