x86/hpet: Make boot_hpet_disable extern

HPET on some platform has accuracy problem. Making
"boot_hpet_disable" extern so that we can runtime disable
the HPET timer by using quirk to check the platform.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1398327498-13163-1-git-send-email-feng.tang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Feng Tang 2014-04-24 16:18:17 +08:00 committed by Ingo Molnar
parent 14262d67fe
commit f10f383d84
2 changed files with 2 additions and 1 deletions

View File

@ -63,6 +63,7 @@
/* hpet memory map physical address */
extern unsigned long hpet_address;
extern unsigned long force_hpet_address;
extern int boot_hpet_disable;
extern u8 hpet_blockid;
extern int hpet_force_user;
extern u8 hpet_msi_disable;

View File

@ -88,7 +88,7 @@ static inline void hpet_clear_mapping(void)
/*
* HPET command line enable / disable
*/
static int boot_hpet_disable;
int boot_hpet_disable;
int hpet_force_user;
static int hpet_verbose;