x86, hpet: check hpet existence
authorKeir Fraser <keir.fraser@citrix.com>
Thu, 27 Nov 2008 11:24:52 +0000 (11:24 +0000)
committerKeir Fraser <keir.fraser@citrix.com>
Thu, 27 Nov 2008 11:24:52 +0000 (11:24 +0000)
commitc44f6b31725b2142e963536ff0bd6ebcbfea2161
tree5b19114906821ce50191efab4f5647e51025ec00
parent48253116860591178c2aecadaf73086bff01a4ab
x86, hpet: check hpet existence

Add check on hpet existence which is removed accidentally
in previous changeset (18790). Or else BAD PERIOD error can be seen.

Signed-off-by: Kevin Tian <kevin.tian@intel.com>
xen/arch/x86/hpet.c