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authorSachin Kamat <sachin.kamat@linaro.org>2013-11-12 15:10:30 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:27 +0900
commitadce8c14c9eaf8e184d9410f4a0bdfa8be07ee6f (patch)
tree9e22b7049a45955e3920ad78523a9efcc94a5395 /drivers/rtc
parentf3766250b2e9f2920c3c9ef9821827ac82fa7a84 (diff)
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>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-isl1208.c36
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index 5a0bf7ce103..c3c549d511b 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -643,10 +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);
@@ -658,20 +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)
@@ -680,28 +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;
}