MIPS: IP32: Add platform device for CMOS RTC; remove dead code

Signed-off-by: Thomas Bogendoerfer <[e-mail]>
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/sgi-ip32/ip32-platform.c

···
 
 device_initcall(sgio2btns_devinit);
 
+static struct resource sgio2_cmos_rsrc[] = {
+	{
+		.start = 0x70,
+		.end   = 0x71,
+		.flags = IORESOURCE_IO
+	}
+};
+
+static __init int sgio2_cmos_devinit(void)
+{
+	return IS_ERR(platform_device_register_simple("rtc_cmos", -1,
+						      sgio2_cmos_rsrc, 1));
+}
+
+device_initcall(sgio2_cmos_devinit);
+
 MODULE_AUTHOR("Ralf Baechle <[e-mail]>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("8250 UART probe driver for SGI IP32 aka O2");

arch/mips/sgi-ip32/ip32-setup.c

···
 }
 #endif
 
-unsigned long read_persistent_clock(void)
-{
-	return mc146818_get_cmos_time();
-}
-
 /* An arbitrary time; this can be decreased if reliability looks good */
 #define WAIT_MS 10