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authorJingoo Han <jg1.han@samsung.com>2013-07-03 15:07:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 16:07:55 -0700
commitc417299ce7d77521225f2aff471d3f7ee5f34b1e (patch)
tree6b3248a45e1bd5fd457ed9858a4764929dd2d407
parent19b8d8875fd5f231135a55bfe53337859ec73a4a (diff)
rtc: rtc-pm8xxx: use devm_*() functions
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: 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-pm8xxx.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index 14ee860d5a3f..03f8f75d5af2 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -395,7 +395,7 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
if (pdata != NULL)
rtc_write_enable = pdata->rtc_write_enable;
- rtc_dd = kzalloc(sizeof(*rtc_dd), GFP_KERNEL);
+ rtc_dd = devm_kzalloc(&pdev->dev, sizeof(*rtc_dd), GFP_KERNEL);
if (rtc_dd == NULL) {
dev_err(&pdev->dev, "Unable to allocate memory!\n");
return -ENOMEM;
@@ -407,16 +407,14 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
rtc_dd->rtc_alarm_irq = platform_get_irq(pdev, 0);
if (rtc_dd->rtc_alarm_irq < 0) {
dev_err(&pdev->dev, "Alarm IRQ resource absent!\n");
- rc = -ENXIO;
- goto fail_rtc_enable;
+ return -ENXIO;
}
rtc_resource = platform_get_resource_byname(pdev, IORESOURCE_IO,
"pmic_rtc_base");
if (!(rtc_resource && rtc_resource->start)) {
dev_err(&pdev->dev, "RTC IO resource absent!\n");
- rc = -ENXIO;
- goto fail_rtc_enable;
+ return -ENXIO;
}
rtc_dd->rtc_base = rtc_resource->start;
@@ -432,7 +430,7 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
rc = pm8xxx_read_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base, 1);
if (rc < 0) {
dev_err(&pdev->dev, "RTC control register read failed!\n");
- goto fail_rtc_enable;
+ return rc;
}
if (!(ctrl_reg & PM8xxx_RTC_ENABLE)) {
@@ -442,7 +440,7 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
if (rc < 0) {
dev_err(&pdev->dev, "Write to RTC control register "
"failed\n");
- goto fail_rtc_enable;
+ return rc;
}
}
@@ -453,13 +451,12 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc_dd);
/* Register the RTC device */
- rtc_dd->rtc = rtc_device_register("pm8xxx_rtc", &pdev->dev,
+ rtc_dd->rtc = devm_rtc_device_register(&pdev->dev, "pm8xxx_rtc",
&pm8xxx_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc_dd->rtc)) {
dev_err(&pdev->dev, "%s: RTC registration failed (%ld)\n",
__func__, PTR_ERR(rtc_dd->rtc));
- rc = PTR_ERR(rtc_dd->rtc);
- goto fail_rtc_enable;
+ return PTR_ERR(rtc_dd->rtc);
}
/* Request the alarm IRQ */
@@ -468,7 +465,7 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
"pm8xxx_rtc_alarm", rtc_dd);
if (rc < 0) {
dev_err(&pdev->dev, "Request IRQ failed (%d)\n", rc);
- goto fail_req_irq;
+ return rc;
}
device_init_wakeup(&pdev->dev, 1);
@@ -476,12 +473,6 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "Probe success !!\n");
return 0;
-
-fail_req_irq:
- rtc_device_unregister(rtc_dd->rtc);
-fail_rtc_enable:
- kfree(rtc_dd);
- return rc;
}
static int pm8xxx_rtc_remove(struct platform_device *pdev)
@@ -490,8 +481,6 @@ static int pm8xxx_rtc_remove(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 0);
free_irq(rtc_dd->rtc_alarm_irq, rtc_dd);
- rtc_device_unregister(rtc_dd->rtc);
- kfree(rtc_dd);
return 0;
}