regmap: irq: add chip option mask_writeonly

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Some irq controllers have writeonly/multipurpose register layouts. In
those cases we read invalid data back. Here we add the option
mask_writeonly as masking option.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Michael Grzeschik 2017-06-23 14:35:09 +02:00 • committed by Mark Brown

parent 63c73b059c

commit a71411dbf6

2 changed files with 27 additions and 15 deletions

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include/linux/regmap.h

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