Merge tag 'usb-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver updates for
  6.15-rc1. Included in here are:

   - Thunderbolt driver and core api updates for new hardware and
     features

   - usb-storage const array cleanups

   - typec driver updates

   - dwc3 driver updates

   - xhci driver updates and bugfixes

   - small USB documentation updates

   - usb cdns3 driver updates

   - usb gadget driver updates

   - other small driver updates and fixes

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (92 commits)
  thunderbolt: Do not add non-active NVM if NVM upgrade is disabled for retimer
  thunderbolt: Scan retimers after device router has been enumerated
  usb: host: cdns3: forward lost power information to xhci
  usb: host: xhci-plat: allow upper layers to signal power loss
  usb: xhci: change xhci_resume() parameters to explicit the desired info
  usb: cdns3-ti: run HW init at resume() if HW was reset
  usb: cdns3-ti: move reg writes to separate function
  usb: cdns3: call cdns_power_is_lost() only once in cdns_resume()
  usb: cdns3: rename hibernated argument of role->resume() to lost_power
  usb: xhci: tegra: rename `runtime` boolean to `is_auto_runtime`
  usb: host: xhci-plat: mvebu: use ->quirks instead of ->init_quirk() func
  usb: dwc3: Don't use %pK through printk
  usb: core: Don't use %pK through printk
  usb: gadget: aspeed: Add NULL pointer check in ast_vhub_init_dev()
  dt-bindings: usb: qcom,dwc3: Synchronize minItems for interrupts and -names
  usb: common: usb-conn-gpio: switch psy_cfg from of_node to fwnode
  usb: xhci: Avoid Stop Endpoint retry loop if the endpoint seems Running
  usb: xhci: Don't change the status of stalled TDs on failed Stop EP
  xhci: Avoid queuing redundant Stop Endpoint command for stalled endpoint
  xhci: Handle spurious events on Etron host isoc enpoints
  ...

3 files changed, 27 insertions, 13 deletions

diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c
index 1f25529fe05d..361fece3d818 100644
--- a/drivers/thunderbolt/retimer.c
+++ b/drivers/thunderbolt/retimer.c
@@ -93,9 +93,11 @@ static int tb_retimer_nvm_add(struct tb_retimer *rt)
 	if (ret)
 		goto err_nvm;
 
-	ret = tb_nvm_add_non_active(nvm, nvm_write);
-	if (ret)
-		goto err_nvm;
+	if (!rt->no_nvm_upgrade) {
+		ret = tb_nvm_add_non_active(nvm, nvm_write);
+		if (ret)
+			goto err_nvm;
+	}
 
 	rt->nvm = nvm;
 	dev_dbg(&rt->dev, "NVM version %x.%x\n", nvm->major, nvm->minor);
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 390abcfe7188..8c527af98927 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1305,12 +1305,16 @@ static void tb_scan_port(struct tb_port *port)
 		goto out_rpm_put;
 	}
 
-	tb_retimer_scan(port, true);
-
 	sw = tb_switch_alloc(port->sw->tb, &port->sw->dev,
 			     tb_downstream_route(port));
 	if (IS_ERR(sw)) {
 		/*
+		 * Make the downstream retimers available even if there
+		 * is no router connected.
+		 */
+		tb_retimer_scan(port, true);
+
+		/*
 		 * If there is an error accessing the connected switch
 		 * it may be connected to another domain. Also we allow
 		 * the other domain to be connected to a max depth switch.
@@ -1360,6 +1364,14 @@ static void tb_scan_port(struct tb_port *port)
 	tb_configure_link(port, upstream_port, sw);
 
 	/*
+	 * Scan for downstream retimers. We only scan them after the
+	 * router has been enumerated to avoid issues with certain
+	 * Pluggable devices that expect the host to enumerate them
+	 * within certain timeout.
+	 */
+	tb_retimer_scan(port, true);
+
+	/*
 	 * CL0s and CL1 are enabled and supported together.
 	 * Silently ignore CLx enabling in case CLx is not supported.
 	 */
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c
index 717b31d78728..76254ed3f47f 100644
--- a/drivers/thunderbolt/tunnel.c
+++ b/drivers/thunderbolt/tunnel.c
@@ -2229,19 +2229,15 @@ struct tb_tunnel *tb_tunnel_alloc_usb3(struct tb *tb, struct tb_port *up,
 
 	path = tb_path_alloc(tb, down, TB_USB3_HOPID, up, TB_USB3_HOPID, 0,
 			     "USB3 Down");
-	if (!path) {
-		tb_tunnel_put(tunnel);
-		return NULL;
-	}
+	if (!path)
+		goto err_free;
 	tb_usb3_init_path(path);
 	tunnel->paths[TB_USB3_PATH_DOWN] = path;
 
 	path = tb_path_alloc(tb, up, TB_USB3_HOPID, down, TB_USB3_HOPID, 0,
 			     "USB3 Up");
-	if (!path) {
-		tb_tunnel_put(tunnel);
-		return NULL;
-	}
+	if (!path)
+		goto err_free;
 	tb_usb3_init_path(path);
 	tunnel->paths[TB_USB3_PATH_UP] = path;
 
@@ -2258,6 +2254,10 @@ struct tb_tunnel *tb_tunnel_alloc_usb3(struct tb *tb, struct tb_port *up,
 	}
 
 	return tunnel;
+
+err_free:
+	tb_tunnel_put(tunnel);
+	return NULL;
 }
 
 /**