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Commit de0d23c1 authored by Philipp Zabel's avatar Philipp Zabel Committed by Samuel Ortiz
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mfd: fix the asic3 irq demux code 



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: default avatarPhilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@openedhand.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 30250b45

drivers/mfd/asic3.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -137,7 +137,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) 
		for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {

		for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {

			/* They start at bit 4 and go up */

			/* They start at bit 4 and go up */

			if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) {

			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->handle_irq(asic->irq_base + i,

						 desc);

						 desc);

			}

			}