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authorSantosh Shilimkar <santosh.shilimkar@ti.com>2013-12-02 20:29:12 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-12-09 23:24:28 +0000
commit787b0d5c1ca7ff24feb6f92e4c7f4410ee7d81a8 (patch)
tree47b4343fff33ee4169ca0f2387e47bee9d56eb03 /arch/arm/mm
parent9f28cde0bc643186d32744ce69d12222e8588fe7 (diff)
downloadlinux-787b0d5c1ca7ff24feb6f92e4c7f4410ee7d81a8.tar.gz
ARM: 7908/1: mm: Fix the arm_dma_limit calculation
Current code is using PHYS_OFFSET to calculate the arm_dma_limit which will lead to wrong calculations in cases where PHYS_OFFSET is updated runtime. So fix the code by using __pv_phys_offset instead of PHYS_OFFSET. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 3e8f106ee5f..1f7b19a4706 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -229,7 +229,7 @@ void __init setup_dma_zone(const struct machine_desc *mdesc)
#ifdef CONFIG_ZONE_DMA
if (mdesc->dma_zone_size) {
arm_dma_zone_size = mdesc->dma_zone_size;
- arm_dma_limit = PHYS_OFFSET + arm_dma_zone_size - 1;
+ arm_dma_limit = __pv_phys_offset + arm_dma_zone_size - 1;
} else
arm_dma_limit = 0xffffffff;
arm_dma_pfn_limit = arm_dma_limit >> PAGE_SHIFT;