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authorFelix Fietkau <nbd@nbd.name>2018-07-20 13:58:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-28 07:55:40 +0200
commit4c686d73bc3e090c8d8d55a07a1010955dcce9df (patch)
tree62e3bb0dd3cad64360b97c98a0721b53438d68f8
parent4168a84223646130203c7b566c27f9a74abef7ea (diff)
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MIPS: ath79: fix register address in ath79_ddr_wb_flush()
commit bc88ad2efd11f29e00a4fd60fcd1887abfe76833 upstream. ath79_ddr_wb_flush_base has the type void __iomem *, so register offsets need to be a multiple of 4 in order to access the intended register. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Fixes: 24b0e3e84fbf ("MIPS: ath79: Improve the DDR controller interface") Patchwork: https://patchwork.linux-mips.org/patch/19912/ Cc: Alban Bedel <albeu@free.fr> Cc: James Hogan <jhogan@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org # 4.2+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/mips/ath79/common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/ath79/common.c b/arch/mips/ath79/common.c
index 10a405d593df..c782b10ddf50 100644
--- 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);