linux-kernel - [PATCH 006/228] cpufreq: rewrite cpufreq

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Date:	Fri, 13 Sep 2013 18:29:12 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	rjw@...k.pl
Cc:	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 006/228] cpufreq: rewrite cpufreq_driver->flags using shift operator

Currently cpufreq_driver's flags are defined directly using 0x1, 0x2, 0x4, 0x8,
etc.. As the list grows it doesn't stays much readable..

Lets use bitwise shift operator << to generate these numbers for respective
positions.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 include/linux/cpufreq.h | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 10ab22d..0eda235 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -212,19 +212,20 @@ struct cpufreq_driver {
 };
 
 /* flags */
-#define CPUFREQ_STICKY		0x01	/* the driver isn't removed even if
-					 * all ->init() calls failed */
-#define CPUFREQ_CONST_LOOPS	0x02	/* loops_per_jiffy or other kernel
-					 * "constants" aren't affected by
-					 * frequency transitions */
-#define CPUFREQ_PM_NO_WARN	0x04	/* don't warn on suspend/resume speed
-					 * mismatches */
+#define CPUFREQ_STICKY		(1 << 0)	/* driver isn't removed even if
+						   all ->init() calls failed */
+#define CPUFREQ_CONST_LOOPS	(1 << 1)	/* loops_per_jiffy or other
+						   kernel "constants" aren't
+						   affected by frequency
+						   transitions */
+#define CPUFREQ_PM_NO_WARN	(1 << 2)	/* don't warn on suspend/resume
+						   speed mismatches */
 /*
  * Driver will do POSTCHANGE notifications from outside of their ->target()
  * routine and so must set cpufreq_driver->flags with this flag, so that core
  * can handle them specially.
  */
-#define CPUFREQ_ASYNC_NOTIFICATION 0x08
+#define CPUFREQ_ASYNC_NOTIFICATION	(1 << 3)
 
 int cpufreq_register_driver(struct cpufreq_driver *driver_data);
 int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
-- 
1.7.12.rc2.18.g61b472e

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