linux-kernel - [PATCH v4 02/14] serial: liteuart: use bit number macros

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Date:   Wed, 16 Nov 2022 09:48:56 -0500
From:   Gabriel Somlo <gsomlo@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-serial@...r.kernel.org, gregkh@...uxfoundation.org,
        jirislaby@...nel.org, kgugala@...micro.com, mholenko@...micro.com,
        joel@....id.au, david.abdurachmanov@...il.com,
        florent@...oy-digital.fr, geert@...ux-m68k.org,
        ilpo.jarvinen@...ux.intel.com
Subject: [PATCH v4 02/14] serial: liteuart: use bit number macros

Replace magic bit constants (e.g., 1, 2, 4) with BIT(x) expressions.

Signed-off-by: Gabriel Somlo <gsomlo@...il.com>
---

New in v4:
  - explicitly include <linux/bits.h>

 drivers/tty/serial/liteuart.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
index db898751ffe3..18c1eb315ee9 100644
--- a/drivers/tty/serial/liteuart.c
+++ b/drivers/tty/serial/liteuart.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2019-2020 Antmicro <www.antmicro.com>
  */
 
+#include <linux/bits.h>
 #include <linux/console.h>
 #include <linux/litex.h>
 #include <linux/module.h>
@@ -38,8 +39,8 @@
 #define OFF_EV_ENABLE	0x14
 
 /* events */
-#define EV_TX		0x1
-#define EV_RX		0x2
+#define EV_TX		BIT(0)
+#define EV_RX		BIT(1)
 
 struct liteuart_port {
 	struct uart_port port;
-- 
2.38.1