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@suse.com>
Link: http://lkml.kernel.org/r/4F79D120020000780007C031@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 70bce5db1bb9..9cc7b4392f7c 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;
 }