openwrt/target/linux/sibyte/patches/104-sibyte_rtc_cleanup.patch

--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -56,14 +56,6 @@ extern void sb1250_setup(void);
 #error invalid SiByte board configuration
 #endif
 
-extern int xicor_probe(void);
-extern int xicor_set_time(unsigned long);
-extern unsigned long xicor_get_time(void);
-
-extern int m41t81_probe(void);
-extern int m41t81_set_time(unsigned long);
-extern unsigned long m41t81_get_time(void);
-
 const char *get_system_type(void)
 {
 	return "SiByte " SIBYTE_BOARD_NAME;
@@ -79,49 +71,18 @@ int swarm_be_handler(struct pt_regs *reg
 	return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL);
 }
 
-enum swarm_rtc_type {
-	RTC_NONE,
-	RTC_XICOR,
-	RTC_M41T81,
-};
-
-enum swarm_rtc_type swarm_rtc_type;
-
 void read_persistent_clock(struct timespec *ts)
 {
 	unsigned long sec;
 
-	switch (swarm_rtc_type) {
-	case RTC_XICOR:
-		sec = xicor_get_time();
-		break;
-
-	case RTC_M41T81:
-		sec = m41t81_get_time();
-		break;
-
-	case RTC_NONE:
-	default:
-		sec = mktime(2000, 1, 1, 0, 0, 0);
-		break;
-	}
+	sec = mktime(2000, 1, 1, 0, 0, 0);
 	ts->tv_sec = sec;
 	ts->tv_nsec = 0;
 }
 
 int rtc_mips_set_time(unsigned long sec)
 {
-	switch (swarm_rtc_type) {
-	case RTC_XICOR:
-		return xicor_set_time(sec);
-
-	case RTC_M41T81:
-		return m41t81_set_time(sec);
-
-	case RTC_NONE:
-	default:
 		return -1;
-	}
 }
 
 void __init plat_mem_setup(void)
@@ -138,11 +99,6 @@ void __init plat_mem_setup(void)
 
 	board_be_handler = swarm_be_handler;
 
-	if (xicor_probe())
-		swarm_rtc_type = RTC_XICOR;
-	if (m41t81_probe())
-		swarm_rtc_type = RTC_M41T81;
-
 #ifdef CONFIG_VT
 	screen_info = (struct screen_info) {
 		.orig_video_page	= 52,