Exynos5: DMC: Modify the definition of ddr3_mem_ctrl_init

Passing fewer arguments is better and mem_iv_size is never
used. Let's keep only one argument and make it cleaner.

Signed-off-by: Hatim Ali <hatim.rv@samsung.com>
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/cpu/armv7/exynos/dmc_common.c

@@ -162,7 +162,7 @@ void mem_ctrl_init(int reset)
 
 	/* If there are any other memory variant, add their init call below */
 	if (param->mem_type == DDR_MODE_DDR3) {
-		ret = ddr3_mem_ctrl_init(mem, param->mem_iv_size, reset);
+		ret = ddr3_mem_ctrl_init(mem, reset);
 		if (ret) {
 			/* will hang if failed to init memory control */
 			while (1)

arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c

@@ -28,8 +28,7 @@ static void reset_phy_ctrl(void)
 	writel(DDR3PHY_CTRL_PHY_RESET, &clk->lpddr3phy_ctrl);
 }
 
-int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
-		       int reset)
+int ddr3_mem_ctrl_init(struct mem_timings *mem, int reset)
 {
 	unsigned int val;
 	struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl;
@@ -221,8 +220,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 #endif
 
 #ifdef CONFIG_EXYNOS5420
-int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
-		       int reset)
+int ddr3_mem_ctrl_init(struct mem_timings *mem, int reset)
 {
 	struct exynos5420_clock *clk =
 		(struct exynos5420_clock *)samsung_get_base_clock();
@@ -244,7 +242,6 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
 	tzasc0 = (struct exynos5420_tzasc *)samsung_get_base_dmc_tzasc();
 	tzasc1 = (struct exynos5420_tzasc *)(samsung_get_base_dmc_tzasc()
 							+ DMC_OFFSET);
-
 	/* Enable PAUSE for DREX */
 	setbits_le32(&clk->pause, ENABLE_BIT);
 

arch/arm/cpu/armv7/exynos/exynos5_setup.h

@@ -890,16 +890,11 @@ enum {
 /*
  * Memory variant specific initialization code for DDR3
  *
- * @param mem		Memory timings for this memory type.
- * @param mem_iv_size	Memory interleaving size is a configurable parameter
- *			which the DMC uses to decide how to split a memory
- *			chunk into smaller chunks to support concurrent
- *			accesses; may vary across boards.
+ * @param mem          Memory timings for this memory type.
  * @param reset         Reset DDR PHY during initialization.
  * @return 0 if ok, SETUP_ERR_... if there is a problem
  */
-int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
-			int reset);
+int ddr3_mem_ctrl_init(struct mem_timings *mem, int reset);
 
 /* Memory variant specific initialization code for LPDDR3 */
 void lpddr3_mem_ctrl_init(void);