linux-kernel - [PATCH 4.11 176/197] PCI/ACPI: Add ThunderX pass2.x 2nd node MCFG quirk

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Message-Id: <20170523200839.165048462@linuxfoundation.org>
Date:   Tue, 23 May 2017 22:08:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Tomasz Nowicki <tn@...ihalf.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Robert Richter <rrichter@...ium.com>
Subject: [PATCH 4.11 176/197] PCI/ACPI: Add ThunderX pass2.x 2nd node MCFG quirk

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tomasz Nowicki <tn@...ihalf.com>

commit cd183740480f045600aa1fa38fe70809b5498f05 upstream.

Currently SoCs pass2.x do not emulate EA headers for ACPI boot method at
all.  However, for pass2.x some devices (like EDAC) advertise incorrect
base addresses in their BARs which results in driver probe failure during
resource request.  Since all problematic blocks are on 2nd NUMA node under
domain 10 add necessary quirk entry to obtain BAR addresses correction
using EA header emulation.

Fixes: 44f22bd91e88 ("PCI: Add MCFG quirks for Cavium ThunderX pass2.x host controller")
Signed-off-by: Tomasz Nowicki <tn@...ihalf.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Acked-by: Robert Richter <rrichter@...ium.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/acpi/pci_mcfg.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/acpi/pci_mcfg.c
+++ b/drivers/acpi/pci_mcfg.c
@@ -101,6 +101,7 @@ static struct mcfg_fixup mcfg_quirks[] =
 	/* SoC pass2.x */
 	THUNDER_PEM_QUIRK(1, 0),
 	THUNDER_PEM_QUIRK(1, 1),
+	THUNDER_ECAM_QUIRK(1, 10),
 
 	/* SoC pass1.x */
 	THUNDER_PEM_QUIRK(2, 0),	/* off-chip devices */