The correct type-signature of 'do_smbus_write_byte' is:
int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val)
and so storing the return type in a 'u32' is inappropriate, leading
to a tautological compare of 'ret < 0' and 'err < 0'.
Change-Id: I65486df7156c70af84fa00c336142d9a45998620
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/8209
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
660ec7cfdf