x86: add force_hpet boot option

add force_hpet boot option.

(this will be useful to make the forced-enable quirks depend on.)

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index f8367074da0d..22d8f00c80dc 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -69,12 +69,15 @@ static inline void hpet_clear_mapping(void)
  * HPET command line enable / disable
  */
 static int boot_hpet_disable;
+int hpet_force_user;
 
 static int __init hpet_setup(char* str)
 {
         if (str) {
                 if (!strncmp("disable", str, 7))
                         boot_hpet_disable = 1;
+                if (!strncmp("force", str, 5))
+                        hpet_force_user = 1;
         }
         return 1;
 }