sh64: Kill off virt_to_bus()/bus_to_virt().

Follows the SH change.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh64/Kconfig b/arch/sh64/Kconfig
index ff65420..5664631 100644
--- a/arch/sh64/Kconfig
+++ b/arch/sh64/Kconfig
@@ -47,6 +47,9 @@
 	bool
 	default n
 
+config ARCH_NO_VIRT_TO_BUS
+	def_bool y
+
 source init/Kconfig
 
 menu "System type"
diff --git a/arch/sh64/kernel/pci-dma.c b/arch/sh64/kernel/pci-dma.c
index a36c3d7..a9328f8 100644
--- a/arch/sh64/kernel/pci-dma.c
+++ b/arch/sh64/kernel/pci-dma.c
@@ -30,7 +30,7 @@
 
 	if (vp != NULL) {
 		memset(vp, 0, size);
-		*dma_handle = virt_to_bus(ret);
+		*dma_handle = virt_to_phys(ret);
 		dma_cache_wback_inv((unsigned long)ret, size);
 	}
 
@@ -42,7 +42,7 @@
 {
 	void *alloc;
 
-	alloc = bus_to_virt((unsigned long)dma_handle);
+	alloc = phys_to_virt((unsigned long)dma_handle);
 	free_pages((unsigned long)alloc, get_order(size));
 
 	iounmap(vaddr);