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(parent: 87db78f) | patch
usb-serial: Increase receive buffer to 496
authorJason Andryuk <jandryuk@gmail.com>
Mon, 16 Mar 2020 17:46:09 +0000 (13:46 -0400)
committerGerd Hoffmann <kraxel@redhat.com>
Tue, 17 Mar 2020 08:05:33 +0000 (09:05 +0100)
commit30ad5fdd34d9cfc9f16e73e0229c133d7317a42a
treeeed8efab538474e0eda3ff5fc8ad2bdb046b26c4tree
parent87db78f743668224ae9a5346229faed56ef7ff66commit | diff
usb-serial: Increase receive buffer to 496

A FTDI USB adapter on an xHCI controller can send 512 byte USB packets.
These are 8 * ( 2 bytes header + 62 bytes data).  A 384 byte receive
buffer is insufficient to fill a 512 byte packet, so bump the receive
size to 496 ( 512 - 2 * 8 ).

Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20200316174610.115820-4-jandryuk@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
hw/usb/dev-serial.c diff | blob | history
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