From 98204836a4051c9c89a38eb1f72c859aeae3f140 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 18 May 2016 18:06:40 +0200 Subject: [PATCH] ar71xx: fix register address calculation for DDR flushing Signed-off-by: Felix Fietkau --- ...egister-address-in-ath79_ddr_wb_flus.patch | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 target/linux/ar71xx/patches-4.4/103-MIPS-ath79-fix-register-address-in-ath79_ddr_wb_flus.patch diff --git a/target/linux/ar71xx/patches-4.4/103-MIPS-ath79-fix-register-address-in-ath79_ddr_wb_flus.patch b/target/linux/ar71xx/patches-4.4/103-MIPS-ath79-fix-register-address-in-ath79_ddr_wb_flus.patch new file mode 100644 index 000000000000..611344dea3bb --- /dev/null +++ b/target/linux/ar71xx/patches-4.4/103-MIPS-ath79-fix-register-address-in-ath79_ddr_wb_flus.patch @@ -0,0 +1,23 @@ +From: Felix Fietkau +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 +Fixes: 24b0e3e84fbf ("MIPS: ath79: Improve the DDR controller interface") +Signed-off-by: Felix Fietkau +--- + +--- 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); -- 2.30.2