From: Philipp Zabel <philipp.zabel@gmail.com>

Wrong irq numbers were given to desc->handle_irq, which on some devices
caused endless loops (asic3_irq_demux calling itself, basically).

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/mfd/asic3.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/mfd/asic3.c~mfd-fix-a-bug-in-the-asic3-irq-demux-code drivers/mfd/asic3.c
--- a/drivers/mfd/asic3.c~mfd-fix-a-bug-in-the-asic3-irq-demux-code
+++ a/drivers/mfd/asic3.c
@@ -137,7 +137,7 @@ static void asic3_irq_demux(unsigned int
 		for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {
 			/* They start at bit 4 and go up */
 			if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) {
-				desc = irq_desc +  + i;
+				desc = irq_desc + asic->irq_base + i;
 				desc->handle_irq(asic->irq_base + i,
 						 desc);
 			}
_