Re: [PATCH v8 1/2] usb: serial: add support for CH348

[David Heidelberg]

If another Tested-by is needed to get this in, I can build kernel w/ 
driver and give it shot too.

Thanks for your work & testing!

On 30/03/2025 03:24, Nicolas Frattaroli wrote:
> On Tue, 4 Feb 2025 13:58:40 +0000 Corentin Labbe wrote:
> > The CH348 is an USB octo port serial adapter.
> > The device multiplexes all 8 ports in the same pair of Bulk endpoints.
> > Since there is no public datasheet, unfortunately it remains some magic
> > values
> >
> > Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
> > ---
> >   drivers/usb/serial/Kconfig  |   9 +
> >   drivers/usb/serial/Makefile |   1 +
> >   drivers/usb/serial/ch348.c  | 736 ++++++++++++++++++++++++++++++++++++
> >   3 files changed, 746 insertions(+)
> >   create mode 100644 drivers/usb/serial/ch348.c
>
> Tested-by: Nicolas Frattaroli <frattaroli.nicolas@xxxxxxxxx>
>
> Quickly gave this another test by just connecting two ports of a CH348 device
> together and making sure data arrives unchowdered at the other end when sending
> at full speed with various baud rates. Seems to work about as well as I
> expected my jumper wires to hold up at higher baudrates.
>
> I'll likely use this to lessen the pile of active USB-to-serial devices on my
> desk while working, so many thanks for keeping up the good work on the driver.
> That way it'll also get some more in-depth real world testing in th e coming
> weeks, but I doubt it needs more testing at this stage.
>
> Regards,
> Nicolas Frattaroli

--
David Heidelberg