diff mbox series

pinctrl: bcm-iproc: Pass irqchip when adding gpiochip

Message ID 20190812132554.18313-1-linus.walleij@linaro.org
State Accepted
Commit 6f265e5d4da7a7de326ced5a7ef8f982dfd44390
Headers show
Series pinctrl: bcm-iproc: Pass irqchip when adding gpiochip | expand

Commit Message

Linus Walleij Aug. 12, 2019, 1:25 p.m. UTC
We need to convert all old gpio irqchips to pass the irqchip
setup along when adding the gpio_chip. For more info see
drivers/gpio/TODO.

For chained irqchips this is a pretty straight-forward
conversion.

Cc: Pramod Kumar <pramodku@broadcom.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

---
 drivers/pinctrl/bcm/pinctrl-iproc-gpio.c | 33 ++++++++++++++----------
 1 file changed, 19 insertions(+), 14 deletions(-)

-- 
2.21.0

Comments

Scott Branden Aug. 12, 2019, 4 p.m. UTC | #1
On 2019-08-12 6:25 a.m., Linus Walleij wrote:
> We need to convert all old gpio irqchips to pass the irqchip

> setup along when adding the gpio_chip. For more info see

> drivers/gpio/TODO.

>

> For chained irqchips this is a pretty straight-forward

> conversion.

>

> Cc: Pramod Kumar <pramodku@broadcom.com>

> Cc: Ray Jui <rjui@broadcom.com>

> Cc: Scott Branden <sbranden@broadcom.com>

> Cc: Thierry Reding <treding@nvidia.com>

> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Acked-by: Scott Branden <scott.branden@broadcom.com>

> ---

>   drivers/pinctrl/bcm/pinctrl-iproc-gpio.c | 33 ++++++++++++++----------

>   1 file changed, 19 insertions(+), 14 deletions(-)

>

> diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c

> index 18ff01727e0e..ee01306c62fa 100644

> --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c

> +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c

> @@ -780,6 +780,25 @@ static int iproc_gpio_probe(struct platform_device *pdev)

>   	chip->pinmux_is_supported = of_property_read_bool(dev->of_node,

>   							"gpio-ranges");

>   

> +	/* optional GPIO interrupt support */

> +	irq = platform_get_irq(pdev, 0);

> +	if (irq) {

> +		struct gpio_irq_chip *girq;

> +

> +		girq = &gc->irq;

> +		girq->chip = &iproc_gpio_irq_chip;

> +		girq->parent_handler = iproc_gpio_irq_handler;

> +		girq->num_parents = 1;

> +		girq->parents = devm_kcalloc(dev, 1,

> +					     sizeof(*girq->parents),

> +					     GFP_KERNEL);

> +		if (!girq->parents)

> +			return -ENOMEM;

> +		girq->parents[0] = irq;

> +		girq->default_type = IRQ_TYPE_NONE;

> +		girq->handler = handle_simple_irq;

> +	}

> +

>   	ret = gpiochip_add_data(gc, chip);

>   	if (ret < 0) {

>   		dev_err(dev, "unable to add GPIO chip\n");

> @@ -804,20 +823,6 @@ static int iproc_gpio_probe(struct platform_device *pdev)

>   		}

>   	}

>   

> -	/* optional GPIO interrupt support */

> -	irq = platform_get_irq(pdev, 0);

> -	if (irq) {

> -		ret = gpiochip_irqchip_add(gc, &iproc_gpio_irq_chip, 0,

> -					   handle_simple_irq, IRQ_TYPE_NONE);

> -		if (ret) {

> -			dev_err(dev, "no GPIO irqchip\n");

> -			goto err_rm_gpiochip;

> -		}

> -

> -		gpiochip_set_chained_irqchip(gc, &iproc_gpio_irq_chip, irq,

> -					     iproc_gpio_irq_handler);

> -	}

> -

>   	return 0;

>   

>   err_rm_gpiochip:
diff mbox series

Patch

diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
index 18ff01727e0e..ee01306c62fa 100644
--- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
+++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
@@ -780,6 +780,25 @@  static int iproc_gpio_probe(struct platform_device *pdev)
 	chip->pinmux_is_supported = of_property_read_bool(dev->of_node,
 							"gpio-ranges");
 
+	/* optional GPIO interrupt support */
+	irq = platform_get_irq(pdev, 0);
+	if (irq) {
+		struct gpio_irq_chip *girq;
+
+		girq = &gc->irq;
+		girq->chip = &iproc_gpio_irq_chip;
+		girq->parent_handler = iproc_gpio_irq_handler;
+		girq->num_parents = 1;
+		girq->parents = devm_kcalloc(dev, 1,
+					     sizeof(*girq->parents),
+					     GFP_KERNEL);
+		if (!girq->parents)
+			return -ENOMEM;
+		girq->parents[0] = irq;
+		girq->default_type = IRQ_TYPE_NONE;
+		girq->handler = handle_simple_irq;
+	}
+
 	ret = gpiochip_add_data(gc, chip);
 	if (ret < 0) {
 		dev_err(dev, "unable to add GPIO chip\n");
@@ -804,20 +823,6 @@  static int iproc_gpio_probe(struct platform_device *pdev)
 		}
 	}
 
-	/* optional GPIO interrupt support */
-	irq = platform_get_irq(pdev, 0);
-	if (irq) {
-		ret = gpiochip_irqchip_add(gc, &iproc_gpio_irq_chip, 0,
-					   handle_simple_irq, IRQ_TYPE_NONE);
-		if (ret) {
-			dev_err(dev, "no GPIO irqchip\n");
-			goto err_rm_gpiochip;
-		}
-
-		gpiochip_set_chained_irqchip(gc, &iproc_gpio_irq_chip, irq,
-					     iproc_gpio_irq_handler);
-	}
-
 	return 0;
 
 err_rm_gpiochip: