diff options
| author | saturneric <[email protected]> | 2025-12-01 11:31:10 +0000 |
|---|---|---|
| committer | saturneric <[email protected]> | 2025-12-01 11:31:10 +0000 |
| commit | fa2a26ee8b4693d3733a7d58863cb38cb0e8680e (patch) | |
| tree | 01f99691b8e34c516e435932f1353ad673bedf2e /drivers/usb/host/xhci-ring.c | |
| parent | fix(driver): sync specific drivers from rpi upstream (diff) | |
| parent | Linux 6.18 (diff) | |
| download | kernel-main.tar.gz kernel-main.zip | |
Merge tag 'v6.18' into linux-6.18.yHEADmainlinux-6.18.y
Linux 6.18
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 139b8560dde0..8c72182b3fb8 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2029,6 +2029,7 @@ static void xhci_cavium_reset_phy_quirk(struct xhci_hcd *xhci) static void handle_port_status(struct xhci_hcd *xhci, union xhci_trb *event) { + struct xhci_virt_device *vdev = NULL; struct usb_hcd *hcd; u32 port_id; u32 portsc, cmd_reg; @@ -2060,6 +2061,9 @@ static void handle_port_status(struct xhci_hcd *xhci, union xhci_trb *event) goto cleanup; } + if (port->slot_id) + vdev = xhci->devs[port->slot_id]; + /* We might get interrupts after shared_hcd is removed */ if (port->rhub == &xhci->usb3_rhub && xhci->shared_hcd == NULL) { xhci_dbg(xhci, "ignore port event for removed USB3 hcd\n"); @@ -2082,10 +2086,11 @@ static void handle_port_status(struct xhci_hcd *xhci, union xhci_trb *event) usb_hcd_resume_root_hub(hcd); } - if (hcd->speed >= HCD_USB3 && - (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) { - if (port->slot_id && xhci->devs[port->slot_id]) - xhci->devs[port->slot_id]->flags |= VDEV_PORT_ERROR; + if (vdev && (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) { + if (!(portsc & PORT_RESET)) + vdev->flags |= VDEV_PORT_ERROR; + } else if (vdev && portsc & PORT_RC) { + vdev->flags &= ~VDEV_PORT_ERROR; } if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) { @@ -2143,7 +2148,7 @@ static void handle_port_status(struct xhci_hcd *xhci, union xhci_trb *event) * so the roothub behavior is consistent with external * USB 3.0 hub behavior. */ - if (port->slot_id && xhci->devs[port->slot_id]) + if (vdev) xhci_ring_device(xhci, port->slot_id); if (bus_state->port_remote_wakeup & (1 << hcd_portnum)) { xhci_test_and_clear_bit(xhci, port, PORT_PLC); |