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-rw-r--r--drivers/usb/host/xhci-hub.c3
-rw-r--r--drivers/usb/host/xhci-pci.c12
-rw-r--r--drivers/usb/host/xhci.h1
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 144f5fbd6aa3..932ff8179d61 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1350,6 +1350,9 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
t2 |= PORT_WKOC_E | PORT_WKCONN_E;
t2 &= ~PORT_WKDISC_E;
}
+ if ((xhci->quirks & XHCI_U2_DISABLE_WAKE) &&
+ (hcd->speed < HCD_USB3))
+ t2 &= ~PORT_WAKE_BITS;
} else
t2 &= ~PORT_WAKE_BITS;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 1bcf971141c0..0965bae95a7b 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -54,6 +54,11 @@
#define PCI_DEVICE_ID_INTEL_APL_XHCI 0x5aa8
#define PCI_DEVICE_ID_INTEL_DNV_XHCI 0x19d0
+#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
+#define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba
+#define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb
+#define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc
+
static const char hcd_name[] = "xhci_hcd";
static struct hc_driver __read_mostly xhci_pci_hc_driver;
@@ -135,6 +140,13 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
if (pdev->vendor == PCI_VENDOR_ID_AMD)
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ if ((pdev->vendor == PCI_VENDOR_ID_AMD) &&
+ ((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) ||
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_3) ||
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_2) ||
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_1)))
+ xhci->quirks |= XHCI_U2_DISABLE_WAKE;
+
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
xhci->quirks |= XHCI_LPM_SUPPORT;
xhci->quirks |= XHCI_INTEL_HOST;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 2496bd6304ca..1b2d18db1403 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1819,6 +1819,7 @@ struct xhci_hcd {
/* For controller with a broken Port Disable implementation */
#define XHCI_BROKEN_PORT_PED (1 << 25)
#define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26)
+#define XHCI_U2_DISABLE_WAKE (1 << 27)
unsigned int num_active_eps;
unsigned int limit_active_eps;