Hans de Goede <hdegoede@xxxxxxxxxx> writes: > Hi, > > On 18-12-2019 07:56, Punit Agrawal wrote: >> Serdev sub-system claims all serial devices that are not already >> enumerated. As a result, no device node is created for serial port on >> certain boards such as the Apollo Lake based UP2. This has the >> unintended consequence of not being able to raise the login prompt via >> serial connection. >> >> Introduce a blacklist to reject devices that should not be treated as >> a serdev device. Add the Intel HS UART peripheral ids to the blacklist >> to bring back serial port on SoCs carrying them. >> >> Cc: stable@xxxxxxxxxxxxxxx >> Signed-off-by: Punit Agrawal <punit1.agrawal@xxxxxxxxxxxxx> >> Cc: Rob Herring <robh@xxxxxxxxxx> >> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> >> Cc: Johan Hovold <johan@xxxxxxxxxx> >> Cc: Hans de Goede <hdegoede@xxxxxxxxxx> > > Thank you for addressing this long standing issue. I am surprised there hasn't been more people complaining! Maybe even on x86 mainline isn't that widely used on development boards. > The basic approach here looks good to me, once the minor > comments from other reviewers are addressed you can add my: > > Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx> Thanks! [...]