mfd: Ignore non-GPIO IRQs when setting wm831x IRQ types
The driver was originally tested with an additional patch which
made this unneeded but that patch had issuges and got lost on the
way to mainline, causing problems when the errors are reported.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Cc: stable@kernel.org
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index 7dabe4d..294183b 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -394,8 +394,13 @@
irq = irq - wm831x->irq_base;
- if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11)
- return -EINVAL;
+ if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) {
+ /* Ignore internal-only IRQs */
+ if (irq >= 0 && irq < WM831X_NUM_IRQS)
+ return 0;
+ else
+ return -EINVAL;
+ }
switch (type) {
case IRQ_TYPE_EDGE_BOTH: