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Subject[PATCH 09/12] gpio: sodaville: use resource management for irqs
Date
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 <bgolaszewski@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
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