linux-kernel - [PATCH v2 1/2] extcon: Use BIT() macro for the left-shift operation

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Date:   Tue, 04 Apr 2017 11:21:13 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     linux-kernel@...r.kernel.org
Cc:     cw00.choi@...sung.com, hdegoede@...hat.com,
        andy.shevchenko@...il.com, chanwoo@...nel.org,
        myungjoo.ham@...sung.com
Subject: [PATCH v2 1/2] extcon: Use BIT() macro for the left-shift operation

This patch just uses the BIT() macro to make the code simple.

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
Changes from v1:
- No changes.

 drivers/extcon/extcon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index e85704eda645..193a3a673d10 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -377,7 +377,7 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr,
 	for (i = 0; i < edev->max_supported; i++) {
 		count += sprintf(buf + count, "%s=%d\n",
 				extcon_info[edev->supported_cable[i]].name,
-				 !!(edev->state & (1 << i)));
+				 !!(edev->state & BIT(i)));
 	}
 
 	return count;
-- 
1.9.1