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usb.rst: get rid of some Sphinx errors
Get rid of those warnings: Documentation/driver-api/usb/usb.rst:615: ERROR: Unknown target name: "usb_type". Documentation/driver-api/usb/usb.rst:615: ERROR: Unknown target name: "usb_dir". Documentation/driver-api/usb/usb.rst:615: ERROR: Unknown target name: "usb_recip". Documentation/driver-api/usb/usb.rst:679: ERROR: Unknown target name: "usbdevfs_urb_type". Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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@ -615,8 +615,8 @@ USBDEVFS_CONTROL
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The first eight bytes of this structure are the contents of the
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SETUP packet to be sent to the device; see the USB 2.0 specification
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for details. The bRequestType value is composed by combining a
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USB_TYPE_\* value, a USB_DIR_\* value, and a USB_RECIP_\*
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value (from *<linux/usb.h>*). If wLength is nonzero, it describes
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``USB_TYPE_*`` value, a ``USB_DIR_*`` value, and a ``USB_RECIP_*``
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value (from ``linux/usb.h``). If wLength is nonzero, it describes
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the length of the data buffer, which is either written to the device
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(USB_DIR_OUT) or read from the device (USB_DIR_IN).
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@ -678,7 +678,7 @@ the blocking is separate.
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These requests are packaged into a structure that resembles the URB used
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by kernel device drivers. (No POSIX Async I/O support here, sorry.) It
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identifies the endpoint type (USBDEVFS_URB_TYPE_\*), endpoint
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identifies the endpoint type (``USBDEVFS_URB_TYPE_*``), endpoint
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(number, masked with USB_DIR_IN as appropriate), buffer and length,
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and a user "context" value serving to uniquely identify each request.
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(It's usually a pointer to per-request data.) Flags can modify requests
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