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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-16 15:26:51 -0400
committerSamuel Ortiz <sameo@linux.intel.com>2010-09-29 04:14:52 -0400
commitc9d66d3515bbb0ad8062721487de7ade02d2b936 (patch)
treed5738f96fff1005af6627cb068d853d2efb4551f /drivers/mfd/wm831x-irq.c
parent899611ee7d373e5eeda08e9a8632684e1ebbbf00 (diff)
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
Diffstat (limited to 'drivers/mfd/wm831x-irq.c')
-rw-r--r--drivers/mfd/wm831x-irq.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index 7dabe4dbd373..294183b6260b 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -394,8 +394,13 @@ static int wm831x_irq_set_type(unsigned int irq, unsigned int type)
394 394
395 irq = irq - wm831x->irq_base; 395 irq = irq - wm831x->irq_base;
396 396
397 if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) 397 if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) {
398 return -EINVAL; 398 /* Ignore internal-only IRQs */
399 if (irq >= 0 && irq < WM831X_NUM_IRQS)
400 return 0;
401 else
402 return -EINVAL;
403 }
399 404
400 switch (type) { 405 switch (type) {
401 case IRQ_TYPE_EDGE_BOTH: 406 case IRQ_TYPE_EDGE_BOTH: