linux-kernel - [PATCH v2 1/3] leds: Replace flags bit shift with BIT() macros

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Date:   Wed, 13 Sep 2017 10:53:58 -0700
From:   David Lin <dtwlin@...gle.com>
To:     corbet@....net, rpurdie@...ys.net, jacek.anaszewski@...il.com,
        pavel@....cz, hdegoede@...hat.com, gregkh@...uxfoundation.org
Cc:     robh@...nel.org, romlem@...gle.com, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        David Lin <dtwlin@...gle.com>
Subject: [PATCH v2 1/3] leds: Replace flags bit shift with BIT() macros

This is for readability as well as to avoid checkpatch warnings when
adding new bit flag information in the future.

Signed-off-by: David Lin <dtwlin@...gle.com>
---
 include/linux/leds.h | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/linux/leds.h b/include/linux/leds.h
index bf6db4fe895b..5579c64c8fd6 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -40,16 +40,16 @@ struct led_classdev {
 	int			 flags;
 
 	/* Lower 16 bits reflect status */
-#define LED_SUSPENDED		(1 << 0)
-#define LED_UNREGISTERING	(1 << 1)
+#define LED_SUSPENDED		BIT(0)
+#define LED_UNREGISTERING	BIT(1)
 	/* Upper 16 bits reflect control information */
-#define LED_CORE_SUSPENDRESUME	(1 << 16)
-#define LED_SYSFS_DISABLE	(1 << 17)
-#define LED_DEV_CAP_FLASH	(1 << 18)
-#define LED_HW_PLUGGABLE	(1 << 19)
-#define LED_PANIC_INDICATOR	(1 << 20)
-#define LED_BRIGHT_HW_CHANGED	(1 << 21)
-#define LED_RETAIN_AT_SHUTDOWN	(1 << 22)
+#define LED_CORE_SUSPENDRESUME	BIT(16)
+#define LED_SYSFS_DISABLE	BIT(17)
+#define LED_DEV_CAP_FLASH	BIT(18)
+#define LED_HW_PLUGGABLE	BIT(19)
+#define LED_PANIC_INDICATOR	BIT(20)
+#define LED_BRIGHT_HW_CHANGED	BIT(21)
+#define LED_RETAIN_AT_SHUTDOWN	BIT(22)
 
 	/* set_brightness_work / blink_timer flags, atomic, private. */
 	unsigned long		work_flags;
-- 
2.14.1.581.gf28d330327-goog