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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-05 16:10:15 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-05 16:13:31 +0000
commit209a600623cf13a8168b2f6b83643db7825abb9a (patch)
tree4e18c677d51bbdf6fc8771ca13b38c74431f1e4a /drivers/base
parentd23511f9590870effa5ace575b59aac18c47175f (diff)
downloadop-kernel-dev-209a600623cf13a8168b2f6b83643db7825abb9a.zip
op-kernel-dev-209a600623cf13a8168b2f6b83643db7825abb9a.tar.gz
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>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/regmap/regmap-irq.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 6b8a74c..428836f 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);
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