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path: root/drivers/pinctrl/intel/pinctrl-cherryview.c
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Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-cherryview.c')
-rw-r--r--drivers/pinctrl/intel/pinctrl-cherryview.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index bf049d1bbb87..33fdcd3bcf72 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -147,6 +147,7 @@ struct chv_pin_context {
* @pctldesc: Pin controller description
* @pctldev: Pointer to the pin controller device
* @chip: GPIO chip in this pin controller
+ * @irqchip: IRQ chip in this pin controller
* @regs: MMIO registers
* @intr_lines: Stores mapping between 16 HW interrupt wires and GPIO
* offset (in GPIO number space)
@@ -162,6 +163,7 @@ struct chv_pinctrl {
struct pinctrl_desc pctldesc;
struct pinctrl_dev *pctldev;
struct gpio_chip chip;
+ struct irq_chip irqchip;
void __iomem *regs;
unsigned intr_lines[16];
const struct chv_community *community;
@@ -1466,27 +1468,21 @@ static int chv_gpio_irq_type(struct irq_data *d, unsigned int type)
return 0;
}
-static struct irq_chip chv_gpio_irqchip = {
- .name = "chv-gpio",
- .irq_startup = chv_gpio_irq_startup,
- .irq_ack = chv_gpio_irq_ack,
- .irq_mask = chv_gpio_irq_mask,
- .irq_unmask = chv_gpio_irq_unmask,
- .irq_set_type = chv_gpio_irq_type,
- .flags = IRQCHIP_SKIP_SET_WAKE,
-};
-
static void chv_gpio_irq_handler(struct irq_desc *desc)
{
struct gpio_chip *gc = irq_desc_get_handler_data(desc);
struct chv_pinctrl *pctrl = gpiochip_get_data(gc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long pending;
+ unsigned long flags;
u32 intr_line;
chained_irq_enter(chip, desc);
+ raw_spin_lock_irqsave(&chv_lock, flags);
pending = readl(pctrl->regs + CHV_INTSTAT);
+ raw_spin_unlock_irqrestore(&chv_lock, flags);
+
for_each_set_bit(intr_line, &pending, pctrl->community->nirqs) {
unsigned irq, offset;
@@ -1615,7 +1611,15 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq)
}
}
- ret = gpiochip_irqchip_add(chip, &chv_gpio_irqchip, 0,
+ pctrl->irqchip.name = "chv-gpio";
+ pctrl->irqchip.irq_startup = chv_gpio_irq_startup;
+ pctrl->irqchip.irq_ack = chv_gpio_irq_ack;
+ pctrl->irqchip.irq_mask = chv_gpio_irq_mask;
+ pctrl->irqchip.irq_unmask = chv_gpio_irq_unmask;
+ pctrl->irqchip.irq_set_type = chv_gpio_irq_type;
+ pctrl->irqchip.flags = IRQCHIP_SKIP_SET_WAKE;
+
+ ret = gpiochip_irqchip_add(chip, &pctrl->irqchip, 0,
handle_bad_irq, IRQ_TYPE_NONE);
if (ret) {
dev_err(pctrl->dev, "failed to add IRQ chip\n");
@@ -1632,7 +1636,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq)
}
}
- gpiochip_set_chained_irqchip(chip, &chv_gpio_irqchip, irq,
+ gpiochip_set_chained_irqchip(chip, &pctrl->irqchip, irq,
chv_gpio_irq_handler);
return 0;
}
@@ -1663,7 +1667,6 @@ static int chv_pinctrl_probe(struct platform_device *pdev)
{
struct chv_pinctrl *pctrl;
struct acpi_device *adev;
- struct resource *res;
acpi_status status;
int ret, irq, i;
@@ -1693,8 +1696,7 @@ static int chv_pinctrl_probe(struct platform_device *pdev)
return -ENOMEM;
#endif
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- pctrl->regs = devm_ioremap_resource(&pdev->dev, res);
+ pctrl->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(pctrl->regs))
return PTR_ERR(pctrl->regs);