tree e4ddd9047b0afea65ffc4422a56974efa2cfd389
parent 8484cb3c2a43c27879aa828b5cf8d8826c542814
author Neil Armstrong <narmstrong@baylibre.com> 1524822974 +0200
committer Tom Rini <trini@konsulko.com> 1525784860 -0400

regmap: add regmap_update_bits() helper

Add the regmap_update_bits() to simply the read/modify/write of registers
in a single command. The function is taken from Linux regmap
implementation.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Simon Glass <sjg@chromium.org>