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

Tim Gardner tim.gardner at canonical.com
Mon Jun 13 12:09:49 UTC 2022


Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 6/13/22 00:11, 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:
>    https://people.canonical.com/~phlin/kernel/lp-1967493-pl2303/
> 
> 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.
> 
> Johan Hovold (1):
>    USB: serial: pl2303: fix type detection for odd device
> 
>   drivers/usb/serial/pl2303.c | 3 +++
>   1 file changed, 3 insertions(+)
> 

-- 
-----------
Tim Gardner
Canonical, Inc



More information about the kernel-team mailing list