linux-kernel - [PATCH v2 2/4] misc: eeprom: eeprom

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Message-ID: <1c2406fc139015988b996b26b240963b9a35d754.1726838531.git.pnewman@connecttech.com>
Date: Fri, 20 Sep 2024 10:03:22 -0400
From: Parker Newman <parker@...est.io>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Cc: Parker Newman <pnewman@...necttech.com>
Subject: [PATCH v2 2/4] misc: eeprom: eeprom_93cx6: Switch to BIT() macro

From: Parker Newman <pnewman@...necttech.com>

Use the BIT() macro rather than (1 << (i - 1)).

Signed-off-by: Parker Newman <pnewman@...necttech.com>
---
 drivers/misc/eeprom/eeprom_93cx6.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/eeprom/eeprom_93cx6.c b/drivers/misc/eeprom/eeprom_93cx6.c
index 4c9827fe9217..e6f0e0fc1ca2 100644
--- a/drivers/misc/eeprom/eeprom_93cx6.c
+++ b/drivers/misc/eeprom/eeprom_93cx6.c
@@ -8,6 +8,7 @@
  * Supported chipsets: 93c46 & 93c66.
  */

+#include <linux/bits.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/delay.h>
@@ -102,7 +103,7 @@ static void eeprom_93cx6_write_bits(struct eeprom_93cx6 *eeprom,
 		/*
 		 * Check if this bit needs to be set.
 		 */
-		eeprom->reg_data_in = !!(data & (1 << (i - 1)));
+		eeprom->reg_data_in = !!(data & BIT(i - 1));

 		/*
 		 * Write the bit to the eeprom register.
@@ -152,7 +153,7 @@ static void eeprom_93cx6_read_bits(struct eeprom_93cx6 *eeprom,
 		 * Read if the bit has been set.
 		 */
 		if (eeprom->reg_data_out)
-			buf |= (1 << (i - 1));
+			buf |= BIT(i - 1);

 		eeprom_93cx6_pulse_low(eeprom);
 	}
--
2.46.0