NACK[Unstable]: [I/J][K/Unstable][OEM-5.14/OEM-5.17][SRU][PATCH 0/1] pl2303: fix type detection for odd device

Andrea Righi andrea.righi at
Thu Jun 23 13:00:10 UTC 2022

On Mon, Jun 13, 2022 at 02:11:04PM +0800, Po-Hsu Lin wrote:
> [Impact]
> After switching to a more strict chip type detection for the pl2303
> USB to serial adaptor driver in commit 8a7bf751 ("USB: serial: pl2303:
> amend and tighten type detection")
> Device with bcdUSB other than 1.10 and 2.00 will stop working. For
> example the Cashino PTP-lil/BT24 Slip printer with bcdUSB 1.01.
> [Fix]
> * e82e7c6dde ("USB: serial: pl2303: fix type detection for odd device")
> This patch can be cherry-picked to all of the affected kernels.
> [Test]
> Test kernels can be found here:
> F-5.13 has been tested by the bug reporter and the result is good.
> [Where problems could occur]
> Change limited to this specific driver (and even to this specific type
> of devices), if anything goes wrong the adaptor might be not working.

Already applied to linux-unstable.


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