From: Gary van der Merwe <garyvdm@gmail.com>
To: linux-usb@vger.kernel.org
Subject: Bug report: pl2303 unknown device type -
Date: Mon, 16 May 2022 19:48:51 +0200 [thread overview]
Message-ID: <CAJixRzqf4a9-ZKZDgWxicc_BpfdZVE9qqGmkiO7xEstOXUbGvQ@mail.gmail.com> (raw)
Hi
We have a Cashino PTP-lil/BT24 Slip printer[1]. When configured in
serial mode, it uses a pl2303 chip. This has not detected by the
kernel since 5.13. The bcdUSB is 1.01, and the driver was changed to
only allow 1.10 and 2.00 [2] Please consider adding 1.01 as an
allowed pl2303 bcdUSB.
Thanks, Gary
# uname -a
Linux GAU233333LD12 5.17.6-051706-generic #202205090841 SMP PREEMPT
Mon May 9 08:51:54 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
# journalctl -b -k -g pl2303 -o cat
usbcore: registered new interface driver pl2303
usbserial: USB Serial support registered for pl2303
pl2303 3-3:1.0: pl2303 converter detected
pl2303 3-3:1.0: unknown device type, please report to linux-usb@vger.kernel.org
Full output of lsusb -v: https://launchpadlibrarian.net/599900231/lsusb-v
[1] https://www.cashinotech.com/ptp-iii-80mm-portable-mobile-thermal-printer_p23.html
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/usb/serial/pl2303.c#n421
next reply other threads:[~2022-05-16 17:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-16 17:48 Gary van der Merwe [this message]
2022-05-17 15:59 ` Bug report: pl2303 unknown device type - Johan Hovold
2022-05-17 16:26 ` Gary van der Merwe
2022-05-18 11:54 ` Johan Hovold
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