USB / Thunderbolt driver fixes for 6.11-rc4

Here are some small USB and Thunderbolt driver fixes for 6.11-rc4 to
 resolve some reported issues.  Included in here are:
   - thunderbolt driver fixes for reported problems
   - typec driver fixes
   - xhci fixes
   - new device id for ljca usb driver
 
 All of these have been in linux-next this week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver fixes from Greg KH:
 "Here are some small USB and Thunderbolt driver fixes for 6.11-rc4 to
  resolve some reported issues. Included in here are:

   - thunderbolt driver fixes for reported problems

   - typec driver fixes

   - xhci fixes

   - new device id for ljca usb driver

  All of these have been in linux-next this week with no reported
  issues"

* tag 'usb-6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  xhci: Fix Panther point NULL pointer deref at full-speed re-enumeration
  usb: misc: ljca: Add Lunar Lake ljca GPIO HID to ljca_gpio_hids[]
  Revert "usb: typec: tcpm: clear pd_event queue in PORT_RESET"
  usb: typec: ucsi: Fix the return value of ucsi_run_command()
  usb: xhci: fix duplicate stall handling in handle_tx_event()
  usb: xhci: Check for xhci->interrupters being allocated in xhci_mem_clearup()
  thunderbolt: Mark XDomain as unplugged when router is removed
  thunderbolt: Fix memory leaks in {port|retimer}_sb_regs_write()

drivers/thunderbolt/debugfs.c

@@ -323,16 +323,17 @@ static ssize_t port_sb_regs_write(struct file *file, const char __user *user_buf
 
 	if (mutex_lock_interruptible(&tb->lock)) {
 		ret = -ERESTARTSYS;
-		goto out_rpm_put;
+		goto out;
 	}
 
 	ret = sb_regs_write(port, port_sb_regs, ARRAY_SIZE(port_sb_regs),
 			    USB4_SB_TARGET_ROUTER, 0, buf, count, ppos);
 
 	mutex_unlock(&tb->lock);
-out_rpm_put:
+out:
 	pm_runtime_mark_last_busy(&sw->dev);
 	pm_runtime_put_autosuspend(&sw->dev);
+	free_page((unsigned long)buf);
 
 	return ret < 0 ? ret : count;
 }
@@ -355,16 +356,17 @@ static ssize_t retimer_sb_regs_write(struct file *file,
 
 	if (mutex_lock_interruptible(&tb->lock)) {
 		ret = -ERESTARTSYS;
-		goto out_rpm_put;
+		goto out;
 	}
 
 	ret = sb_regs_write(rt->port, retimer_sb_regs, ARRAY_SIZE(retimer_sb_regs),
 			    USB4_SB_TARGET_RETIMER, rt->index, buf, count, ppos);
 
 	mutex_unlock(&tb->lock);
-out_rpm_put:
+out:
 	pm_runtime_mark_last_busy(&rt->dev);
 	pm_runtime_put_autosuspend(&rt->dev);
+	free_page((unsigned long)buf);
 
 	return ret < 0 ? ret : count;
 }

drivers/thunderbolt/switch.c

@@ -3392,6 +3392,7 @@ void tb_switch_remove(struct tb_switch *sw)
 			tb_switch_remove(port->remote->sw);
 			port->remote = NULL;
 		} else if (port->xdomain) {
+			port->xdomain->is_unplugged = true;
 			tb_xdomain_remove(port->xdomain);
 			port->xdomain = NULL;
 		}

drivers/usb/host/xhci-mem.c

@@ -1872,7 +1872,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 
 	cancel_delayed_work_sync(&xhci->cmd_timer);
 
-	for (i = 0; i < xhci->max_interrupters; i++) {
+	for (i = 0; xhci->interrupters && i < xhci->max_interrupters; i++) {
 		if (xhci->interrupters[i]) {
 			xhci_remove_interrupter(xhci, xhci->interrupters[i]);
 			xhci_free_interrupter(xhci, xhci->interrupters[i]);

drivers/usb/host/xhci-ring.c

@@ -2910,6 +2910,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 		process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event);
 	else
 		process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event);
+	return 0;
 
 check_endpoint_halted:
 	if (xhci_halted_host_endpoint(ep_ctx, trb_comp_code))

drivers/usb/host/xhci.c

@@ -2837,7 +2837,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 				xhci->num_active_eps);
 		return -ENOMEM;
 	}
-	if ((xhci->quirks & XHCI_SW_BW_CHECKING) &&
+	if ((xhci->quirks & XHCI_SW_BW_CHECKING) && !ctx_change &&
 	    xhci_reserve_bandwidth(xhci, virt_dev, command->in_ctx)) {
 		if ((xhci->quirks & XHCI_EP_LIMIT_QUIRK))
 			xhci_free_host_resources(xhci, ctrl_ctx);
@@ -4200,8 +4200,10 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
 		mutex_unlock(&xhci->mutex);
 		ret = xhci_disable_slot(xhci, udev->slot_id);
 		xhci_free_virt_device(xhci, udev->slot_id);
-		if (!ret)
-			xhci_alloc_dev(hcd, udev);
+		if (!ret) {
+			if (xhci_alloc_dev(hcd, udev) == 1)
+				xhci_setup_addressable_virt_dev(xhci, udev);
+		}
 		kfree(command->completion);
 		kfree(command);
 		return -EPROTO;

drivers/usb/misc/usb-ljca.c

@@ -169,6 +169,7 @@ static const struct acpi_device_id ljca_gpio_hids[] = {
 	{ "INTC1096" },
 	{ "INTC100B" },
 	{ "INTC10D1" },
+	{ "INTC10B5" },
 	{},
 };
 

drivers/usb/typec/tcpm/tcpm.c

@@ -5655,7 +5655,6 @@ static void run_state_machine(struct tcpm_port *port)
 		break;
 	case PORT_RESET:
 		tcpm_reset_port(port);
-		port->pd_events = 0;
 		if (port->self_powered)
 			tcpm_set_cc(port, TYPEC_CC_OPEN);
 		else

drivers/usb/typec/ucsi/ucsi.c

@@ -137,7 +137,7 @@ static int ucsi_run_command(struct ucsi *ucsi, u64 command, u32 *cci,
 	if (ret)
 		return ret;
 
-	return err;
+	return err ?: UCSI_CCI_LENGTH(*cci);
 }
 
 static int ucsi_read_error(struct ucsi *ucsi, u8 connector_num)