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authorJingoo Han <jg1.han@samsung.com>2013-04-29 16:20:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:38 -0700
commit6b5f486225f6a4ec052209a466d580a1d1d92ce5 (patch)
treef764034f2d02edce124cd607ca7403e3e95e2abc /drivers/rtc
parenta63794fefd850a97fe07cfc017f52ea1bb777e75 (diff)
downloadop-kernel-dev-6b5f486225f6a4ec052209a466d580a1d1d92ce5.zip
op-kernel-dev-6b5f486225f6a4ec052209a466d580a1d1d92ce5.tar.gz
rtc: rtc-pcap: 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>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-pcap.c34
1 files changed, 12 insertions, 22 deletions
diff --git a/drivers/rtc/rtc-pcap.c b/drivers/rtc/rtc-pcap.c
index ce09824..539a90b 100644
--- a/drivers/rtc/rtc-pcap.c
+++ b/drivers/rtc/rtc-pcap.c
@@ -145,7 +145,8 @@ static int __init pcap_rtc_probe(struct platform_device *pdev)
int timer_irq, alarm_irq;
int err = -ENOMEM;
- pcap_rtc = kmalloc(sizeof(struct pcap_rtc), GFP_KERNEL);
+ pcap_rtc = devm_kzalloc(&pdev->dev, sizeof(struct pcap_rtc),
+ GFP_KERNEL);
if (!pcap_rtc)
return err;
@@ -153,45 +154,34 @@ static int __init pcap_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pcap_rtc);
- pcap_rtc->rtc = rtc_device_register("pcap", &pdev->dev,
- &pcap_rtc_ops, THIS_MODULE);
+ pcap_rtc->rtc = devm_rtc_device_register(&pdev->dev, "pcap",
+ &pcap_rtc_ops, THIS_MODULE);
if (IS_ERR(pcap_rtc->rtc)) {
err = PTR_ERR(pcap_rtc->rtc);
- goto fail_rtc;
+ goto fail;
}
-
timer_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ);
alarm_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA);
- err = request_irq(timer_irq, pcap_rtc_irq, 0, "RTC Timer", pcap_rtc);
+ err = devm_request_irq(&pdev->dev, timer_irq, pcap_rtc_irq, 0,
+ "RTC Timer", pcap_rtc);
if (err)
- goto fail_timer;
+ goto fail;
- err = request_irq(alarm_irq, pcap_rtc_irq, 0, "RTC Alarm", pcap_rtc);
+ err = devm_request_irq(&pdev->dev, alarm_irq, pcap_rtc_irq, 0,
+ "RTC Alarm", pcap_rtc);
if (err)
- goto fail_alarm;
+ goto fail;
return 0;
-fail_alarm:
- free_irq(timer_irq, pcap_rtc);
-fail_timer:
- rtc_device_unregister(pcap_rtc->rtc);
-fail_rtc:
+fail:
platform_set_drvdata(pdev, NULL);
- kfree(pcap_rtc);
return err;
}
static int __exit pcap_rtc_remove(struct platform_device *pdev)
{
- struct pcap_rtc *pcap_rtc = platform_get_drvdata(pdev);
-
- free_irq(pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ), pcap_rtc);
- free_irq(pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA), pcap_rtc);
- rtc_device_unregister(pcap_rtc->rtc);
- kfree(pcap_rtc);
-
return 0;
}
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