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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-07-24 15:41:19 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-07 20:29:45 +0100
commit0c00c50b41a9a6ee83eb16fb5c6c22e5115391b8 (patch)
tree12a30d730032a46fac0793fea2ba30ef900b4d4f /include
parent40052ca0c243d101cfadd65936f60ef81df10b02 (diff)
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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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/regmap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 7f7e00df3adf..9c4c9c673f38 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -285,6 +285,7 @@ struct regmap_irq {
* @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 @@ struct regmap_irq_chip {
unsigned int ack_base;
unsigned int wake_base;
unsigned int irq_reg_stride;
+ bool runtime_pm;
int num_regs;