From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 18 May 2016 18:03:31 +0200
Subject: [PATCH] MIPS: ath79: fix register address in ath79_ddr_wb_flush()

ath79_ddr_wb_flush_base has the type void __iomem *, so register offsets
need to be a multiple of 4.

Cc: Alban Bedel <albeu@free.fr>
Fixes: 24b0e3e84fbf ("MIPS: ath79: Improve the DDR controller interface")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/arch/mips/ath79/common.c
+++ b/arch/mips/ath79/common.c
@@ -58,7 +58,7 @@ EXPORT_SYMBOL_GPL(ath79_ddr_ctrl_init);
 
 void ath79_ddr_wb_flush(u32 reg)
 {
-	void __iomem *flush_reg = ath79_ddr_wb_flush_base + reg;
+	void __iomem *flush_reg = ath79_ddr_wb_flush_base + reg * 4;
 
 	/* Flush the DDR write buffer. */
 	__raw_writel(0x1, flush_reg);