Commit 08256712 authored Jun 22, 2011 by Dimitris Papastamos Committed by Samuel Ortiz Jul 31, 2011

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>

parent 59dead5a

drivers/mfd/wm831x-irq.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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.