linux-kernel - [PATCH v1 09/12] HID: cp2112: Use BIT() in GPIO setter and getter

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

Message-Id: <20230703185222.50554-10-andriy.shevchenko@linux.intel.com>
Date:   Mon,  3 Jul 2023 21:52:19 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Andy Shevchenko <andy@...nel.org>
Subject: [PATCH v1 09/12] HID: cp2112: Use BIT() in GPIO setter and getter

Use BIT() in GPIO setter and getter for the sake of consistency
with GENMASK() usage elsewhere in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/hid/hid-cp2112.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index 37ed7fc54770..2eebb2b19501 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -197,7 +197,7 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 		goto exit;
 	}
 
-	buf[1] &= ~(1 << offset);
+	buf[1] &= ~BIT(offset);
 	buf[2] = gpio_push_pull;
 
 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
@@ -228,7 +228,7 @@ static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 
 	buf[0] = CP2112_GPIO_SET;
 	buf[1] = value ? CP2112_GPIO_ALL_GPIO_MASK : 0;
-	buf[2] = 1 << offset;
+	buf[2] = BIT(offset);
 
 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf,
 				 CP2112_GPIO_SET_LENGTH, HID_FEATURE_REPORT,
-- 
2.40.0.1.gaa8946217a0b