powerpc: Kill unused swiotlb variable

We can kill unused swiotlb variable.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index e96cbbd9b449874e09dc38288abead50c8db1673..59c928564a038e490e260fb28862f022659d4d6f 100644 (file)
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -21,7 +21,6 @@
 #include <asm/dma.h>
 #include <asm/abs_addr.h>
 
-int swiotlb __read_mostly;
 unsigned int ppc_swiotlb_enable;
 
 /*