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The opening comment mark '/**' is used for highlighting the beginning of
kernel-doc comments.
The header for drivers/usb/gadget/udc/trace files follows this syntax, but
the content inside does not comply with kernel-doc.
This line was probably not meant for kernel-doc parsing, but is parsed
due to the presence of kernel-doc like comment syntax(i.e, '/**'), which
causes unexpected warning from kernel-doc.
For e.g., running scripts/kernel-doc -none drivers/usb/gadget/udc/trace.h
emits:
warning: expecting prototype for udc.c(). Prototype was for TRACE_SYSTEM() instead
Provide a simple fix by replacing this occurrence with general comment
format, i.e. '/*', to prevent kernel-doc from parsing it.
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Aditya Srivastava <yashsri421@gmail.com>
Link: https://lore.kernel.org/r/20210522115227.9977-1-yashsri421@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This allows to identify transfer request, if more than one are in queue.
This is allowed by usb_ep_queue : "Any endpoint
(except control endpoints like ep0) may have more than one transfer
request queued; they complete in FIFO order."
For example with adb gadget with function fs :
<-transport-225 [002] d..1 47.136641: usb_ep_queue: ep1out: req ffffffc07b93ef10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
->transport-224 [000] d..1 47.153947: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
sh-452 [000] d.h2 47.153984: usb_gadget_giveback_request: ep1in: req ffffffc07c0def10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
sh-452 [000] d.h. 47.154305: usb_gadget_giveback_request: ep1out: req ffffffc07b93ef10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
<-transport-225 [002] d..1 47.154363: usb_ep_queue: ep1out: req ffffffc07b93ef10 length 0/21 sgs 0/0 stream 0 zsI status -115 --> 0
sh-452 [000] d.h. 47.154378: usb_gadget_giveback_request: ep1out: req ffffffc07b93ef10 length 21/21 sgs 0/0 stream 0 zsI status 0 --> 0
<-transport-225 [002] d..1 47.154463: usb_ep_queue: ep1out: req ffffffc07b93ef10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
->transport-224 [000] d..1 47.154583: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
sh-452 [000] d.h2 47.154600: usb_gadget_giveback_request: ep1in: req ffffffc07c0def10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
->transport-224 [000] d..1 47.164863: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
->transport-224 [000] d.h1 47.164887: usb_gadget_giveback_request: ep1in: req ffffffc07c0def10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
->transport-224 [000] d..1 47.164907: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/122 sgs 0/0 stream 0 zsI status -115 --> 0
Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Now that the SPDX tag is in all USB files, that identifies the license
in a specific and legally-defined manner. So the extra GPL text wording
can be removed as it is no longer needed at all.
This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text. And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.
No copyright headers or other non-license-description text was removed.
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: Sylvain Lemieux <slemieux.tyco@gmail.com>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
Cc: Raviteja Garimella <raviteja.garimella@broadcom.com>
Cc: Romain Perier <romain.perier@collabora.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Al Cooper <alcooperx@gmail.com>
Cc: Srinath Mannam <srinath.mannam@broadcom.com>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Krzysztof Opasiak <k.opasiak@samsung.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: "Felix Hädicke" <felixhaedicke@web.de>
Cc: Peter Chen <peter.chen@nxp.com>
Cc: Allen Pais <allen.lkml@gmail.com>
Cc: Yuyang Du <yuyang.du@intel.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/usb/ and include/linux/usb* files with the correct
SPDX license identifier based on the license text in the file itself.
The SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This new set of tracepoints will help all gadget
drivers and UDC drivers when problem appears. Note
that, in order to be able to add tracepoints to
udc-core.c we had to rename that to core.c and
statically link it with trace.c to form
udc-core.o. This is to make sure that module name
stays the same.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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