commit
c25d29952b2a8c9aaf00e081c9162a0e383030cd upstream.
If we use the LAPIC timer during ATOM C2 on
some nvidia chisets, the system stalls.
https://bugzilla.kernel.org/show_bug.cgi?id=21032
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Tom Gundersen <teg@jklm.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
case 0x1C: /* 28 - Atom Processor */
case 0x26: /* 38 - Lincroft Atom Processor */
- lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */
+ lapic_timer_reliable_states = (1 << 1); /* C1 */
cpuidle_state_table = atom_cstates;
break;
#ifdef FUTURE_USE