diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-12-17 07:48:19 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-05-22 10:09:25 +0200 |
| commit | a0682a31588990cb6f870f1a48cf019525605625 (patch) | |
| tree | c30f56142299c12100baf247b1c282e89f0374b8 | |
| parent | i2c: eg20t: Fix Kconfig dependencies (diff) | |
| download | linux-a0682a31588990cb6f870f1a48cf019525605625.tar.xz linux-a0682a31588990cb6f870f1a48cf019525605625.zip | |
i2c: gpio: Use devm_gpio_request()
Use devm_gpio_request() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Violeta Menendez <violeta.menendez@codethink.co.uk>
Reviewed-by: Ian Molton <ian.molton@codethink.co.uk>
Tested-by: Violeta Menendez <violeta.menendez@codethink.co.uk>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| -rw-r--r-- | drivers/i2c/busses/i2c-gpio.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index 02d2d4abb9dd..71a45b210a24 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -147,24 +147,22 @@ static int i2c_gpio_probe(struct platform_device *pdev) scl_pin = pdata->scl_pin; } - ret = gpio_request(sda_pin, "sda"); + ret = devm_gpio_request(&pdev->dev, sda_pin, "sda"); if (ret) { if (ret == -EINVAL) ret = -EPROBE_DEFER; /* Try again later */ - goto err_request_sda; + return ret; } - ret = gpio_request(scl_pin, "scl"); + ret = devm_gpio_request(&pdev->dev, scl_pin, "scl"); if (ret) { if (ret == -EINVAL) ret = -EPROBE_DEFER; /* Try again later */ - goto err_request_scl; + return ret; } priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) { - ret = -ENOMEM; - goto err_add_bus; - } + if (!priv) + return -ENOMEM; adap = &priv->adap; bit_data = &priv->bit_data; pdata = &priv->pdata; @@ -225,7 +223,7 @@ static int i2c_gpio_probe(struct platform_device *pdev) adap->nr = pdev->id; ret = i2c_bit_add_numbered_bus(adap); if (ret) - goto err_add_bus; + return ret; platform_set_drvdata(pdev, priv); @@ -235,13 +233,6 @@ static int i2c_gpio_probe(struct platform_device *pdev) ? ", no clock stretching" : ""); return 0; - -err_add_bus: - gpio_free(scl_pin); -err_request_scl: - gpio_free(sda_pin); -err_request_sda: - return ret; } static int i2c_gpio_remove(struct platform_device *pdev) @@ -255,8 +246,6 @@ static int i2c_gpio_remove(struct platform_device *pdev) pdata = &priv->pdata; i2c_del_adapter(adap); - gpio_free(pdata->scl_pin); - gpio_free(pdata->sda_pin); return 0; } |