From: Marc Kleine-Budde Date: Wed, 3 Mar 2021 10:35:44 +0000 (+0100) Subject: time/timecounter: Mark 1st argument of timecounter_cyc2time() as const X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=07ff4aed015c564d03fd518d2fb54e5e6948903c;p=linux.git 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 Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/20210303103544.994855-1-mkl@pengutronix.de --- diff --git a/include/linux/timecounter.h b/include/linux/timecounter.h index 754b74a2167fe..c6540ceea1430 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 85b98e727306f..e6285288d7657 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;