mfd: AB8500 mask off irrelevant bits from the SPI message
authorLinus Walleij <linus.walleij@stericsson.com>
Fri, 28 May 2010 00:59:44 +0000 (02:59 +0200)
committerSamuel Ortiz <sameo@linux.intel.com>
Thu, 12 Aug 2010 09:27:18 +0000 (11:27 +0200)
commitc0d4010e11e23d6f55f9bdda63b1974f35af71bf
tree862ea68bf95e6f8d57d8a94c2b24d1c48ff9298b
parenteb6e8ddf06ff0d6b6548ca0b95a4edfeb2aaadd0
mfd: AB8500 mask off irrelevant bits from the SPI message

The registers on the AB8500 are only 8 bits wide, so the content
of the remaining bits is undefined. Let's mask off the undefined
stuff when returning a register in an SPI read.

Acked-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
drivers/mfd/ab8500-spi.c