tag 494036 patch
thanks
http://lkml.org/lkml/2008/8/23/83
This is the patch by Ingo Molnar I applied on my 2.6.26 kernel. Can you
please apply it.
Best regards,
Gonéri Le Bouder
--- linux-source-2.6.26.orig/include/asm-generic/rtc.h.orig 2008-10-18 00:26:24.000000000 +0200
+++ linux-source-2.6.26/include/asm-generic/rtc.h 2008-10-18 00:27:16.000000000 +0200
@@ -15,6 +15,7 @@
#include <linux/mc146818rtc.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
+#include <linux/delay.h>
#define RTC_PIE 0x40 /* periodic interrupt enable */
#define RTC_AIE 0x20 /* alarm interrupt enable */
@@ -43,7 +44,6 @@ static inline unsigned char rtc_is_updat
static inline unsigned int get_rtc_time(struct rtc_time *time)
{
- unsigned long uip_watchdog = jiffies;
unsigned char ctrl;
unsigned long flags;
@@ -61,11 +61,9 @@ static inline unsigned int get_rtc_time(
* Once the read clears, read the RTC time (again via ioctl). Easy.
*/
- if (rtc_is_updating() != 0)
- while (jiffies - uip_watchdog < 2*HZ/100) {
- barrier();
- cpu_relax();
- }
+ if (rtc_is_updating())
+ mdelay(20);
+
/*
* Only the values that we read from the RTC are set. We leave
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