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pinctrl/nomadik: use devm_* allocators for gpio probe

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The GPIO portions of the Nomadik pinctrl driver was not using
the managed devm_* interfaces, lets' use them consequently and
cut down the error path and special case handling.

Acked-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2012-07-03 23:05:14 +02:00 committed by Linus Walleij
parent fcd217edc0
commit 5e754f330d
1 changed files with 10 additions and 27 deletions
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37
drivers/pinctrl/pinctrl-nomadik.c
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@ -1194,7 +1194,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
}
if (np) {
pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
pdata = devm_kzalloc(&dev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
@ -1229,29 +1229,23 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
goto out;
}
if (request_mem_region(res->start, resource_size(res),
dev_name(&dev->dev)) == NULL) {
ret = -EBUSY;
base = devm_request_and_ioremap(&dev->dev, res);
if (!base) {
ret = -ENOMEM;
goto out;
}
base = ioremap(res->start, resource_size(res));
if (!base) {
ret = -ENOMEM;
goto out_release;
}
clk = clk_get(&dev->dev, NULL);
clk = devm_clk_get(&dev->dev, NULL);
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
goto out_unmap;
goto out;
}
clk_prepare(clk);
nmk_chip = kzalloc(sizeof(*nmk_chip), GFP_KERNEL);
nmk_chip = devm_kzalloc(&dev->dev, sizeof(*nmk_chip), GFP_KERNEL);
if (!nmk_chip) {
ret = -ENOMEM;
goto out_clk;
goto out;
}
/*
@ -1286,7 +1280,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
ret = gpiochip_add(&nmk_chip->chip);
if (ret)
goto out_free;
goto out;
BUG_ON(nmk_chip->bank >= ARRAY_SIZE(nmk_gpio_chips));
@ -1300,7 +1294,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
if (!nmk_chip->domain) {
pr_err("%s: Failed to create irqdomain\n", np->full_name);
ret = -ENOSYS;
goto out_free;
goto out;
}
nmk_gpio_init_irq(nmk_chip);
@ -1309,20 +1303,9 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
return 0;
out_free:
kfree(nmk_chip);
out_clk:
clk_disable(clk);
clk_put(clk);
out_unmap:
iounmap(base);
out_release:
release_mem_region(res->start, resource_size(res));
out:
dev_err(&dev->dev, "Failure %i for GPIO %i-%i\n", ret,
pdata->first_gpio, pdata->first_gpio+31);
if (np)
kfree(pdata);
return ret;
}