#include <linux/of_device.h>
#include <linux/clk.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/irqchip/chained_irq.h>
/*
* GPIO unit register offsets.
static void mvebu_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
{
struct mvebu_gpio_chip *mvchip = irq_get_handler_data(irq);
+ struct irq_chip *chip = irq_desc_get_chip(desc);
u32 cause, type;
int i;
if (mvchip == NULL)
return;
+ chained_irq_enter(chip, desc);
+
cause = readl_relaxed(mvebu_gpioreg_data_in(mvchip)) &
readl_relaxed(mvebu_gpioreg_level_mask(mvchip));
cause |= readl_relaxed(mvebu_gpioreg_edge_cause(mvchip)) &
polarity ^= 1 << i;
writel_relaxed(polarity, mvebu_gpioreg_in_pol(mvchip));
}
+
generic_handle_irq(irq);
}
+
+ chained_irq_exit(chip, desc);
}
#ifdef CONFIG_DEBUG_FS