x86: merge iommu initialization parameters
we merge the iommu initialization parameters in pci-dma.c
Nice thing, that both architectures at least recognize the same
parameters.
usedac i386 parameter is marked for deprecation
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index d82517d..7580736 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -15,6 +15,7 @@
extern struct device fallback_dev;
extern int panic_on_overflow;
extern int forbid_dac;
+extern int force_iommu;
struct dma_mapping_ops {
int (*mapping_error)(dma_addr_t dma_addr);