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path: root/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
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Diffstat (limited to 'drivers/pinctrl/mvebu/pinctrl-armada-37xx.c')
-rw-r--r--drivers/pinctrl/mvebu/pinctrl-armada-37xx.c34
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 261b46841b9f..67c6751a6f06 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/regmap.h>
+#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/string_helpers.h>
@@ -101,7 +102,6 @@ struct armada_37xx_pinctrl {
const struct armada_37xx_pin_data *data;
struct device *dev;
struct gpio_chip gpio_chip;
- struct irq_chip irq_chip;
raw_spinlock_t irq_lock;
struct pinctrl_desc pctl;
struct pinctrl_dev *pctl_dev;
@@ -548,6 +548,7 @@ static void armada_37xx_irq_mask(struct irq_data *d)
val = readl(info->base + reg);
writel(val & ~d->mask, info->base + reg);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
+ gpiochip_disable_irq(chip, irqd_to_hwirq(d));
}
static void armada_37xx_irq_unmask(struct irq_data *d)
@@ -557,6 +558,7 @@ static void armada_37xx_irq_unmask(struct irq_data *d)
u32 val, reg = IRQ_EN;
unsigned long flags;
+ gpiochip_enable_irq(chip, irqd_to_hwirq(d));
armada_37xx_irq_update_reg(&reg, d);
raw_spin_lock_irqsave(&info->irq_lock, flags);
val = readl(info->base + reg);
@@ -729,11 +731,30 @@ static unsigned int armada_37xx_irq_startup(struct irq_data *d)
return 0;
}
+static void armada_37xx_irq_print_chip(struct irq_data *d, struct seq_file *p)
+{
+ struct gpio_chip *chip = irq_data_get_irq_chip_data(d);
+ struct armada_37xx_pinctrl *info = gpiochip_get_data(chip);
+
+ seq_printf(p, info->data->name);
+}
+
+static const struct irq_chip armada_37xx_irqchip = {
+ .irq_ack = armada_37xx_irq_ack,
+ .irq_mask = armada_37xx_irq_mask,
+ .irq_unmask = armada_37xx_irq_unmask,
+ .irq_set_wake = armada_37xx_irq_set_wake,
+ .irq_set_type = armada_37xx_irq_set_type,
+ .irq_startup = armada_37xx_irq_startup,
+ .irq_print_chip = armada_37xx_irq_print_chip,
+ .flags = IRQCHIP_IMMUTABLE,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS,
+};
+
static int armada_37xx_irqchip_register(struct platform_device *pdev,
struct armada_37xx_pinctrl *info)
{
struct gpio_chip *gc = &info->gpio_chip;
- struct irq_chip *irqchip = &info->irq_chip;
struct gpio_irq_chip *girq = &gc->irq;
struct device_node *np = to_of_node(gc->fwnode);
struct device *dev = &pdev->dev;
@@ -751,14 +772,7 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
if (IS_ERR(info->base))
return PTR_ERR(info->base);
- irqchip->irq_ack = armada_37xx_irq_ack;
- irqchip->irq_mask = armada_37xx_irq_mask;
- irqchip->irq_unmask = armada_37xx_irq_unmask;
- irqchip->irq_set_wake = armada_37xx_irq_set_wake;
- irqchip->irq_set_type = armada_37xx_irq_set_type;
- irqchip->irq_startup = armada_37xx_irq_startup;
- irqchip->name = info->data->name;
- girq->chip = irqchip;
+ gpio_irq_chip_set_chip(girq, &armada_37xx_irqchip);
girq->parent_handler = armada_37xx_irq_handler;
/*
* Many interrupts are connected to the parent interrupt