linux-kernel - [PATCH] cpufreq: Replace open-coded << with BIT()

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 21 Jan 2019 14:17:37 +0530
From:   Amit Kucheria <amit.kucheria@...aro.org>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arm-msm@...r.kernel.org, viresh.kumar@...aro.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org
Subject: [PATCH] cpufreq: Replace open-coded << with BIT()

Minor clean-up to use BIT() and keep checkpatch happy. Clean up the
comment formatting while we're at it to make it easier to read.

Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
 include/linux/cpufreq.h | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index c86d6d8bdfed..bd7fbd6a4478 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -346,14 +346,15 @@ struct cpufreq_driver {
 };
 
 /* flags */
-#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 isn't removed even if all ->init() calls failed */
+#define CPUFREQ_STICKY				BIT(0)
+
+/* loops_per_jiffy or other kernel "constants" aren't affected by frequency transitions */
+#define CPUFREQ_CONST_LOOPS			BIT(1)
+
+/* don't warn on suspend/resume speed mismatches */
+#define CPUFREQ_PM_NO_WARN			BIT(2)
 
 /*
  * This should be set by platforms having multiple clock-domains, i.e.
@@ -361,14 +362,14 @@ struct cpufreq_driver {
  * be created in cpu/cpu<num>/cpufreq/ directory and so they can use the same
  * governor with different tunables for different clusters.
  */
-#define CPUFREQ_HAVE_GOVERNOR_PER_POLICY (1 << 3)
+#define CPUFREQ_HAVE_GOVERNOR_PER_POLICY	BIT(3)
 
 /*
  * 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  (1 << 4)
+#define CPUFREQ_ASYNC_NOTIFICATION		BIT(4)
 
 /*
  * Set by drivers which want cpufreq core to check if CPU is running at a
@@ -377,13 +378,13 @@ struct cpufreq_driver {
  * from the table. And if that fails, we will stop further boot process by
  * issuing a BUG_ON().
  */
-#define CPUFREQ_NEED_INITIAL_FREQ_CHECK	(1 << 5)
+#define CPUFREQ_NEED_INITIAL_FREQ_CHECK	BIT(5)
 
 /*
  * Set by drivers to disallow use of governors with "dynamic_switching" flag
  * set.
  */
-#define CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING (1 << 6)
+#define CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING	BIT(6)
 
 int cpufreq_register_driver(struct cpufreq_driver *driver_data);
 int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
-- 
2.17.1