rcar_gen3: drivers: ddr: Replace BITn with BIT(n) macro

Remove the ad-hoc BITn macros and replace them with generic BIT(n) macro.
No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I5d0b44d6cba5a69895fed505f6ff780d3574907f
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram.c b/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram.c
index 9c53074..89d666c 100644
--- a/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram.c
+++ b/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram.c
@@ -4221,10 +4221,10 @@
 	Thermal sensor setting
 	***********************************************************************/
 	dataL = mmio_read_32(CPG_MSTPSR5);
-	if (dataL & BIT22) {	/*  case THS/TSC Standby */
-		dataL &= ~(BIT22);
+	if (dataL & BIT(22)) {	/*  case THS/TSC Standby */
+		dataL &= ~(BIT(22));
 		cpg_write_32(CPG_SMSTPCR5, dataL);
-		while ((BIT22) & mmio_read_32(CPG_MSTPSR5));  /*  wait bit=0 */
+		while ((BIT(22)) & mmio_read_32(CPG_MSTPSR5));  /*  wait bit=0 */
 	}
 
 	/* THCTR Bit6: PONM=0 , Bit0: THSST=0   */
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c b/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c
index 0b10e5f..5d1b078 100644
--- a/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c
+++ b/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c
@@ -1623,12 +1623,7 @@
 #define PFC_PUD6	0xE6060458U
 #define GPIO_INDT5	0xE605500CU
 #define GPIO_INDT6	0xE605540CU
-
-#define BIT25 		BIT(25)
-#define BIT22 		BIT(22)
-#define BIT15 		BIT(15)
-#define BIT0  		BIT(0)
-#define GPIO_GPSR6 	(0xE6060118U)
+#define GPIO_GPSR6 	0xE6060118U
 
 #if (RCAR_GEN3_ULCB == 0)
 static void pfc_write_and_poll(uint32_t a, uint32_t v)
@@ -1659,17 +1654,17 @@
 	pud5_bak = mmio_read_32(PFC_PUD5);
 	dsb_sev();
 
-	dataL = (gpsr6_bak & ~BIT15);
+	dataL = (gpsr6_bak & ~BIT(15));
 	pfc_write_and_poll(GPIO_GPSR6, dataL);
 
 	/* Pull-Up/Down Enable (PUEN5[22]=1) */
 	dataL = puen5_bak;
-	dataL |= (BIT22);
+	dataL |= (BIT(22));
 	pfc_write_and_poll(PFC_PUEN5, dataL);
 
 	/* Pull-Down-Enable (PUD5[22]=0, PUEN5[22]=1) */
 	dataL = pud5_bak;
-	dataL &= ~(BIT22);
+	dataL &= ~(BIT(22));
 	pfc_write_and_poll(PFC_PUD5, dataL);
 	/* GPSR6[15]=SSI_WS6 */
 	rcar_micro_delay(10);
@@ -1678,7 +1673,7 @@
 
 	/* Pull-Up-Enable (PUD5[22]=1, PUEN5[22]=1) */
 	dataL = pud5_bak;
-	dataL |= (BIT22);
+	dataL |= (BIT(22));
 	pfc_write_and_poll(PFC_PUD5, dataL);
 
 	/* GPSR6[15]=SSI_WS6 */