tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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ARM: mxs: acknowledge gpio irq

This fixes a machine hang after a gpio irq triggered.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

authored by

Uwe Kleine-König and committed by
Sascha Hauer 1f6b5dd4 5f804df3

+2
+2
arch/arm/mach-mxs/gpio.c
··· 139 139 struct mxs_gpio_port *port = (struct mxs_gpio_port *)get_irq_data(irq); 140 140 u32 gpio_irq_no_base = port->virtual_irq_start; 141 141 142 + desc->irq_data.chip->irq_ack(&desc->irq_data); 143 + 142 144 irq_stat = __raw_readl(port->base + PINCTRL_IRQSTAT(port->id)) & 143 145 __raw_readl(port->base + PINCTRL_IRQEN(port->id)); 144 146