This patch replaces the ugly bit-operations with the convenient
amba_rev macro from the get_fifosize_arm function. The type of
get_fifosize member function is also slightly changed to take
a pointer to the amba_device.
Signed-off-by: NJongsung Kim <neidhard.kim@lge.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>