]> err.no Git - linux-2.6/blobdiff - arch/x86/kernel/rtc.c
Merge git://git.infradead.org/~dedekind/ubi-2.6
[linux-2.6] / arch / x86 / kernel / rtc.c
index d2569513ad4cd41b9876141c2b6208527ea095de..9615eee9b7759af8229e162066c4c6fab695015b 100644 (file)
@@ -94,7 +94,7 @@ int mach_set_rtc_mmss(unsigned long nowtime)
 
 unsigned long mach_get_cmos_time(void)
 {
-       unsigned int year, mon, day, hour, min, sec, century = 0;
+       unsigned int status, year, mon, day, hour, min, sec, century = 0;
 
        /*
         * If UIP is clear, then we have >= 244 microseconds before
@@ -112,14 +112,16 @@ unsigned long mach_get_cmos_time(void)
        mon = CMOS_READ(RTC_MONTH);
        year = CMOS_READ(RTC_YEAR);
 
-#if defined(CONFIG_ACPI) && defined(CONFIG_X86_64)
-       /* CHECKME: Is this really 64bit only ??? */
+#ifdef CONFIG_ACPI
        if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID &&
            acpi_gbl_FADT.century)
                century = CMOS_READ(acpi_gbl_FADT.century);
 #endif
 
-       if (RTC_ALWAYS_BCD || !(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY)) {
+       status = CMOS_READ(RTC_CONTROL);
+       WARN_ON_ONCE(RTC_ALWAYS_BCD && (status & RTC_DM_BINARY));
+
+       if (RTC_ALWAYS_BCD || !(status & RTC_DM_BINARY)) {
                BCD_TO_BIN(sec);
                BCD_TO_BIN(min);
                BCD_TO_BIN(hour);
@@ -144,8 +146,8 @@ unsigned char rtc_cmos_read(unsigned char addr)
        unsigned char val;
 
        lock_cmos_prefix(addr);
-       outb_p(addr, RTC_PORT(0));
-       val = inb_p(RTC_PORT(1));
+       outb(addr, RTC_PORT(0));
+       val = inb(RTC_PORT(1));
        lock_cmos_suffix(addr);
        return val;
 }
@@ -154,8 +156,8 @@ EXPORT_SYMBOL(rtc_cmos_read);
 void rtc_cmos_write(unsigned char val, unsigned char addr)
 {
        lock_cmos_prefix(addr);
-       outb_p(addr, RTC_PORT(0));
-       outb_p(val, RTC_PORT(1));
+       outb(addr, RTC_PORT(0));
+       outb(val, RTC_PORT(1));
        lock_cmos_suffix(addr);
 }
 EXPORT_SYMBOL(rtc_cmos_write);