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

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

[Amit Kucheria]

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@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.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

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

[Rafael J. Wysocki]

On Monday, January 21, 2019 9:47:37 AM CET Amit Kucheria wrote:
> 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@linaro.org>
> Reviewed-by: Stephen Boyd <swboyd@chromium.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);
> 

Applied, thanks!