* [PATCH] time: timecounter_cyc2time(): mark 1st argument (struct timecounter) as const
@ 2021-03-03 10:35 Marc Kleine-Budde
2021-04-16 19:07 ` [tip: timers/core] time/timecounter: Mark 1st argument of timecounter_cyc2time() " tip-bot2 for Marc Kleine-Budde
0 siblings, 1 reply; 2+ messages in thread
From: Marc Kleine-Budde @ 2021-03-03 10:35 UTC (permalink / raw)
To: linux-kernel
Cc: kernel, John Stultz, Thomas Gleixner, Stephen Boyd, Marc Kleine-Budde
As the timecounter is not modified in this function, mark it as const.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
include/linux/timecounter.h | 2 +-
kernel/time/timecounter.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/timecounter.h b/include/linux/timecounter.h
index 754b74a2167f..c6540ceea143 100644
--- a/include/linux/timecounter.h
+++ b/include/linux/timecounter.h
@@ -124,7 +124,7 @@ extern u64 timecounter_read(struct timecounter *tc);
* This allows conversion of cycle counter values which were generated
* in the past.
*/
-extern u64 timecounter_cyc2time(struct timecounter *tc,
+extern u64 timecounter_cyc2time(const struct timecounter *tc,
u64 cycle_tstamp);
#endif
diff --git a/kernel/time/timecounter.c b/kernel/time/timecounter.c
index 85b98e727306..e6285288d765 100644
--- a/kernel/time/timecounter.c
+++ b/kernel/time/timecounter.c
@@ -76,7 +76,7 @@ static u64 cc_cyc2ns_backwards(const struct cyclecounter *cc,
return ns;
}
-u64 timecounter_cyc2time(struct timecounter *tc,
+u64 timecounter_cyc2time(const struct timecounter *tc,
u64 cycle_tstamp)
{
u64 delta = (cycle_tstamp - tc->cycle_last) & tc->cc->mask;
--
2.30.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [tip: timers/core] time/timecounter: Mark 1st argument of timecounter_cyc2time() as const
2021-03-03 10:35 [PATCH] time: timecounter_cyc2time(): mark 1st argument (struct timecounter) as const Marc Kleine-Budde
@ 2021-04-16 19:07 ` tip-bot2 for Marc Kleine-Budde
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot2 for Marc Kleine-Budde @ 2021-04-16 19:07 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Marc Kleine-Budde, Thomas Gleixner, x86, linux-kernel
The following commit has been merged into the timers/core branch of tip:
Commit-ID: 07ff4aed015c564d03fd518d2fb54e5e6948903c
Gitweb: https://git.kernel.org/tip/07ff4aed015c564d03fd518d2fb54e5e6948903c
Author: Marc Kleine-Budde <mkl@pengutronix.de>
AuthorDate: Wed, 03 Mar 2021 11:35:44 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Fri, 16 Apr 2021 21:03:50 +02:00
time/timecounter: Mark 1st argument of timecounter_cyc2time() as const
The timecounter is not modified in this function. Mark it as const.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210303103544.994855-1-mkl@pengutronix.de
---
include/linux/timecounter.h | 2 +-
kernel/time/timecounter.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/timecounter.h b/include/linux/timecounter.h
index 754b74a..c6540ce 100644
--- a/include/linux/timecounter.h
+++ b/include/linux/timecounter.h
@@ -124,7 +124,7 @@ extern u64 timecounter_read(struct timecounter *tc);
* This allows conversion of cycle counter values which were generated
* in the past.
*/
-extern u64 timecounter_cyc2time(struct timecounter *tc,
+extern u64 timecounter_cyc2time(const struct timecounter *tc,
u64 cycle_tstamp);
#endif
diff --git a/kernel/time/timecounter.c b/kernel/time/timecounter.c
index 85b98e7..e628528 100644
--- a/kernel/time/timecounter.c
+++ b/kernel/time/timecounter.c
@@ -76,7 +76,7 @@ static u64 cc_cyc2ns_backwards(const struct cyclecounter *cc,
return ns;
}
-u64 timecounter_cyc2time(struct timecounter *tc,
+u64 timecounter_cyc2time(const struct timecounter *tc,
u64 cycle_tstamp)
{
u64 delta = (cycle_tstamp - tc->cycle_last) & tc->cc->mask;
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2021-03-03 10:35 [PATCH] time: timecounter_cyc2time(): mark 1st argument (struct timecounter) as const Marc Kleine-Budde
2021-04-16 19:07 ` [tip: timers/core] time/timecounter: Mark 1st argument of timecounter_cyc2time() " tip-bot2 for Marc Kleine-Budde
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