mirror of https://gitee.com/openkylin/linux.git
drivers/rtc/rtc-isl1208.c: use devm_* APIs
devm_* APIs are device managed and make code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Herbert Valerio Riedel <hvr@gnu.org> Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -643,10 +643,11 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
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"chip found, driver version " DRV_VERSION "\n");
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if (client->irq > 0) {
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rc = request_threaded_irq(client->irq, NULL,
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isl1208_rtc_interrupt,
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IRQF_SHARED,
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isl1208_driver.driver.name, client);
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rc = devm_request_threaded_irq(&client->dev, client->irq, NULL,
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isl1208_rtc_interrupt,
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IRQF_SHARED,
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isl1208_driver.driver.name,
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client);
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if (!rc) {
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device_init_wakeup(&client->dev, 1);
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enable_irq_wake(client->irq);
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@ -658,20 +659,18 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
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}
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}
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rtc = rtc_device_register(isl1208_driver.driver.name,
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&client->dev, &isl1208_rtc_ops,
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rtc = devm_rtc_device_register(&client->dev, isl1208_driver.driver.name,
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&isl1208_rtc_ops,
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THIS_MODULE);
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if (IS_ERR(rtc)) {
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rc = PTR_ERR(rtc);
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goto exit_free_irq;
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}
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if (IS_ERR(rtc))
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return PTR_ERR(rtc);
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i2c_set_clientdata(client, rtc);
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rc = isl1208_i2c_get_sr(client);
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if (rc < 0) {
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dev_err(&client->dev, "reading status failed\n");
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goto exit_unregister;
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return rc;
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}
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if (rc & ISL1208_REG_SR_RTCF)
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@ -680,28 +679,15 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
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rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
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if (rc)
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goto exit_unregister;
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return rc;
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return 0;
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exit_unregister:
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rtc_device_unregister(rtc);
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exit_free_irq:
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if (client->irq)
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free_irq(client->irq, client);
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return rc;
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}
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static int
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isl1208_remove(struct i2c_client *client)
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{
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struct rtc_device *rtc = i2c_get_clientdata(client);
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sysfs_remove_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
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rtc_device_unregister(rtc);
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if (client->irq)
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free_irq(client->irq, client);
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return 0;
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}
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