From: Kai-Heng Feng kai.heng.feng@canonical.com
[ Upstream commit e0748539e3d594dd26f0d27a270f14720b22a406 ]
Like CFL and CFL-H, ICL SoC has skewed HPET timer once it hits PC10. So let's disable HPET on ICL.
Signed-off-by: Kai-Heng Feng kai.heng.feng@canonical.com Cc: Linus Torvalds torvalds@linux-foundation.org Cc: Peter Zijlstra peterz@infradead.org Cc: Thomas Gleixner tglx@linutronix.de Cc: bp@alien8.de Cc: feng.tang@intel.com Cc: harry.pan@intel.com Cc: hpa@zytor.com Link: https://lkml.kernel.org/r/20191129062303.18982-2-kai.heng.feng@canonical.com Signed-off-by: Ingo Molnar mingo@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/x86/kernel/early-quirks.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 606711f5ebf8..2f9ec14be3b1 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -714,6 +714,8 @@ static struct chipset early_qrk[] __initdata = { PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, { PCI_VENDOR_ID_INTEL, 0x3ec4, PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, + { PCI_VENDOR_ID_INTEL, 0x8a12, + PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, { PCI_VENDOR_ID_BROADCOM, 0x4331, PCI_CLASS_NETWORK_OTHER, PCI_ANY_ID, 0, apple_airport_reset}, {}