linux-kernel - [PATCH] x86: allow multiple values to be specified with "hpet="

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Message-Id: <4F79D120020000780007C031@nat28.tlf.novell.com>
Date:	Mon, 02 Apr 2012 15:17:36 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	<mingo@...e.hu>, <tglx@...utronix.de>, <hpa@...or.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] 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>

---
 arch/x86/kernel/hpet.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

--- 3.4-rc1-x86-hpet.orig/arch/x86/kernel/hpet.c
+++ 3.4-rc1-x86-hpet/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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