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

This reverts commit 787b0d5c1c 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>
This commit is contained in:
Russell King 2014-01-07 17:53:54 +00:00
parent 0a5ccc8650
commit 6bcac805ba
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mm/init.c
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@ -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;