linux-kernel - [PATCH 28/38] vt: simplify noncolor attributes in build

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Message-Id: <20200615074910.19267-28-jslaby@suse.cz>
Date:   Mon, 15 Jun 2020 09:49:00 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 28/38] vt: simplify noncolor attributes in build_attr

All the attributes are bools, so do a simple shift instead of tests and
constants as bool is either 0 or 1.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/tty/vt/vt.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 3aff2e3cf5a6..673177d4e859 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -719,10 +719,10 @@ static u8 build_attr(struct vc_data *vc, u8 _color,
 	u8 a = _color;
 	if (!vc->vc_can_do_color)
 		return _intensity |
-		       (_italic ? 2 : 0) |
-		       (_underline ? 4 : 0) |
-		       (_reverse ? 8 : 0) |
-		       (_blink ? 0x80 : 0);
+		       (_italic    << 1) |
+		       (_underline << 2) |
+		       (_reverse   << 3) |
+		       (_blink     << 7);
 	if (_italic)
 		a = (a & 0xF0) | vc->vc_itcolor;
 	else if (_underline)
-- 
2.27.0