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ar71xx: fix register address calculation for DDR flushing

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2016-05-18 18:06:40 +02:00
parent 021c893658
commit 98204836a4
1 changed files with 23 additions and 0 deletions
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target/linux/ar71xx/patches-4.4/103-MIPS-ath79-fix-register-address-in-ath79_ddr_wb_flus.patch Normal file
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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
@@ -59,7 +59,7 @@ 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);