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Message-Id: <20211115165428.812514168@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 17:51:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Shyam Sundar S K <Shyam-sundar.S-k@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Basavaraj Natikar <Basavaraj.Natikar@....com>,
        Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@....com>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>
Subject: [PATCH 5.15 002/917] usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform

From: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@....com>

commit 660a92a59b9e831a0407e41ff62875656d30006e upstream.

AMD's Yellow Carp platform supports runtime power management for
XHCI Controllers, so enable the same by default for all XHCI Controllers.

[ regrouped and aligned the PCI_DEVICE_ID definitions -Mathias]

Cc: stable <stable@...r.kernel.org>
Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@....com>
Reviewed-by: Mario Limonciello <mario.limonciello@....com>
Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@....com>
Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@....com>
Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
Link: https://lore.kernel.org/r/20211014121200.75433-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/host/xhci-pci.c |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -65,6 +65,13 @@
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_3			0x43ba
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_2			0x43bb
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_1			0x43bc
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1		0x161a
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2		0x161b
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3		0x161d
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4		0x161e
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5		0x15d6
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6		0x15d7
+
 #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI			0x1042
 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI		0x1142
 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI			0x1242
@@ -317,6 +324,15 @@ static void xhci_pci_quirks(struct devic
 	     pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4))
 		xhci->quirks |= XHCI_NO_SOFT_RETRY;
 
+	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+	    (pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6))
+		xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
+
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
 				"QUIRK: Resetting on resume");


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