Merge tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver changes for 6.3-rc1.

  Nothing major in here, just lots of good development, including:

   - Thunderbolt additions for new device support and features

   - xhci driver updates and cleanups

   - USB gadget media driver updates (includes media core changes that
     were acked by the v4l2 maintainers)

   - lots of other USB gadget driver updates for new features

   - dwc3 driver updates and fixes

   - minor debugfs leak fixes

   - typec driver updates and additions

   - dt-bindings conversions to yaml

   - other small bugfixes and driver updates

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

* tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (237 commits)
  usb: dwc3: xilinx: Remove unused of_gpio,h
  usb: typec: pd: Add higher capability sysfs for sink PDO
  usb: typec: pd: Remove usb_suspend_supported sysfs from sink PDO
  usb: dwc3: pci: add support for the Intel Meteor Lake-M
  usb: gadget: u_ether: Don't warn in gether_setup_name_default()
  usb: gadget: u_ether: Convert prints to device prints
  usb: gadget: u_serial: Add null pointer check in gserial_resume
  usb: gadget: uvc: fix missing mutex_unlock() if kstrtou8() fails
  xhci: host: potential NULL dereference in xhci_generic_plat_probe()
  dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: make G12A usb3-phy0 optional
  usb: host: fsl-mph-dr-of: reuse device_set_of_node_from_dev
  of: device: Do not ignore error code in of_device_uevent_modalias
  of: device: Ignore modalias of reused nodes
  usb: gadget: configfs: Fix set but not used variable warning
  usb: gadget: uvc: Use custom strings if available
  usb: gadget: uvc: Allow linking function to string descs
  usb: gadget: uvc: Pick up custom string descriptor IDs
  usb: gadget: uvc: Allow linking XUs to string descriptors
  usb: gadget: configfs: Attach arbitrary strings to cdev
  usb: gadget: configfs: Support arbitrary string descriptors
  ...

1 files changed, 43 insertions, 9 deletions

diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index 0c661a706160..6e7d28e8d81a 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -230,7 +230,6 @@ static int check_config_address(struct tb_cfg_address addr,
 static struct tb_cfg_result decode_error(const struct ctl_pkg *response)
 {
 	struct cfg_error_pkg *pkg = response->buffer;
-	struct tb_ctl *ctl = response->ctl;
 	struct tb_cfg_result res = { 0 };
 	res.response_route = tb_cfg_get_route(&pkg->header);
 	res.response_port = 0;
@@ -239,13 +238,6 @@ static struct tb_cfg_result decode_error(const struct ctl_pkg *response)
 	if (res.err)
 		return res;
 
-	if (pkg->zero1)
-		tb_ctl_warn(ctl, "pkg->zero1 is %#x\n", pkg->zero1);
-	if (pkg->zero2)
-		tb_ctl_warn(ctl, "pkg->zero2 is %#x\n", pkg->zero2);
-	if (pkg->zero3)
-		tb_ctl_warn(ctl, "pkg->zero3 is %#x\n", pkg->zero3);
-
 	res.err = 1;
 	res.tb_error = pkg->error;
 	res.response_port = pkg->port;
@@ -416,6 +408,7 @@ static int tb_async_error(const struct ctl_pkg *pkg)
 	case TB_CFG_ERROR_LINK_ERROR:
 	case TB_CFG_ERROR_HEC_ERROR_DETECTED:
 	case TB_CFG_ERROR_FLOW_CONTROL_ERROR:
+	case TB_CFG_ERROR_DP_BW:
 		return true;
 
 	default:
@@ -736,6 +729,47 @@ void tb_ctl_stop(struct tb_ctl *ctl)
 /* public interface, commands */
 
 /**
+ * tb_cfg_ack_notification() - Ack notification
+ * @ctl: Control channel to use
+ * @route: Router that originated the event
+ * @error: Pointer to the notification package
+ *
+ * Call this as response for non-plug notification to ack it. Returns
+ * %0 on success or an error code on failure.
+ */
+int tb_cfg_ack_notification(struct tb_ctl *ctl, u64 route,
+			    const struct cfg_error_pkg *error)
+{
+	struct cfg_ack_pkg pkg = {
+		.header = tb_cfg_make_header(route),
+	};
+	const char *name;
+
+	switch (error->error) {
+	case TB_CFG_ERROR_LINK_ERROR:
+		name = "link error";
+		break;
+	case TB_CFG_ERROR_HEC_ERROR_DETECTED:
+		name = "HEC error";
+		break;
+	case TB_CFG_ERROR_FLOW_CONTROL_ERROR:
+		name = "flow control error";
+		break;
+	case TB_CFG_ERROR_DP_BW:
+		name = "DP_BW";
+		break;
+	default:
+		name = "unknown";
+		break;
+	}
+
+	tb_ctl_dbg(ctl, "acking %s (%#x) notification on %llx\n", name,
+		   error->error, route);
+
+	return tb_ctl_tx(ctl, &pkg, sizeof(pkg), TB_CFG_PKG_NOTIFY_ACK);
+}
+
+/**
  * tb_cfg_ack_plug() - Ack hot plug/unplug event
  * @ctl: Control channel to use
  * @route: Router that originated the event
@@ -754,7 +788,7 @@ int tb_cfg_ack_plug(struct tb_ctl *ctl, u64 route, u32 port, bool unplug)
 		.pg = unplug ? TB_CFG_ERROR_PG_HOT_UNPLUG
 			     : TB_CFG_ERROR_PG_HOT_PLUG,
 	};
-	tb_ctl_dbg(ctl, "acking hot %splug event on %llx:%x\n",
+	tb_ctl_dbg(ctl, "acking hot %splug event on %llx:%u\n",
 		   unplug ? "un" : "", route, port);
 	return tb_ctl_tx(ctl, &pkg, sizeof(pkg), TB_CFG_PKG_ERROR);
 }