[PATCH v2 1/1] usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

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]
Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx>
Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
---

v2: regroup and align the new PCI_DEVICE_ID definitions

drivers/usb/host/xhci-pci.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 2c9f25ca8edd..57f097cdd2e5 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -64,6 +64,13 @@
 #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
@@ -313,6 +320,15 @@ 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");
-- 
2.25.1




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux