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



This reverts commit 787b0d5c 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>

parent 0a5ccc86

arch/arm/mm/init.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;