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authorJody McIntyre <scjody@modernduck.com>2006-03-28 20:24:39 -0500
committerJody McIntyre <scjody@modernduck.com>2006-03-28 20:24:39 -0500
commitc0e4077c946104e5d8a62f835dcdca5c79c8af7d (patch)
treec1f458722f86690a6172bbac2dfef3241ba0ec7e /arch/ppc
parent94c2d01a537daf51a9fcf229d7d2204c979355d9 (diff)
parentca9ba4471c1203bb6e759b76e83167fec54fe590 (diff)
downloadlinux-c0e4077c946104e5d8a62f835dcdca5c79c8af7d.tar.gz
Merge with git+ssh://master.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/ppc')
-rw-r--r--arch/ppc/kernel/ppc_htab.c2
-rw-r--r--arch/ppc/platforms/chrp_time.c42
-rw-r--r--arch/ppc/platforms/prep_setup.c2
3 files changed, 15 insertions, 31 deletions
diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c
index 2f5c7650274f..9b84bffdefce 100644
--- a/arch/ppc/kernel/ppc_htab.c
+++ b/arch/ppc/kernel/ppc_htab.c
@@ -52,7 +52,7 @@ static int ppc_htab_open(struct inode *inode, struct file *file)
 	return single_open(file, ppc_htab_show, NULL);
 }
 
-struct file_operations ppc_htab_operations = {
+const struct file_operations ppc_htab_operations = {
 	.open		= ppc_htab_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
diff --git a/arch/ppc/platforms/chrp_time.c b/arch/ppc/platforms/chrp_time.c
index c8627770af13..51e06ad66168 100644
--- a/arch/ppc/platforms/chrp_time.c
+++ b/arch/ppc/platforms/chrp_time.c
@@ -119,44 +119,28 @@ int chrp_set_rtc_time(unsigned long nowtime)
 unsigned long chrp_get_rtc_time(void)
 {
 	unsigned int year, mon, day, hour, min, sec;
-	int uip, i;
 
-	/* The Linux interpretation of the CMOS clock register contents:
-	 * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-	 * RTC registers show the second which has precisely just started.
-	 * Let's hope other operating systems interpret the RTC the same way.
-	 */
-
-	/* Since the UIP flag is set for about 2.2 ms and the clock
-	 * is typically written with a precision of 1 jiffy, trying
-	 * to obtain a precision better than a few milliseconds is
-	 * an illusion. Only consistency is interesting, this also
-	 * allows to use the routine for /dev/rtc without a potential
-	 * 1 second kernel busy loop triggered by any reader of /dev/rtc.
-	 */
-
-	for ( i = 0; i<1000000; i++) {
-		uip = chrp_cmos_clock_read(RTC_FREQ_SELECT);
+	do {
 		sec = chrp_cmos_clock_read(RTC_SECONDS);
 		min = chrp_cmos_clock_read(RTC_MINUTES);
 		hour = chrp_cmos_clock_read(RTC_HOURS);
 		day = chrp_cmos_clock_read(RTC_DAY_OF_MONTH);
 		mon = chrp_cmos_clock_read(RTC_MONTH);
 		year = chrp_cmos_clock_read(RTC_YEAR);
-		uip |= chrp_cmos_clock_read(RTC_FREQ_SELECT);
-		if ((uip & RTC_UIP)==0) break;
+	} while (sec != chrp_cmos_clock_read(RTC_SECONDS));
+
+	if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
+	    || RTC_ALWAYS_BCD) {
+		BCD_TO_BIN(sec);
+		BCD_TO_BIN(min);
+		BCD_TO_BIN(hour);
+		BCD_TO_BIN(day);
+		BCD_TO_BIN(mon);
+		BCD_TO_BIN(year);
 	}
 
-	if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-	  {
-	    BCD_TO_BIN(sec);
-	    BCD_TO_BIN(min);
-	    BCD_TO_BIN(hour);
-	    BCD_TO_BIN(day);
-	    BCD_TO_BIN(mon);
-	    BCD_TO_BIN(year);
-	  }
-	if ((year += 1900) < 1970)
+	year += 1900;
+	if (year < 1970)
 		year += 100;
 	return mktime(year, mon, day, hour, min, sec);
 }
diff --git a/arch/ppc/platforms/prep_setup.c b/arch/ppc/platforms/prep_setup.c
index a0fc628ffb1e..d95c05d9824d 100644
--- a/arch/ppc/platforms/prep_setup.c
+++ b/arch/ppc/platforms/prep_setup.c
@@ -736,7 +736,7 @@ ibm_statusled_progress(char *s, unsigned short hex)
 		hex = 0xfff;
 		if (!notifier_installed) {
 			++notifier_installed;
-			notifier_chain_register(&panic_notifier_list,
+			atomic_notifier_chain_register(&panic_notifier_list,
 						&ibm_statusled_block);
 		}
 	}