lkml.org 
[lkml]   [2013]   [Dec]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] rtc: rtc-vr41xx: Use devm_*() functions
Date
Use devm_*() functions to make cleanup paths simpler, and remove
unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
drivers/rtc/rtc-vr41xx.c | 50 +++++++++++-----------------------------------
1 file changed, 12 insertions(+), 38 deletions(-)

diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index aabc22c..88c9c92 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -293,7 +293,7 @@ static int rtc_probe(struct platform_device *pdev)
if (!res)
return -EBUSY;

- rtc1_base = ioremap(res->start, resource_size(res));
+ rtc1_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!rtc1_base)
return -EBUSY;

@@ -303,13 +303,14 @@ static int rtc_probe(struct platform_device *pdev)
goto err_rtc1_iounmap;
}

- rtc2_base = ioremap(res->start, resource_size(res));
+ rtc2_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!rtc2_base) {
retval = -EBUSY;
goto err_rtc1_iounmap;
}

- rtc = rtc_device_register(rtc_name, &pdev->dev, &vr41xx_rtc_ops, THIS_MODULE);
+ rtc = devm_rtc_device_register(&pdev->dev, rtc_name, &vr41xx_rtc_ops,
+ THIS_MODULE);
if (IS_ERR(rtc)) {
retval = PTR_ERR(rtc);
goto err_iounmap_all;
@@ -330,24 +331,24 @@ static int rtc_probe(struct platform_device *pdev)
aie_irq = platform_get_irq(pdev, 0);
if (aie_irq <= 0) {
retval = -EBUSY;
- goto err_device_unregister;
+ goto err_iounmap_all;
}

- retval = request_irq(aie_irq, elapsedtime_interrupt, 0,
- "elapsed_time", pdev);
+ retval = devm_request_irq(&pdev->dev, aie_irq, elapsedtime_interrupt, 0,
+ "elapsed_time", pdev);
if (retval < 0)
- goto err_device_unregister;
+ goto err_iounmap_all;

pie_irq = platform_get_irq(pdev, 1);
if (pie_irq <= 0) {
retval = -EBUSY;
- goto err_free_irq;
+ goto err_iounmap_all;
}

- retval = request_irq(pie_irq, rtclong1_interrupt, 0,
- "rtclong1", pdev);
+ retval = devm_request_irq(&pdev->dev, pie_irq, rtclong1_interrupt, 0,
+ "rtclong1", pdev);
if (retval < 0)
- goto err_free_irq;
+ goto err_iounmap_all;

platform_set_drvdata(pdev, rtc);

@@ -358,47 +359,20 @@ static int rtc_probe(struct platform_device *pdev)

return 0;

-err_free_irq:
- free_irq(aie_irq, pdev);
-
-err_device_unregister:
- rtc_device_unregister(rtc);
-
err_iounmap_all:
- iounmap(rtc2_base);
rtc2_base = NULL;

err_rtc1_iounmap:
- iounmap(rtc1_base);
rtc1_base = NULL;

return retval;
}

-static int rtc_remove(struct platform_device *pdev)
-{
- struct rtc_device *rtc;
-
- rtc = platform_get_drvdata(pdev);
- if (rtc)
- rtc_device_unregister(rtc);
-
- free_irq(aie_irq, pdev);
- free_irq(pie_irq, pdev);
- if (rtc1_base)
- iounmap(rtc1_base);
- if (rtc2_base)
- iounmap(rtc2_base);
-
- return 0;
-}
-
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:RTC");

static struct platform_driver rtc_platform_driver = {
.probe = rtc_probe,
- .remove = rtc_remove,
.driver = {
.name = rtc_name,
.owner = THIS_MODULE,
--
1.7.10.4



\
 
 \ /
  Last update: 2013-12-05 02:41    [W:0.064 / U:1.768 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site