Re: [PATCH 1/3] kernel: add calibration_delay_done()

From: Sergei Shtylyov
Date: Tue May 20 2014 - 13:41:37 EST


On 05/20/2014 07:36 PM, Peter De Schrijver wrote:

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 | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/init/calibrate.c b/init/calibrate.c
index 520702d..31cae76 100644
--- a/init/calibrate.c
+++ b/init/calibrate.c
@@ -262,6 +262,16 @@ 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)
+{
+ return;

Not really needed.

+}
+
void calibrate_delay(void)
{
unsigned long lpj;

WBR, Sergei

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