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swiotlb: Remove the swiotlb variable usage

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POWERPC doesn't expect it to be used.

This fixes the linux-next build failure reported by
Stephen Rothwell:

  lib/swiotlb.c: In function 'setup_io_tlb_npages':
  lib/swiotlb.c:114: error: 'swiotlb' undeclared (first use in this function)

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: peterz@infradead.org
LKML-Reference: <20091112000258F.fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
FUJITA Tomonori
2009-11-12 00:03:28 +09:00
committed by Ingo Molnar
parent b4941a9a60
commit b18485e7ac
4 changed files with 18 additions and 10 deletions
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5
arch/x86/kernel/pci-dma.c
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@@ -125,16 +125,13 @@ static void __init dma32_free_bootmem(void)
void __init pci_iommu_alloc(void)
{
/* swiotlb is forced by the boot option */
int use_swiotlb = swiotlb;
#ifdef CONFIG_X86_64
/* free the range so iommu could get some range less than 4G */
dma32_free_bootmem();
#else
dma_ops = &nommu_dma_ops;
#endif
pci_swiotlb_init();
if (use_swiotlb)
if (pci_swiotlb_init())
return;
gart_iommu_hole_init();