[PATCH 09/12] gpio: sodaville: use resource management for irqs

[Bartosz Golaszewski]

Use device resource managed variants of irq_alloc_descs() and
request_irq() and remove the code manually freeing irq resources.

Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
 drivers/gpio/gpio-sodaville.c | 28 +++++++++++-----------------
 1 file changed, 11 insertions(+), 17 deletions(-)

diff --git a/drivers/gpio/gpio-sodaville.c b/drivers/gpio/gpio-sodaville.c
index 7da9e6c..f60da83 100644
--- a/drivers/gpio/gpio-sodaville.c
+++ b/drivers/gpio/gpio-sodaville.c
@@ -135,7 +135,8 @@ static int sdv_register_irqsupport(struct 
sdv_gpio_chip_data *sd,
        struct irq_chip_type *ct;
        int ret;
 
-       sd->irq_base = irq_alloc_descs(-1, 0, SDV_NUM_PUB_GPIOS, -1);
+       sd->irq_base = devm_irq_alloc_descs(&pdev->dev, -1, 0,
+                                           SDV_NUM_PUB_GPIOS, -1);
        if (sd->irq_base < 0)
                return sd->irq_base;
 
@@ -143,10 +144,11 @@ static int sdv_register_irqsupport(struct 
sdv_gpio_chip_data *sd,
        writel(0, sd->gpio_pub_base + GPIO_INT);
        writel((1 << 11) - 1, sd->gpio_pub_base + GPSTR);
 
-       ret = request_irq(pdev->irq, sdv_gpio_pub_irq_handler, IRQF_SHARED,
-                       "sdv_gpio", sd);
+       ret = devm_request_irq(&pdev->dev, pdev->irq,
+                              sdv_gpio_pub_irq_handler, IRQF_SHARED,
+                              "sdv_gpio", sd);
        if (ret)
-               goto out_free_desc;
+               return ret;
 
        /*
         * This gpio irq controller latches level irqs. Testing shows that if
@@ -155,10 +157,8 @@ static int sdv_register_irqsupport(struct 
sdv_gpio_chip_data *sd,
         */
        sd->gc = irq_alloc_generic_chip("sdv-gpio", 1, sd->irq_base,
                        sd->gpio_pub_base, handle_fasteoi_irq);
-       if (!sd->gc) {
-               ret = -ENOMEM;
-               goto out_free_irq;
-       }
+       if (!sd->gc)
+               return -ENOMEM;
 
        sd->gc->private = sd;
        ct = sd->gc->chip_types;
@@ -176,16 +176,10 @@ static int sdv_register_irqsupport(struct 
sdv_gpio_chip_data *sd,
 
        sd->id = irq_domain_add_legacy(pdev->dev.of_node, SDV_NUM_PUB_GPIOS,
                                sd->irq_base, 0, &irq_domain_sdv_ops, sd);
-       if (!sd->id) {
-               ret = -ENODEV;
-               goto out_free_irq;
-       }
+       if (!sd->id)
+               return -ENODEV;
+
        return 0;
-out_free_irq:
-       free_irq(pdev->irq, sd);
-out_free_desc:
-       irq_free_descs(sd->irq_base, SDV_NUM_PUB_GPIOS);
-       return ret;
 }
 
 static int sdv_gpio_probe(struct pci_dev *pdev,
-- 
2.9.3