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Commit 95f0bc9b authored by Linus Walleij's avatar Linus Walleij
Browse files

pinctrl/nomadik: use irq_find_mapping() 



The code was using a homegrown method of looking up the offset
from the irq domain, not to be encouraged. Use the proper
irq_find_mapping() call instead.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 6fd4011e

drivers/pinctrl/pinctrl-nomadik.c

+1 −3
Original line number Original line Diff line number Diff line
@@ -827,16 +827,14 @@ static void __nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc, 
{

{

	struct nmk_gpio_chip *nmk_chip;

	struct nmk_gpio_chip *nmk_chip;

	struct irq_chip *host_chip = irq_get_chip(irq);

	struct irq_chip *host_chip = irq_get_chip(irq);

	unsigned int first_irq;





	chained_irq_enter(host_chip, desc);

	chained_irq_enter(host_chip, desc);





	nmk_chip = irq_get_handler_data(irq);

	nmk_chip = irq_get_handler_data(irq);

	first_irq = nmk_chip->domain->revmap_data.legacy.first_irq;

	while (status) {

	while (status) {

		int bit = __ffs(status);

		int bit = __ffs(status);





		generic_handle_irq(first_irq + bit);

		generic_handle_irq(irq_find_mapping(nmk_chip->domain, bit));

		status &= ~BIT(bit);

		status &= ~BIT(bit);

	}

	}