diff options
| author | Markus Pargmann <mpa@pengutronix.de> | 2013-10-29 09:19:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-30 00:58:18 +0100 |
| commit | d27f25c9c216dc9f9a320fe78f729aebdebcae50 (patch) | |
| tree | ee7d8fe9e8f6b611837e96be4792f6acf9581e7d /drivers/w1/masters | |
| parent | w1-gpio: Detect of_gpio_error for first gpio (diff) | |
| download | linux-d27f25c9c216dc9f9a320fe78f729aebdebcae50.tar.xz linux-d27f25c9c216dc9f9a320fe78f729aebdebcae50.zip | |
w1-gpio: Use devm_* functions
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1/masters')
| -rw-r--r-- | drivers/w1/masters/w1-gpio.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c index ae53e8832845..264ad1c583ab 100644 --- a/drivers/w1/masters/w1-gpio.c +++ b/drivers/w1/masters/w1-gpio.c @@ -99,25 +99,27 @@ static int w1_gpio_probe(struct platform_device *pdev) return -ENXIO; } - master = kzalloc(sizeof(struct w1_bus_master), GFP_KERNEL); + master = devm_kzalloc(&pdev->dev, sizeof(struct w1_bus_master), + GFP_KERNEL); if (!master) { dev_err(&pdev->dev, "Out of memory\n"); return -ENOMEM; } - err = gpio_request(pdata->pin, "w1"); + err = devm_gpio_request(&pdev->dev, pdata->pin, "w1"); if (err) { dev_err(&pdev->dev, "gpio_request (pin) failed\n"); - goto free_master; + return err; } if (gpio_is_valid(pdata->ext_pullup_enable_pin)) { - err = gpio_request_one(pdata->ext_pullup_enable_pin, - GPIOF_INIT_LOW, "w1 pullup"); + err = devm_gpio_request_one(&pdev->dev, + pdata->ext_pullup_enable_pin, GPIOF_INIT_LOW, + "w1 pullup"); if (err < 0) { dev_err(&pdev->dev, "gpio_request_one " "(ext_pullup_enable_pin) failed\n"); - goto free_gpio; + return err; } } @@ -135,7 +137,7 @@ static int w1_gpio_probe(struct platform_device *pdev) err = w1_add_master_device(master); if (err) { dev_err(&pdev->dev, "w1_add_master device failed\n"); - goto free_gpio_ext_pu; + return err; } if (pdata->enable_external_pullup) @@ -147,16 +149,6 @@ static int w1_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, master); return 0; - - free_gpio_ext_pu: - if (gpio_is_valid(pdata->ext_pullup_enable_pin)) - gpio_free(pdata->ext_pullup_enable_pin); - free_gpio: - gpio_free(pdata->pin); - free_master: - kfree(master); - - return err; } static int w1_gpio_remove(struct platform_device *pdev) @@ -171,8 +163,6 @@ static int w1_gpio_remove(struct platform_device *pdev) gpio_set_value(pdata->ext_pullup_enable_pin, 0); w1_remove_master_device(master); - gpio_free(pdata->pin); - kfree(master); return 0; } |