From 0793afe913a78990b1f4b3fff037eae5365f1078 Mon Sep 17 00:00:00 2001 From: Alexander Couzens Date: Sun, 10 Apr 2016 23:19:18 +0200 Subject: mb/lenovo/x220: disable ME The ME hangs, the lspci shows no memory and the linux kernel tries to request irq 0 twice. After suspend-resume the linux kernel warns about double used irq. genirq: Flags mismatch irq 0. 00000080 (mei_me) vs. 00015a00 (timer) mei_me 0000:00:16.0: request_threaded_irq failed: irq = 0. dpm_run_callback(): pci_pm_resume+0x0/0xa0 returns -16 PM: Device 0000:00:16.0 failed to resume async: error -16 Change-Id: I56ef66388e58dddcfb858294ba274621c55fbef6 Signed-off-by: Alexander Couzens Reviewed-on: https://review.coreboot.org/14309 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth Reviewed-by: Patrick Rudolph --- src/mainboard/lenovo/x220/devicetree.cb | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'src/mainboard/lenovo') diff --git a/src/mainboard/lenovo/x220/devicetree.cb b/src/mainboard/lenovo/x220/devicetree.cb index 9f25658a5e..6f84acd00a 100644 --- a/src/mainboard/lenovo/x220/devicetree.cb +++ b/src/mainboard/lenovo/x220/devicetree.cb @@ -71,9 +71,7 @@ chip northbridge/intel/sandybridge register "c2_latency" = "101" # c2 not supported register "p_cnt_throttling_supported" = "1" - device pci 16.0 on - subsystemid 0x17aa 0x21db - end # Management Engine Interface 1 + device pci 16.0 off end # Management Engine Interface 1 device pci 16.1 off end # Management Engine Interface 2 device pci 16.2 off end # Management Engine IDE-R device pci 16.3 off end # Management Engine KT -- cgit v1.2.3