The patch titled
Char: ds1286, eliminate busy waiting
has been removed from the -mm tree. Its filename was
char-ds1286-eliminate-busy-waiting.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: Char: ds1286, eliminate busy waiting
From: Jiri Slaby <jirislaby@xxxxxxxxx>
ds1286_get_time(); is not called from atomic context, sleep for 20 ms is
better choice than a (home-made) busy waiting for such a situation.
Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/ds1286.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff -puN drivers/char/ds1286.c~char-ds1286-eliminate-busy-waiting drivers/char/ds1286.c
--- a/drivers/char/ds1286.c~char-ds1286-eliminate-busy-waiting
+++ a/drivers/char/ds1286.c
@@ -443,7 +443,6 @@ static void ds1286_get_time(struct rtc_t
{
unsigned char save_control;
unsigned long flags;
- unsigned long uip_watchdog = jiffies;
/*
* read RTC once any update in progress is done. The update
@@ -456,8 +455,7 @@ static void ds1286_get_time(struct rtc_t
*/
if (ds1286_is_updating() != 0)
- while (time_before(jiffies, uip_watchdog + 2*HZ/100))
- barrier();
+ msleep(20);
/*
* Only the values that we read from the RTC are set. We leave
_
Patches currently in -mm which might be from jirislaby@xxxxxxxxx are
origin.patch
char-sx-remove-bogus-iomap.patch
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