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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-24 15:41:19 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-08-07 20:29:45 +0100 |
| commit | 0c00c50b41a9a6ee83eb16fb5c6c22e5115391b8 (patch) | |
| tree | 12a30d730032a46fac0793fea2ba30ef900b4d4f /include/linux/regmap.h | |
| parent | 40052ca0c243d101cfadd65936f60ef81df10b02 (diff) | |
| download | lwn-0c00c50b41a9a6ee83eb16fb5c6c22e5115391b8.tar.gz lwn-0c00c50b41a9a6ee83eb16fb5c6c22e5115391b8.zip | |
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/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 2 |
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; |