diff options
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index c9a9bbbb6261..c9c9e39750ed 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -1467,9 +1467,10 @@ struct regmap_irq_sub_irq_map { * main_status set. * * @status_base: Base status register address. - * @mask_base: Base mask register address. - * @unmask_base: Base unmask register address. for chips who have - * separate mask and unmask registers + * @mask_base: Base mask register address. Mask bits are set to 1 when an + * interrupt is masked, 0 when unmasked. + * @unmask_base: Base unmask register address. Unmask bits are set to 1 when + * an interrupt is unmasked and 0 when masked. * @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. @@ -1481,6 +1482,16 @@ struct regmap_irq_sub_irq_map { * @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. + * Deprecated; prefer describing an inverted mask register as + * an unmask register. + * @mask_unmask_non_inverted: Controls mask bit inversion for chips that set + * both @mask_base and @unmask_base. If false, mask and unmask bits are + * inverted (which is deprecated behavior); if true, bits will not be + * inverted and the registers keep their normal behavior. Note that if + * you use only one of @mask_base or @unmask_base, this flag has no + * effect and is unnecessary. Any new drivers that set both @mask_base + * and @unmask_base should set this to true to avoid relying on the + * deprecated behavior. * @use_ack: Use @ack register even if it is zero. * @ack_invert: Inverted ack register: cleared bits for ack. * @clear_ack: Use this to set 1 and 0 or vice-versa to clear interrupts. @@ -1546,6 +1557,7 @@ struct regmap_irq_chip { unsigned int irq_reg_stride; unsigned int init_ack_masked:1; unsigned int mask_invert:1; + unsigned int mask_unmask_non_inverted:1; unsigned int use_ack:1; unsigned int ack_invert:1; unsigned int clear_ack:1; |