Commit 08256712 authored by Dimitris Papastamos's avatar Dimitris Papastamos Committed by Samuel Ortiz
Browse files

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: default avatarDimitris Papastamos <dp@opensource.wolfsonmicro.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarSamuel 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.