Use "start-year" than "sh3_rtc_baseyear" as the RTC base year property

name, matching the dsrtc driver and the Devicetree binding.

Author: thorpej

sys/arch/hpcsh/hpcsh/autoconf.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: autoconf.c,v 1.27 2012/10/27 17:17:57 chs Exp $	*/
+/*	$NetBSD: autoconf.c,v 1.28 2025/10/13 15:40:14 thorpej Exp $	*/
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.27 2012/10/27 17:17:57 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.28 2025/10/13 15:40:14 thorpej Exp $");
 
 #include "opt_md.h"
 
@@ -112,6 +112,8 @@ makebootdev(const char *cp)
 	strncpy(booted_device_name, cp, 16);
 }
 
+#define HPW50PAD_RTC_BASE	1996
+
 void
 device_register(device_t dev, void *aux)
 {
@@ -122,18 +124,11 @@ device_register(device_t dev, void *aux)
 	if (device_is_a(dev, "rtc") &&
 	    parent != NULL && device_is_a(parent, "shb") &&
 	    platid_match(&platid, &platid_mask_MACH_HITACHI_PERSONA_HPW50PAD)) {
-		prop_number_t rtc_baseyear;
-
-#define HPW50PAD_RTC_BASE	1996
-
-		rtc_baseyear = prop_number_create_integer(HPW50PAD_RTC_BASE);
-		KASSERT(rtc_baseyear != NULL);
-
-		if (prop_dictionary_set(device_properties(dev),
-		    "sh3_rtc_baseyear", rtc_baseyear) == false)
-			printf("WARNING: unable to set sh3_rtc_baseyear "
+		if (! device_setprop_uint(dev, "start-year",
+					  HPW50PAD_RTC_BASE)) {
+			printf("WARNING: unable to set start-year "
 			    "property for %s\n", device_xname(dev));
-		prop_object_release(rtc_baseyear);
+		}
 		return;
 	}
 }

sys/arch/sh3/dev/rtc.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: rtc.c,v 1.12 2025/09/07 21:45:14 thorpej Exp $ */
+/*	$NetBSD: rtc.c,v 1.13 2025/10/13 15:40:14 thorpej Exp $ */
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtc.c,v 1.12 2025/09/07 21:45:14 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtc.c,v 1.13 2025/10/13 15:40:14 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -71,7 +71,6 @@ static int rtc_settime_ymdhms(todr_chip_handle_t, struct clock_ymdhms *);
 #ifndef SH3_RTC_BASEYEAR
 #define SH3_RTC_BASEYEAR	1900
 #endif
-u_int sh3_rtc_baseyear = SH3_RTC_BASEYEAR;
 
 static int
 rtc_match(device_t parent, cfdata_t cfp, void *aux)
@@ -86,7 +85,6 @@ rtc_attach(device_t parent, device_t self, void *aux)
 {
 	struct rtc_softc *sc;
 	uint8_t r;
-	prop_number_t prop_rtc_baseyear;
 #ifdef RTC_DEBUG
 	char bits[128];
 #endif
@@ -123,18 +121,9 @@ rtc_attach(device_t parent, device_t self, void *aux)
 	sc->sc_todr.todr_gettime_ymdhms = rtc_gettime_ymdhms;
 	sc->sc_todr.todr_settime_ymdhms = rtc_settime_ymdhms;
 
-	prop_rtc_baseyear = prop_dictionary_get(device_properties(self),
-	    "sh3_rtc_baseyear");
-	if (prop_rtc_baseyear != NULL) {
-		sh3_rtc_baseyear =
-		    (u_int)prop_number_integer_value(prop_rtc_baseyear);
-#ifdef RTC_DEBUG
-		aprint_debug_dev(self,
-		    "using baseyear %u passed via device property\n",
-		    sh3_rtc_baseyear);
-#endif
-	}
-	sc->sc_year0 = sh3_rtc_baseyear;
+	sc->sc_year0 = device_getprop_uint_default(self, "start-year",
+	    SH3_RTC_BASEYEAR);
+	aprint_debug_dev(self, "using start-year %u\n", sc->sc_year0);
 
 	todr_attach(&sc->sc_todr);