Merge tag 'usb-6.1-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 changes for 6.1-rc1.

  Nothing major in here, lots of little things with new devices
  supported and updates for a few drivers. Highlights include:

   - thunderbolt/USB4 devices supported a bit better than before, and
     some new ids to enable new hardware devices

   - USB gadget uvc updates for newer video formats and better v4l
     integration (the v4l portions were acked by those maintainers)

   - typec updates for tiny issues and more typec drivers for new chips.

   - xhci tiny updates for minor issues

   - big usb-serial ftdi_sio driver update to handle new devices better

   - lots of tiny dwc3 fixes and updates for the IP block that is
     showing up everywhere these days

   - dts updates for new devices being supported

   - other tiny janitorial and cleanups fixes for lots of different USB
     drivers. Full details are in the shortlog.

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

* tag 'usb-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
  usb: gadget: uvc: don't put item still in use
  usb: gadget: uvc: Fix argument to sizeof() in uvc_register_video()
  usb: host: ehci-exynos: switch to using gpiod API
  Revert "usb: dwc3: Don't switch OTG -> peripheral if extcon is present"
  Revert "USB: fixup for merge issue with "usb: dwc3: Don't switch OTG -> peripheral if extcon is present""
  dt-bindings: usb: Convert FOTG210 to dt schema
  usb: mtu3: fix failed runtime suspend in host only mode
  USB: omap_udc: Fix spelling mistake: "tranceiver_ctrl" -> "transceiver_ctrl"
  usb: typec: ucsi_ccg: Disable UCSI ALT support on Tegra
  usb: typec: Replace custom implementation of device_match_fwnode()
  usb: typec: ucsi: Don't warn on probe deferral
  usb: add quirks for Lenovo OneLink+ Dock
  MAINTAINERS: switch dwc3 to Thinh
  usb: idmouse: fix an uninit-value in idmouse_open
  USB: PHY: JZ4770: Switch to use dev_err_probe() helper
  usb: phy: generic: Switch to use dev_err_probe() helper
  usb: ulpi: use DEFINE_SHOW_ATTRIBUTE to simplify ulpi_regs
  usb: cdns3: remove dead code
  usb: cdc-wdm: Use skb_put_data() instead of skb_put/memcpy pair
  usb: musb: sunxi: Switch to use dev_err_probe() helper
  ...

1 files changed, 64 insertions, 32 deletions

diff --git a/drivers/usb/common/debug.c b/drivers/usb/common/debug.c
index 075f6b1b2a1a..f204cec8d380 100644
--- a/drivers/usb/common/debug.c
+++ b/drivers/usb/common/debug.c
@@ -208,30 +208,28 @@ static void usb_decode_set_isoch_delay(__u8 wValue, char *str, size_t size)
 	snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", wValue);
 }
 
-/**
- * usb_decode_ctrl - Returns human readable representation of control request.
- * @str: buffer to return a human-readable representation of control request.
- *       This buffer should have about 200 bytes.
- * @size: size of str buffer.
- * @bRequestType: matches the USB bmRequestType field
- * @bRequest: matches the USB bRequest field
- * @wValue: matches the USB wValue field (CPU byte order)
- * @wIndex: matches the USB wIndex field (CPU byte order)
- * @wLength: matches the USB wLength field (CPU byte order)
- *
- * Function returns decoded, formatted and human-readable description of
- * control request packet.
- *
- * The usage scenario for this is for tracepoints, so function as a return
- * use the same value as in parameters. This approach allows to use this
- * function in TP_printk
- *
- * Important: wValue, wIndex, wLength parameters before invoking this function
- * should be processed by le16_to_cpu macro.
- */
-const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
-			    __u8 bRequest, __u16 wValue, __u16 wIndex,
-			    __u16 wLength)
+static void usb_decode_ctrl_generic(char *str, size_t size, __u8 bRequestType,
+				    __u8 bRequest, __u16 wValue, __u16 wIndex,
+				    __u16 wLength)
+{
+	u8 recip = bRequestType & USB_RECIP_MASK;
+	u8 type = bRequestType & USB_TYPE_MASK;
+
+	snprintf(str, size,
+		 "Type=%s Recipient=%s Dir=%s bRequest=%u wValue=%u wIndex=%u wLength=%u",
+		 (type == USB_TYPE_STANDARD)    ? "Standard" :
+		 (type == USB_TYPE_VENDOR)      ? "Vendor" :
+		 (type == USB_TYPE_CLASS)       ? "Class" : "Unknown",
+		 (recip == USB_RECIP_DEVICE)    ? "Device" :
+		 (recip == USB_RECIP_INTERFACE) ? "Interface" :
+		 (recip == USB_RECIP_ENDPOINT)  ? "Endpoint" : "Unknown",
+		 (bRequestType & USB_DIR_IN)    ? "IN" : "OUT",
+		 bRequest, wValue, wIndex, wLength);
+}
+
+static void usb_decode_ctrl_standard(char *str, size_t size, __u8 bRequestType,
+				     __u8 bRequest, __u16 wValue, __u16 wIndex,
+				     __u16 wLength)
 {
 	switch (bRequest) {
 	case USB_REQ_GET_STATUS:
@@ -272,14 +270,48 @@ const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
 		usb_decode_set_isoch_delay(wValue, str, size);
 		break;
 	default:
-		snprintf(str, size, "%02x %02x %02x %02x %02x %02x %02x %02x",
-			 bRequestType, bRequest,
-			 (u8)(cpu_to_le16(wValue) & 0xff),
-			 (u8)(cpu_to_le16(wValue) >> 8),
-			 (u8)(cpu_to_le16(wIndex) & 0xff),
-			 (u8)(cpu_to_le16(wIndex) >> 8),
-			 (u8)(cpu_to_le16(wLength) & 0xff),
-			 (u8)(cpu_to_le16(wLength) >> 8));
+		usb_decode_ctrl_generic(str, size, bRequestType, bRequest,
+					wValue, wIndex, wLength);
+		break;
+	}
+}
+
+/**
+ * usb_decode_ctrl - Returns human readable representation of control request.
+ * @str: buffer to return a human-readable representation of control request.
+ *       This buffer should have about 200 bytes.
+ * @size: size of str buffer.
+ * @bRequestType: matches the USB bmRequestType field
+ * @bRequest: matches the USB bRequest field
+ * @wValue: matches the USB wValue field (CPU byte order)
+ * @wIndex: matches the USB wIndex field (CPU byte order)
+ * @wLength: matches the USB wLength field (CPU byte order)
+ *
+ * Function returns decoded, formatted and human-readable description of
+ * control request packet.
+ *
+ * The usage scenario for this is for tracepoints, so function as a return
+ * use the same value as in parameters. This approach allows to use this
+ * function in TP_printk
+ *
+ * Important: wValue, wIndex, wLength parameters before invoking this function
+ * should be processed by le16_to_cpu macro.
+ */
+const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
+			    __u8 bRequest, __u16 wValue, __u16 wIndex,
+			    __u16 wLength)
+{
+	switch (bRequestType & USB_TYPE_MASK) {
+	case USB_TYPE_STANDARD:
+		usb_decode_ctrl_standard(str, size, bRequestType, bRequest,
+					 wValue, wIndex, wLength);
+		break;
+	case USB_TYPE_VENDOR:
+	case USB_TYPE_CLASS:
+	default:
+		usb_decode_ctrl_generic(str, size, bRequestType, bRequest,
+					wValue, wIndex, wLength);
+		break;
 	}
 
 	return str;