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x86, swiotlb: Simplify pci_swiotlb_detect_override() 

At the end of the function, the local variable use_swiotlb has always
the same value as the global variable swiotlb. Hence drop the local
variable completely.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
zero-colors
Geert Uytterhoeven 2016-12-16 14:28:40 +01:00 committed by Konrad Rzeszutek Wilk
parent b5cab0da75
commit 6c206e4d99
1 changed files with 1 additions and 3 deletions
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4
arch/x86/kernel/pci-swiotlb.c
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@ -68,12 +68,10 @@ static struct dma_map_ops swiotlb_dma_ops = {
*/
int __init pci_swiotlb_detect_override(void)
{
int use_swiotlb = swiotlb | swiotlb_force;
if (swiotlb_force)
swiotlb = 1;
return use_swiotlb;
return swiotlb;
}
IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
pci_xen_swiotlb_detect,