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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 13:24:33 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 13:24:33 +0000
commit2e0e943436912ffe0848ece58167edfe754edb96 (patch)
treeb91919095c74742fa06e2105db6d859bee39b2b4 /arch/arm/mach-sa1100/time.c
parenta32737e1ca650504f172292dd344eb64c02311f3 (diff)
parentef3a0bf5bfadbace156fa2a3b9c753df2de41df2 (diff)
Merge branch 'devel-stable' into for-linus
Conflicts: arch/arm/kernel/setup.c arch/arm/mach-shmobile/board-kota2.c
Diffstat (limited to 'arch/arm/mach-sa1100/time.c')
-rw-r--r--arch/arm/mach-sa1100/time.c28
1 files changed, 3 insertions, 25 deletions
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index fa6602491d54..69e33535dee6 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -12,7 +12,6 @@
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/sched.h> /* just for sched_clock() - funny that */
#include <linux/timex.h>
#include <linux/clockchips.h>
@@ -20,29 +19,9 @@
#include <asm/sched_clock.h>
#include <mach/hardware.h>
-/*
- * This is the SA11x0 sched_clock implementation.
- */
-static DEFINE_CLOCK_DATA(cd);
-
-/*
- * Constants generated by clocks_calc_mult_shift(m, s, 3.6864MHz,
- * NSEC_PER_SEC, 60).
- * This gives a resolution of about 271ns and a wrap period of about 19min.
- */
-#define SC_MULT 2275555556u
-#define SC_SHIFT 23
-
-unsigned long long notrace sched_clock(void)
-{
- u32 cyc = OSCR;
- return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
-}
-
-static void notrace sa1100_update_sched_clock(void)
+static u32 notrace sa1100_read_sched_clock(void)
{
- u32 cyc = OSCR;
- update_sched_clock(&cd, cyc, (u32)~0);
+ return OSCR;
}
#define MIN_OSCR_DELTA 2
@@ -109,8 +88,7 @@ static void __init sa1100_timer_init(void)
OIER = 0;
OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
- init_fixed_sched_clock(&cd, sa1100_update_sched_clock, 32,
- 3686400, SC_MULT, SC_SHIFT);
+ setup_sched_clock(sa1100_read_sched_clock, 32, 3686400);
clockevents_calc_mult_shift(&ckevt_sa1100_osmr0, 3686400, 4);
ckevt_sa1100_osmr0.max_delta_ns =