Until the driver is corrected to stop using mach/at91isam9_smc.h, it won't
compile in a ARCH_MULTIPLATFORM configuration.
Suggested-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: NTejun Heo <tj@kernel.org>