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authorSachin Kamat <sachin.kamat@linaro.org>2013-04-29 16:20:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:35 -0700
commitd1a9663964d3520435f887ba6a15b98d8a6ac312 (patch)
treecb401ab83b2882372982a7ad578abafe6a00e163
parent0529bf4673a05ca688fa42a14917069278d88103 (diff)
downloadlinux-d1a9663964d3520435f887ba6a15b98d8a6ac312.tar.bz2
drivers/rtc/rtc-ds1374.c: use devm_* APIs
devm_* functions are device managed and make cleanup code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Scott Wood <scottwood@freescale.com> 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>
-rw-r--r--drivers/rtc/rtc-ds1374.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index 67cd1e3e77a5..94366e12f40f 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -347,7 +347,7 @@ static int ds1374_probe(struct i2c_client *client,
struct ds1374 *ds1374;
int ret;
- ds1374 = kzalloc(sizeof(struct ds1374), GFP_KERNEL);
+ ds1374 = devm_kzalloc(&client->dev, sizeof(struct ds1374), GFP_KERNEL);
if (!ds1374)
return -ENOMEM;
@@ -359,36 +359,27 @@ static int ds1374_probe(struct i2c_client *client,
ret = ds1374_check_rtc_status(client);
if (ret)
- goto out_free;
+ return ret;
if (client->irq > 0) {
- ret = request_irq(client->irq, ds1374_irq, 0,
+ ret = devm_request_irq(&client->dev, client->irq, ds1374_irq, 0,
"ds1374", client);
if (ret) {
dev_err(&client->dev, "unable to request IRQ\n");
- goto out_free;
+ return ret;
}
device_set_wakeup_capable(&client->dev, 1);
}
- ds1374->rtc = rtc_device_register(client->name, &client->dev,
+ ds1374->rtc = devm_rtc_device_register(&client->dev, client->name,
&ds1374_rtc_ops, THIS_MODULE);
if (IS_ERR(ds1374->rtc)) {
- ret = PTR_ERR(ds1374->rtc);
dev_err(&client->dev, "unable to register the class device\n");
- goto out_irq;
+ return PTR_ERR(ds1374->rtc);
}
return 0;
-
-out_irq:
- if (client->irq > 0)
- free_irq(client->irq, client);
-
-out_free:
- kfree(ds1374);
- return ret;
}
static int ds1374_remove(struct i2c_client *client)
@@ -400,12 +391,10 @@ static int ds1374_remove(struct i2c_client *client)
ds1374->exiting = 1;
mutex_unlock(&ds1374->mutex);
- free_irq(client->irq, client);
+ devm_free_irq(&client->dev, client->irq, client);
cancel_work_sync(&ds1374->work);
}
- rtc_device_unregister(ds1374->rtc);
- kfree(ds1374);
return 0;
}