Don't unconditionally dereference the WM97xx core platform data since
it may not be present, causing an oops.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>

Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>

Signed-off-by: NMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>

This patch converts the wm97xx-battery driver to use platform_data
supplied by ac97 bus.
Signed-off-by: NMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>

direct access of driver_data is going away.
Signed-off-by: NAlexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

This patch adds generic battery driver for wm97xx chips.
Signed-off-by: NMarek Vasut <marek.vasut@gmail.com>
Acked-by: NAnton Vorontsov <cbouatmailru@gmail.com>
Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>