diff options
| author | Peter De Schrijver <pdeschrijver@nvidia.com> | 2014-06-12 18:58:27 +0300 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2014-06-16 12:47:39 -0600 |
| commit | e6639117d624d5c8f531d22456a69e38dc23c501 (patch) | |
| tree | e8d6a77c772ae9094cc722bd76345d2903eea7ed /init | |
| parent | 7171511eaec5bf23fb06078f59784a3a0626b38f (diff) | |
kernel: add calibration_delay_done()
Add calibration_delay_done() call and dummy implementation. This allows
architectures to stop accepting registrations for new timer based delay
functions.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'init')
| -rw-r--r-- | init/calibrate.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/init/calibrate.c b/init/calibrate.c index 520702db9acc..ce635dccf3d9 100644 --- a/init/calibrate.c +++ b/init/calibrate.c @@ -262,6 +262,15 @@ unsigned long __attribute__((weak)) calibrate_delay_is_known(void) return 0; } +/* + * Indicate the cpu delay calibration is done. This can be used by + * architectures to stop accepting delay timer registrations after this point. + */ + +void __attribute__((weak)) calibration_delay_done(void) +{ +} + void calibrate_delay(void) { unsigned long lpj; @@ -301,4 +310,6 @@ void calibrate_delay(void) loops_per_jiffy = lpj; printed = true; + + calibration_delay_done(); } |