Merge remote-tracking branch 'regmap/topic/ack' into regmap-next

1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 1f6643ce216a..4149f1a9b003 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;