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

Wire up ARCH_NO_VIRT_TO_BUS, and kill off the remaining users. The
dma-mapping code really wanted virt_to_phys()/phys_to_virt() anyways,
there are no inherently special bus addresses.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0a631d0f75f1..ec2beabb193c 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -90,6 +90,9 @@ config ARCH_HAS_ILOG2_U64
         bool
         default n
 
+config ARCH_NO_VIRT_TO_BUS
+        def_bool y
+
 source "init/Kconfig"
 
 menu "System type"