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| /openbmc/linux/drivers/usb/misc/ |
| H A D | usbtest.c | diff 7c79d094358326132693279bfb22e4f8454cc652 Tue Aug 23 03:44:54 CDT 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de> USB: usbtest: use URB_ZERO_PACKET for BULK-OUT transfers
Executing
| testusb -a -c 1 -t 3 -v 421 -s 2048
does not complete on the gadget side.
g_zero enqueues a 4096 bytes long buffer. The host sends 2048bytes which
is a multiple of wMaxPacketSize (either 64 or 512 bytes). The host is
done with sending data but the gadget waits for more.
Since the protocol does not include transfer-length-field sending a
terminating zero packet seems the only way out.
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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