Unverified Commit b40c2021 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13802 pinctrl: ocelot: fix system hang on level based interrupts 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zeng Heng <zengheng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ULLLMJJBBYIFF6CEN6Y6ZS6PZZZWWZ7L/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB2YX2 
 
Link:https://gitee.com/openeuler/kernel/pulls/13802

 

Reviewed-by: default avatarWang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: default avatarLi Nan <linan122@huawei.com>
Signed-off-by: default avatarLi Nan <linan122@huawei.com>
parents 1a47bbfa 57cb0541

drivers/pinctrl/pinctrl-ocelot.c

+3 −4
Original line number Diff line number Diff line
@@ -1097,22 +1097,21 @@ static void ocelot_irq_handler(struct irq_desc *desc) 
	unsigned int reg = 0, irq, i;

	unsigned long irqs;



	chained_irq_enter(parent_chip, desc);



	for (i = 0; i < info->stride; i++) {

		regmap_read(info->map, id_reg + 4 * i, &reg);

		if (!reg)

			continue;



		chained_irq_enter(parent_chip, desc);



		irqs = reg;



		for_each_set_bit(irq, &irqs,

				 min(32U, info->desc->npins - 32 * i))

			generic_handle_irq(irq_linear_revmap(chip->irq.domain,

							     irq + 32 * i));



		chained_irq_exit(parent_chip, desc);

	}

	chained_irq_exit(parent_chip, desc);

}



static int ocelot_gpiochip_register(struct platform_device *pdev,