diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-05 17:10:15 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-05 17:13:31 +0100 |
| commit | 209a600623cf13a8168b2f6b83643db7825abb9a (patch) | |
| tree | 4e18c677d51bbdf6fc8771ca13b38c74431f1e4a | |
| parent | regmap: Report if we actually handled an interrupt in regmap-irq (diff) | |
| download | linux-209a600623cf13a8168b2f6b83643db7825abb9a.tar.xz linux-209a600623cf13a8168b2f6b83643db7825abb9a.zip | |
regmap: Add irq_base accessor to regmap_irq
Allows devices to discover their own interrupt without having to remember
it themselves.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | drivers/base/regmap/regmap-irq.c | 13 | ||||
| -rw-r--r-- | include/linux/regmap.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 6b8a74c3ed18..428836fc5835 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -287,3 +287,16 @@ void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d) kfree(d); } EXPORT_SYMBOL_GPL(regmap_del_irq_chip); + +/** + * regmap_irq_chip_get_base(): Retrieve interrupt base for a regmap IRQ chip + * + * Useful for drivers to request their own IRQs. + * + * @data: regmap_irq controller to operate on. + */ +int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data) +{ + return data->irq_base; +} +EXPORT_SYMBOL_GPL(regmap_irq_chip_get_base); diff --git a/include/linux/regmap.h b/include/linux/regmap.h index bd54cecdfdf8..e7e8953e8c2a 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -190,5 +190,6 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, int irq_base, struct regmap_irq_chip *chip, struct regmap_irq_chip_data **data); void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data); +int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data); #endif |