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path: root/drivers/rtc/rtc-isl1208.c
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Diffstat (limited to 'drivers/rtc/rtc-isl1208.c')
-rw-r--r--drivers/rtc/rtc-isl1208.c42
1 files changed, 12 insertions, 30 deletions
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index c016ad81767a..c3c549d511b9 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -144,11 +144,7 @@ isl1208_i2c_validate_client(struct i2c_client *client)
static int
isl1208_i2c_get_sr(struct i2c_client *client)
{
- int sr = i2c_smbus_read_byte_data(client, ISL1208_REG_SR);
- if (sr < 0)
- return -EIO;
-
- return sr;
+ return i2c_smbus_read_byte_data(client, ISL1208_REG_SR);
}
static int
@@ -647,10 +643,11 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
"chip found, driver version " DRV_VERSION "\n");
if (client->irq > 0) {
- rc = request_threaded_irq(client->irq, NULL,
- isl1208_rtc_interrupt,
- IRQF_SHARED,
- isl1208_driver.driver.name, client);
+ rc = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+ isl1208_rtc_interrupt,
+ IRQF_SHARED,
+ isl1208_driver.driver.name,
+ client);
if (!rc) {
device_init_wakeup(&client->dev, 1);
enable_irq_wake(client->irq);
@@ -662,20 +659,18 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
}
}
- rtc = rtc_device_register(isl1208_driver.driver.name,
- &client->dev, &isl1208_rtc_ops,
+ rtc = devm_rtc_device_register(&client->dev, isl1208_driver.driver.name,
+ &isl1208_rtc_ops,
THIS_MODULE);
- if (IS_ERR(rtc)) {
- rc = PTR_ERR(rtc);
- goto exit_free_irq;
- }
+ if (IS_ERR(rtc))
+ return PTR_ERR(rtc);
i2c_set_clientdata(client, rtc);
rc = isl1208_i2c_get_sr(client);
if (rc < 0) {
dev_err(&client->dev, "reading status failed\n");
- goto exit_unregister;
+ return rc;
}
if (rc & ISL1208_REG_SR_RTCF)
@@ -684,28 +679,15 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
if (rc)
- goto exit_unregister;
+ return rc;
return 0;
-
-exit_unregister:
- rtc_device_unregister(rtc);
-exit_free_irq:
- if (client->irq)
- free_irq(client->irq, client);
-
- return rc;
}
static int
isl1208_remove(struct i2c_client *client)
{
- struct rtc_device *rtc = i2c_get_clientdata(client);
-
sysfs_remove_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
- rtc_device_unregister(rtc);
- if (client->irq)
- free_irq(client->irq, client);
return 0;
}