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| author |   Michael Grzeschik <m.grzeschik@pengutronix.de> | 2017-06-23 14:35:09 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2017-06-28 20:11:07 +0100 |
| commit | a71411dbf6c82ba2eb2519717c04ffb19bc4dda5 (patch) | |
| tree | b2c38d143a0a48f15f0527abacc89d0ffe2a7b86 /include/linux/regmap.h | |
| parent | regmap: irq: allow to register one cell interrupt controllers (diff) | |
| download | linux-dev-a71411dbf6c82ba2eb2519717c04ffb19bc4dda5.tar.xz linux-dev-a71411dbf6c82ba2eb2519717c04ffb19bc4dda5.zip | |
regmap: irq: add chip option mask_writeonly
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>
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index e88649225a60..400172b59f24 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -884,6 +884,7 @@ struct regmap_irq { * * @status_base: Base status register address. * @mask_base: Base mask register address. + * @mask_writeonly: Base mask register is write only. * @unmask_base: Base unmask register address. for chips who have * separate mask and unmask registers * @ack_base: Base ack address. If zero then the chip is clear on read. @@ -927,6 +928,7 @@ struct regmap_irq_chip { unsigned int wake_base; unsigned int type_base; unsigned int irq_reg_stride; + bool mask_writeonly:1; bool init_ack_masked:1; bool mask_invert:1; bool use_ack:1; |