diff options
author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2017-07-02 16:41:37 +0200 |
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committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2017-07-02 16:41:37 +0200 |
commit | 52409fae3e4b8d16b68b61902fc09075cd97b75d (patch) | |
tree | e67110145c5843b3f199d872ae285e2546c9ebe2 /backport-include/linux/timecounter.h |
Backports generated from 4.11 kernel
Initial commit.
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'backport-include/linux/timecounter.h')
-rw-r--r-- | backport-include/linux/timecounter.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/backport-include/linux/timecounter.h b/backport-include/linux/timecounter.h new file mode 100644 index 0000000..596015b --- /dev/null +++ b/backport-include/linux/timecounter.h @@ -0,0 +1,25 @@ +#ifndef __BACKPORT_LINUX_TIMECOUNTER_H +#define __BACKPORT_LINUX_TIMECOUNTER_H + +#if LINUX_VERSION_IS_GEQ(3,20,0) +#include_next <linux/timecounter.h> +#else +#include <linux/clocksource.h> + +/** + * timecounter_adjtime - Shifts the time of the clock. + * @delta: Desired change in nanoseconds. + */ +#define timecounter_adjtime LINUX_BACKPORT(timecounter_adjtime) +static inline void timecounter_adjtime(struct timecounter *tc, s64 delta) +{ + tc->nsec += delta; +} +#endif + +#ifndef CYCLECOUNTER_MASK +/* simplify initialization of mask field */ +#define CYCLECOUNTER_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1) +#endif + +#endif /* __BACKPORT_LINUX_TIMECOUNTER_H */ |