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usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform
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commit 660a92a 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@vger.kernel.org>
Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211014121200.75433-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nehal Bakulchandra Shah authored and gregkh committed Nov 17, 2021
1 parent 8eb1d2c commit d725957
Showing 1 changed file with 16 additions and 0 deletions.
16 changes: 16 additions & 0 deletions drivers/usb/host/xhci-pci.c
Expand Up @@ -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
Expand Down Expand Up @@ -317,6 +324,15 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
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");
Expand Down

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