linux-kernel - [tip:irq/core] x86/irq: Correct comment about i8259 initialization

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Message-ID: <tip-7752572f18f98ee796e173334b088a1d621d2da4@git.kernel.org>
Date:	Tue, 3 Sep 2013 23:13:01 -0700
From:	tip-bot for Yanchuan Nian <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	ycnian@...il.com, tglx@...utronix.de
Subject: [tip:irq/core] x86/irq:
  Correct comment about i8259 initialization

Commit-ID:  7752572f18f98ee796e173334b088a1d621d2da4
Gitweb:     http://git.kernel.org/tip/7752572f18f98ee796e173334b088a1d621d2da4
Author:     Yanchuan Nian <ycnian@...il.com>
AuthorDate: Wed, 4 Sep 2013 09:25:24 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 4 Sep 2013 07:46:04 +0200

x86/irq: Correct comment about i8259 initialization

0x30-0x3f have been used for ISA interrupts on i386 as well
since 5 years ago, but old comments about i8259 initialization
were still referring to the old i386 usage of this port range.

Signed-off-by: Yanchuan Nian <ycnian@...il.com>
Cc: yinghai@...nel.org
Cc: pavel@...e.cz
Link: http://lkml.kernel.org/r/1378257924-29446-1-git-send-email-ycnian@gmail.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/i8259.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index 9a5c460..2e977b5 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -312,8 +312,7 @@ static void init_8259A(int auto_eoi)
 	 */
 	outb_pic(0x11, PIC_MASTER_CMD);	/* ICW1: select 8259A-1 init */
 
-	/* ICW2: 8259A-1 IR0-7 mapped to 0x30-0x37 on x86-64,
-	   to 0x20-0x27 on i386 */
+	/* ICW2: 8259A-1 IR0-7 mapped to 0x30-0x37 */
 	outb_pic(IRQ0_VECTOR, PIC_MASTER_IMR);
 
 	/* 8259A-1 (the master) has a slave on IR2 */
--
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