ARM: uniphier: rename DTCR_RNKEN_* register bit to DTCR_RANKEN_*

The bit 27-24 of the DTCR register is described as RANKEN in the
DDR PHY databook.  Follow this abbreviation.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/mach-uniphier/ddrphy/ddrphy-training.c

@@ -32,8 +32,8 @@ void ddrphy_prepare_training(struct ddrphy __iomem *phy, int rank)
 	/* Use Multi-Purpose Register for DQS gate training */
 	tmp |= DTCR_DTMPR;
 	/* Specify the rank enabled for data-training */
-	tmp &= ~DTCR_RNKEN_MASK;
-	tmp |= (1 << (DTCR_RNKEN_SHIFT + rank)) & DTCR_RNKEN_MASK;
+	tmp &= ~DTCR_RANKEN_MASK;
+	tmp |= (1 << (DTCR_RANKEN_SHIFT + rank)) & DTCR_RANKEN_MASK;
 	writel(tmp, p);
 }
 

arch/arm/mach-uniphier/include/mach/ddrphy-regs.h

@@ -147,8 +147,8 @@ struct ddrphy {
 #define DTCR_DTRANK_SHIFT	4		/* Data Training Rank */
 #define DTCR_DTRANK_MASK	(0x3 << (DTCR_DTRANK_SHIFT))
 #define DTCR_DTMPR		(1 << 6)	/* Data Training using MPR */
-#define DTCR_RNKEN_SHIFT	24		/* Rank Enable */
-#define DTCR_RNKEN_MASK		(0xf << (DTCR_RNKEN_SHIFT))
+#define DTCR_RANKEN_SHIFT	24		/* Rank Enable */
+#define DTCR_RANKEN_MASK	(0xf << (DTCR_RANKEN_SHIFT))
 
 #define DXGCR_WLRKEN_SHIFT	26		/* Write Level Rank Enable */
 #define DXGCR_WLRKEN_MASK	(0xf << (DXGCR_WLRKEN_SHIFT))