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 <[email protected]>
Acked-by: Russell King <[email protected]>
Signed-off-by: Stephen Warren <[email protected]>
This commit is contained in:
Peter De Schrijver 2014-06-12 18:58:27 +03:00 • committed by Stephen Warren
commit e6639117d6

View file

@ -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();
}