linux-kernel - [PATCH 1/6] kselftests: timers: freq-step: Define ADJ_SETOFFSET if device has older kernel headers

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Date:   Fri, 18 Aug 2017 11:50:57 -0700
From:   John Stultz <john.stultz@...aro.org>
To:     lkml <linux-kernel@...r.kernel.org>
Cc:     John Stultz <john.stultz@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Miroslav Lichvar <mlichvar@...hat.com>,
        Richard Cochran <richardcochran@...il.com>,
        Prarit Bhargava <prarit@...hat.com>,
        Stephen Boyd <stephen.boyd@...aro.org>,
        Shuah Khan <shuah@...nel.org>, linux-kselftest@...r.kernel.org
Subject: [PATCH 1/6] kselftests: timers: freq-step: Define ADJ_SETOFFSET if device has older kernel headers

On some systems, the kernel headers haven't been updated to include
ADJ_SETOFFSET, so define it in the test if needed.

Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Miroslav Lichvar <mlichvar@...hat.com>
Cc: Richard Cochran <richardcochran@...il.com>
Cc: Prarit Bhargava <prarit@...hat.com>
Cc: Stephen Boyd <stephen.boyd@...aro.org>
Cc: Shuah Khan <shuah@...nel.org>
Cc: linux-kselftest@...r.kernel.org
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 tools/testing/selftests/timers/freq-step.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/timers/freq-step.c b/tools/testing/selftests/timers/freq-step.c
index e8c6183..934a308 100644
--- a/tools/testing/selftests/timers/freq-step.c
+++ b/tools/testing/selftests/timers/freq-step.c
@@ -33,6 +33,10 @@
 #define MAX_FREQ_ERROR 10e-6
 #define MAX_STDDEV 1000e-9
 
+#ifndef ADJ_SETOFFSET
+  #define ADJ_SETOFFSET 0x0100
+#endif
+
 struct sample {
 	double offset;
 	double time;
-- 
2.7.4