x86/intel: Disable HPET on Intel Coffee Lake H platforms
authorKai-Heng Feng <kai.heng.feng@canonical.com>
Fri, 29 Nov 2019 06:23:02 +0000 (14:23 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 31 Dec 2019 15:46:25 +0000 (16:46 +0100)
commit619799ebce0fdf18ecc084ed74f9d206018948d6
treec55ead7b4ab5d7043551eb0bbd1ed3bce2749652
parent1767f1ec121640d56f6aeecd607719563b575ead
x86/intel: Disable HPET on Intel Coffee Lake H platforms

commit f8edbde885bbcab6a2b4a1b5ca614e6ccb807577 upstream.

Coffee Lake H SoC has similar behavior as Coffee Lake, skewed HPET timer
once the SoCs entered PC10.

So let's disable HPET on CFL-H platforms.

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/20191129062303.18982-1-kai.heng.feng@canonical.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/kernel/early-quirks.c