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Subject[PATCH 03/27] rtc: rtc-bfin: use devm_*() functions
Date
Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
drivers/rtc/rtc-bfin.c | 16 +++++-----------
1 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index 4ec614b..d8b06f5 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -352,14 +352,14 @@ static int bfin_rtc_probe(struct platform_device *pdev)
dev_dbg_stamp(dev);

/* Allocate memory for our RTC struct */
- rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
+ rtc = devm_kzalloc(dev, sizeof(*rtc), GFP_KERNEL);
if (unlikely(!rtc))
return -ENOMEM;
platform_set_drvdata(pdev, rtc);
device_init_wakeup(dev, 1);

/* Register our RTC with the RTC framework */
- rtc->rtc_dev = rtc_device_register(pdev->name, dev, &bfin_rtc_ops,
+ rtc->rtc_dev = devm_rtc_device_register(dev, pdev->name, &bfin_rtc_ops,
THIS_MODULE);
if (unlikely(IS_ERR(rtc->rtc_dev))) {
ret = PTR_ERR(rtc->rtc_dev);
@@ -367,9 +367,10 @@ static int bfin_rtc_probe(struct platform_device *pdev)
}

/* Grab the IRQ and init the hardware */
- ret = request_irq(IRQ_RTC, bfin_rtc_interrupt, 0, pdev->name, dev);
+ ret = devm_request_irq(dev, IRQ_RTC, bfin_rtc_interrupt, 0,
+ pdev->name, dev);
if (unlikely(ret))
- goto err_reg;
+ goto err;
/* sometimes the bootloader touched things, but the write complete was not
* enabled, so let's just do a quick timeout here since the IRQ will not fire ...
*/
@@ -381,23 +382,16 @@ static int bfin_rtc_probe(struct platform_device *pdev)

return 0;

-err_reg:
- rtc_device_unregister(rtc->rtc_dev);
err:
- kfree(rtc);
return ret;
}

static int bfin_rtc_remove(struct platform_device *pdev)
{
- struct bfin_rtc *rtc = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;

bfin_rtc_reset(dev, 0);
- free_irq(IRQ_RTC, dev);
- rtc_device_unregister(rtc->rtc_dev);
platform_set_drvdata(pdev, NULL);
- kfree(rtc);

return 0;
}
--
1.7.2.5



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