diff options
| -rw-r--r-- | drivers/nfc/s3fwrn5/i2c.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c index f824dc7099ce..ecdee838d25d 100644 --- a/drivers/nfc/s3fwrn5/i2c.c +++ b/drivers/nfc/s3fwrn5/i2c.c @@ -209,27 +209,21 @@ static int s3fwrn5_i2c_probe(struct i2c_client *client, if (ret < 0) return ret; - phy->clk = devm_clk_get_optional(&client->dev, NULL); - if (IS_ERR(phy->clk)) - return dev_err_probe(&client->dev, PTR_ERR(phy->clk), - "failed to get clock\n"); - /* * S3FWRN5 depends on a clock input ("XI" pin) to function properly. * Depending on the hardware configuration this could be an always-on * oscillator or some external clock that must be explicitly enabled. * Make sure the clock is running before starting S3FWRN5. */ - ret = clk_prepare_enable(phy->clk); - if (ret < 0) { - dev_err(&client->dev, "failed to enable clock: %d\n", ret); - return ret; - } + phy->clk = devm_clk_get_optional_enabled(&client->dev, NULL); + if (IS_ERR(phy->clk)) + return dev_err_probe(&client->dev, PTR_ERR(phy->clk), + "failed to get clock\n"); ret = s3fwrn5_probe(&phy->common.ndev, phy, &phy->i2c_dev->dev, &i2c_phy_ops); if (ret < 0) - goto disable_clk; + return ret; ret = devm_request_threaded_irq(&client->dev, phy->i2c_dev->irq, NULL, s3fwrn5_i2c_irq_thread_fn, IRQF_ONESHOT, @@ -241,8 +235,6 @@ static int s3fwrn5_i2c_probe(struct i2c_client *client, s3fwrn5_remove: s3fwrn5_remove(phy->common.ndev); -disable_clk: - clk_disable_unprepare(phy->clk); return ret; } @@ -251,7 +243,6 @@ static void s3fwrn5_i2c_remove(struct i2c_client *client) struct s3fwrn5_i2c_phy *phy = i2c_get_clientdata(client); s3fwrn5_remove(phy->common.ndev); - clk_disable_unprepare(phy->clk); } static const struct i2c_device_id s3fwrn5_i2c_id_table[] = { |