linux-kernel - [tip:timers/core] x86: Allow multiple values to be specified with "hpet="

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Message-ID: <tip-b2d6aba9657c7e3d027dd43ac7d7c405e0079d46@git.kernel.org>
Date:	Mon, 7 May 2012 21:23:16 -0700
From:	tip-bot for Jan Beulich <JBeulich@...e.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	jbeulich@...e.com, JBeulich@...e.com, tglx@...utronix.de
Subject: [tip:timers/core] x86: Allow multiple values to be specified with 
 "hpet="

Commit-ID:  b2d6aba9657c7e3d027dd43ac7d7c405e0079d46
Gitweb:     http://git.kernel.org/tip/b2d6aba9657c7e3d027dd43ac7d7c405e0079d46
Author:     Jan Beulich <JBeulich@...e.com>
AuthorDate: Mon, 2 Apr 2012 15:17:36 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 7 May 2012 15:06:28 +0200

x86: Allow multiple values to be specified with "hpet="

This is particularly to be able to specify "hpet=force,verbose",
as "force" ought to be a primary candidate for also wanting to
use "verbose".

Signed-off-by: Jan Beulich <jbeulich@...e.com>
Link: http://lkml.kernel.org/r/4F79D120020000780007C031@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/hpet.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 70bce5d..9cc7b43 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -94,13 +94,18 @@ static int hpet_verbose;
 
 static int __init hpet_setup(char *str)
 {
-	if (str) {
+	while (str) {
+		char *next = strchr(str, ',');
+
+		if (next)
+			*next++ = 0;
 		if (!strncmp("disable", str, 7))
 			boot_hpet_disable = 1;
 		if (!strncmp("force", str, 5))
 			hpet_force_user = 1;
 		if (!strncmp("verbose", str, 7))
 			hpet_verbose = 1;
+		str = next;
 	}
 	return 1;
 }
--
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