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>
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@ -63,6 +63,7 @@
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/* hpet memory map physical address */
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extern unsigned long hpet_address;
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extern unsigned long force_hpet_address;
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extern int boot_hpet_disable;
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extern u8 hpet_blockid;
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extern int hpet_force_user;
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extern u8 hpet_msi_disable;
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@ -88,7 +88,7 @@ static inline void hpet_clear_mapping(void)
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/*
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* HPET command line enable / disable
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*/
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static int boot_hpet_disable;
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int boot_hpet_disable;
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int hpet_force_user;
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static int hpet_verbose;
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