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@xxxxxxxxxx>
---
init/calibrate.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/init/calibrate.c b/init/calibrate.c
index 520702d..ce635dc 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();
}
--
1.7.7.rc0.72.g4b5ea.dirty
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