diff options
Diffstat (limited to 'include/linux/regmap.h')
-rw-r--r-- | include/linux/regmap.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index e55907804d39..c9e5fb197eb6 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -497,11 +497,13 @@ struct regmap_irq { * * @status_base: Base status register address. * @mask_base: Base mask register address. - * @ack_base: Base ack address. If zero then the chip is clear on read. + * @ack_base: Base ack address. If zero then the chip is clear on read. + * Using zero value is possible with @use_ack bit. * @wake_base: Base address for wake enables. If zero unsupported. * @irq_reg_stride: Stride to use for chips where registers are not contiguous. * @init_ack_masked: Ack all masked interrupts once during initalization. * @mask_invert: Inverted mask register: cleared bits are masked out. + * @use_ack: Use @ack register even if it is zero. * @wake_invert: Inverted wake register: cleared bits are wake enabled. * @runtime_pm: Hold a runtime PM lock on the device when accessing it. * @@ -520,6 +522,7 @@ struct regmap_irq_chip { unsigned int irq_reg_stride; bool init_ack_masked:1; bool mask_invert:1; + bool use_ack:1; bool wake_invert:1; bool runtime_pm:1; |