diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2014-04-09 10:38:56 (GMT) |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-04-28 19:35:07 (GMT) |
| commit | 033f275236ec0a5ce54b73d5a4b3d0d46f155615 (patch) | |
| tree | 6aa2d3c61ce0068ac49ca02fbcab11d86fb908be | |
| parent | 1c8732bb0355b929b09173464cdca7df4d516f89 (diff) | |
| download | linux-033f275236ec0a5ce54b73d5a4b3d0d46f155615.tar.xz | |
gpio: tc3589x: use managed resources
Grab state container and irq using the devm_* functions and save
some lines of hairy clean-up code.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-tc3589x.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c index 1019320..113e50c 100644 --- a/drivers/gpio/gpio-tc3589x.c +++ b/drivers/gpio/gpio-tc3589x.c @@ -329,7 +329,8 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) if (irq < 0) return irq; - tc3589x_gpio = kzalloc(sizeof(struct tc3589x_gpio), GFP_KERNEL); + tc3589x_gpio = devm_kzalloc(&pdev->dev, sizeof(struct tc3589x_gpio), + GFP_KERNEL); if (!tc3589x_gpio) return -ENOMEM; @@ -354,23 +355,25 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_RSTCTRL_GPIRST, 0); if (ret < 0) - goto out_free; + return ret; ret = tc3589x_gpio_irq_init(tc3589x_gpio, np); if (ret) - goto out_free; + return ret; - ret = request_threaded_irq(irq, NULL, tc3589x_gpio_irq, IRQF_ONESHOT, - "tc3589x-gpio", tc3589x_gpio); + ret = devm_request_threaded_irq(&pdev->dev, + irq, NULL, tc3589x_gpio_irq, + IRQF_ONESHOT, "tc3589x-gpio", + tc3589x_gpio); if (ret) { dev_err(&pdev->dev, "unable to get irq: %d\n", ret); - goto out_free; + return ret; } ret = gpiochip_add(&tc3589x_gpio->chip); if (ret) { dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret); - goto out_freeirq; + return ret; } if (pdata && pdata->setup) @@ -379,12 +382,6 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tc3589x_gpio); return 0; - -out_freeirq: - free_irq(irq, tc3589x_gpio); -out_free: - kfree(tc3589x_gpio); - return ret; } static int tc3589x_gpio_remove(struct platform_device *pdev) @@ -392,7 +389,6 @@ static int tc3589x_gpio_remove(struct platform_device *pdev) struct tc3589x_gpio *tc3589x_gpio = platform_get_drvdata(pdev); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; struct tc3589x_gpio_platform_data *pdata = tc3589x->pdata->gpio; - int irq = platform_get_irq(pdev, 0); int ret; if (pdata && pdata->remove) @@ -405,10 +401,6 @@ static int tc3589x_gpio_remove(struct platform_device *pdev) return ret; } - free_irq(irq, tc3589x_gpio); - - kfree(tc3589x_gpio); - return 0; } |