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ARM: 8763/1: dma-mapping: Use vma_pages()

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Use vma_pages() function instead of open coding it.

Generated by scripts/coccinelle/api/vma_pages.cocci.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Fabio Estevam 2018-04-23 12:30:27 +01:00 committed by Russell King
parent 046835b4aa
commit a70c3ee34b
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mm/dma-mapping.c
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@ -845,7 +845,7 @@ static int __arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
unsigned long attrs)
{
int ret;
unsigned long nr_vma_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
unsigned long nr_vma_pages = vma_pages(vma);
unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
unsigned long pfn = dma_to_pfn(dev, dma_addr);
unsigned long off = vma->vm_pgoff;