tree 88f05b0859830c331cfbff0c1908ac701d8e2a06
parent 19f949f52599ba7c3f67a5897ac6be14bfcb1200
author James Hogan <james.hogan@imgtec.com> 1353687185 +0000
committer James Hogan <james.hogan@imgtec.com> 1362254954 +0000

asm-generic/io.h: check CONFIG_VIRT_TO_BUS

Make asm-generic/io.h check CONFIG_VIRT_TO_BUS before defining
virt_to_bus() and bus_to_virt(), otherwise it's easy to accidentally
have a silently failing incorrect direct mapped definition rather then
no definition at all.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>