swiotlb: Remove the swiotlb variable usage
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>
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