This is a note to let you know that I've just added the patch titled
clocksource: dw_apb_timer_of: Fix read_sched_clock
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
clocksource-dw_apb_timer_of-fix-read_sched_clock.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 85dc6ee1237c8a4a7742e6abab96a20389b7d682 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Date: Tue, 10 Dec 2013 19:49:18 +0100
Subject: clocksource: dw_apb_timer_of: Fix read_sched_clock
From: Dinh Nguyen <dinguyen@xxxxxxxxxx>
commit 85dc6ee1237c8a4a7742e6abab96a20389b7d682 upstream.
The read_sched_clock should return the ~value because the clock is a
countdown implementation. read_sched_clock() should be the same as
__apbt_read_clocksource().
Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/clocksource/dw_apb_timer_of.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -108,7 +108,7 @@ static void add_clocksource(struct devic
static u32 read_sched_clock(void)
{
- return __raw_readl(sched_io_base);
+ return ~__raw_readl(sched_io_base);
}
static const struct of_device_id sptimer_ids[] __initconst = {
Patches currently in stable-queue which might be from dinguyen@xxxxxxxxxx are
queue-3.12/clocksource-dw_apb_timer_of-fix-support-for-dts-binding-snps-dw-apb-timer.patch
queue-3.12/clocksource-dw_apb_timer_of-fix-read_sched_clock.patch
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