From 5e754f330d189d9082017525668220e458757e5b Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 3 Jul 2012 23:05:14 +0200 Subject: pinctrl/nomadik: use devm_* allocators for gpio probe 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 Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-nomadik.c | 35 +++++++++-------------------------- 1 file changed, 9 insertions(+), 26 deletions(-) (limited to 'drivers/pinctrl') diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index 3e7e47d..095bbc6 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -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; - goto out; - } - - base = ioremap(res->start, resource_size(res)); + base = devm_request_and_ioremap(&dev->dev, res); if (!base) { ret = -ENOMEM; - goto out_release; + goto out; } - 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; } -- cgit v1.1