regmap: irq: Enable devices for runtime PM while handling interrupts
Some devices need to have a runtime PM reference while handling interrupts
to ensure that the register I/O is available. Support this with a flag in
the chip.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 7f7e00d..9c4c9c67 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -285,6 +285,7 @@
* @ack_base: Base ack address. If zero then the chip is clear on read.
* @wake_base: Base address for wake enables. If zero unsupported.
* @irq_reg_stride: Stride to use for chips where registers are not contiguous.
+ * @runtime_pm: Hold a runtime PM lock on the device when accessing it.
*
* @num_regs: Number of registers in each control bank.
* @irqs: Descriptors for individual IRQs. Interrupt numbers are
@@ -299,6 +300,7 @@
unsigned int ack_base;
unsigned int wake_base;
unsigned int irq_reg_stride;
+ bool runtime_pm;
int num_regs;