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authorDimitris Papastamos <dp@opensource.wolfsonmicro.com>2011-06-22 00:23:08 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2011-07-31 23:28:24 +0200
commit08256712a2705f3ced3e54c3728932c9c39b58ad (patch)
treedb99a1a5ed97be52334ac06f0525b2a3bb5d52e9 /drivers/mfd
parent59dead5a0c65abed0fe997a69692c11fcd0b11ca (diff)
downloadop-kernel-dev-08256712a2705f3ced3e54c3728932c9c39b58ad.zip
op-kernel-dev-08256712a2705f3ced3e54c3728932c9c39b58ad.tar.gz
mfd: Fix off by one in WM831x IRQ code
The GPIO IRQs aren't the first IRQs defined, we need to subtract the base for the GPIOs as well to use them for array indexes. Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/wm831x-irq.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index 1808deb..6c3408c 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -408,6 +408,11 @@ static int wm831x_irq_set_type(struct irq_data *data, unsigned int type)
return -EINVAL;
}
+ /* Rebase the IRQ into the GPIO range so we've got a sensible array
+ * index.
+ */
+ irq -= WM831X_IRQ_GPIO_1;
+
/* We set the high bit to flag that we need an update; don't
* do the update here as we can be called with the bus lock
* held.
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