Commit b9082287 authored Nov 03, 2016 by Shiraz Hashim Committed by Gerrit - the friendly Code Review server Nov 29, 2019

arm: dma-mapping: page align size before flush tlb



start and end must be page aligned while calling
flush_tlb_kernel_range else the last page may get
missed while invalidation.

Change-Id: I8fa689ea29ad35f5ae78ddef978f678d7e3355bc
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org>
Signed-off-by: Qingqing Zhou <qqzhou@codeaurora.org>

parent 30183777

arch/arm/mm/dma-mapping.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -916,6 +916,7 @@ static void arm_dma_unremap(struct device dev, void remapped_addr,
		unsigned int flags = VM_ARM_DMA_CONSISTENT \| VM_USERMAP;
		struct vm_struct *area;

		size = PAGE_ALIGN(size);
		remapped_addr = (void *)((unsigned long)remapped_addr & PAGE_MASK);

		area = find_vm_area(remapped_addr);