alpha: rtc: simplify alpha_rtc_init

Use devm_rtc_allocate_device to simplify choosing the rtc_ops in
alpha_rtc_init().

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>

diff --git a/arch/alpha/kernel/rtc.c b/arch/alpha/kernel/rtc.c
index 1376a28670482cf827eb8f482d4ff2254f2a39e4..1b1d5963ac550b6475a46c9159f42a363e4e0db8 100644 (file)
--- a/arch/alpha/kernel/rtc.c
+++ b/arch/alpha/kernel/rtc.c
@@ -198,26 +198,24 @@ static const struct rtc_class_ops remote_rtc_ops = {
 static int __init
 alpha_rtc_init(void)
 {
-       const struct rtc_class_ops *ops;
        struct platform_device *pdev;
        struct rtc_device *rtc;
-       const char *name;
 
        init_rtc_epoch();
-       name = "rtc-alpha";
-       ops = &alpha_rtc_ops;
 
-#ifdef HAVE_REMOTE_RTC
-       if (alpha_mv.rtc_boot_cpu_only)
-               ops = &remote_rtc_ops;
-#endif
-
-       pdev = platform_device_register_simple(name, -1, NULL, 0);
-       rtc = devm_rtc_device_register(&pdev->dev, name, ops, THIS_MODULE);
+       pdev = platform_device_register_simple("rtc-alpha", -1, NULL, 0);
+       rtc = devm_rtc_allocate_device(&pdev->dev);
        if (IS_ERR(rtc))
                return PTR_ERR(rtc);
 
        platform_set_drvdata(pdev, rtc);
-       return 0;
+       rtc->ops = &alpha_rtc_ops;
+
+#ifdef HAVE_REMOTE_RTC
+       if (alpha_mv.rtc_boot_cpu_only)
+               rtc->ops = &remote_rtc_ops;
+#endif
+
+       return rtc_register_device(rtc);
 }
 device_initcall(alpha_rtc_init);