Revert "ARM: 7908/1: mm: Fix the arm_dma_limit calculation"

This reverts commit 787b0d5c1ca7ff24feb6f92e4c7f4410ee7d81a8 since
it is no longer required after 7909/1 was applied, and it causes
build regressions when ARM_PATCH_PHYS_VIRT is disabled and DMA_ZONE
is enabled.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 1f7b19a..3e8f106 100644 (file)
--- 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 = __pv_phys_offset + arm_dma_zone_size - 1;
+               arm_dma_limit = PHYS_OFFSET + arm_dma_zone_size - 1;
        } else
                arm_dma_limit = 0xffffffff;
        arm_dma_pfn_limit = arm_dma_limit >> PAGE_SHIFT;