drivers/rtc/rtc-sirfsoc.c: use devm_rtc_device_register

devm_rtc_device_register simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Xianglong Du <Xianglong.Du@csr.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>

diff --git a/drivers/rtc/rtc-sirfsoc.c b/drivers/rtc/rtc-sirfsoc.c
index 63460cf..1775265 100644 (file)
--- a/drivers/rtc/rtc-sirfsoc.c
+++ b/drivers/rtc/rtc-sirfsoc.c
@@ -274,7 +274,7 @@ static int sirfsoc_rtc_probe(struct platform_device *pdev)
        err = of_property_read_u32(np, "reg", &rtcdrv->rtc_base);
        if (err) {
                dev_err(&pdev->dev, "unable to find base address of rtc node in dtb\n");
-               goto error;
+               return err;
        }
 
        platform_set_drvdata(pdev, rtcdrv);
@@ -290,7 +290,7 @@ static int sirfsoc_rtc_probe(struct platform_device *pdev)
        rtc_div = ((32768 / RTC_HZ) / 2) - 1;
        sirfsoc_rtc_iobrg_writel(rtc_div, rtcdrv->rtc_base + RTC_DIV);
 
-       rtcdrv->rtc = rtc_device_register(pdev->name, &(pdev->dev),
+       rtcdrv->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
                        &sirfsoc_rtc_ops, THIS_MODULE);
        if (IS_ERR(rtcdrv->rtc)) {
                err = PTR_ERR(rtcdrv->rtc);
@@ -322,24 +322,15 @@ static int sirfsoc_rtc_probe(struct platform_device *pdev)
                        rtcdrv);
        if (err) {
                dev_err(&pdev->dev, "Unable to register for the SiRF SOC RTC IRQ\n");
-               goto error;
+               return err;
        }
 
        return 0;
-
-error:
-       if (rtcdrv->rtc)
-               rtc_device_unregister(rtcdrv->rtc);
-
-       return err;
 }
 
 static int sirfsoc_rtc_remove(struct platform_device *pdev)
 {
-       struct sirfsoc_rtc_drv *rtcdrv = platform_get_drvdata(pdev);
-
        device_init_wakeup(&pdev->dev, 0);
-       rtc_device_unregister(rtcdrv->rtc);
 
        return 0;
 }