Phantom Lake UART support

[Tim Gardner]

Hmm, seems to have fallen through the cracks. Anyways, I've sent a patch 
which should make it into the kernel before 22.04 is released.

rtg

[1] https://lists.ubuntu.com/archives/kernel-team/2022-March/129085.html

On 3/31/22 09:45, Vladimir Ratnikov wrote:
> Hey Tim!
> 
> Today is the scheduled date for beta release of Ubuntu 22.04 as i know. 
> I don't see the option set to y in the kernel config at
> https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy/tree/debian.master/config/config.common.ubuntu 
> <https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy/tree/debian.master/config/config.common.ubuntu>.
> 
> Do you believe that CONFIG_SERIAL_8250_MID=y will be in 22.04?
> I could create a pull request if it helps
> 
> Thanks,
> -Vladimir
> 
> On Wed, Mar 16, 2022 at 5:48 PM Vladimir Ratnikov <vratnikov at netgate.com 
> <mailto:vratnikov at netgate.com>> wrote:
> 
>     It would be great!
> 
>     Thank you!
> 
>     -Vladimir
> 
>     On Wed, Mar 16, 2022 at 5:28 PM Tim Gardner
>     <tim.gardner at canonical.com <mailto:tim.gardner at canonical.com>> wrote:
> 
>         I'm pretty sure we can get it set for 22.04 at least. One of my
>         team
>         members will be working on this presently.
> 
>         rtg
> 
>         On 3/16/22 08:07, Vladimir Ratnikov wrote:
>          > Tim, thanks for the answer!
>          >
>          > Does this mean that the 8250_MID module will be compiled into
>         the ubuntu
>          > kernel in the next release cycle?
>          >
>          > Thanks,
>          > -Vladimir
>          >
>          > On Wed, Mar 16, 2022 at 3:52 PM Tim Gardner
>         <tim.gardner at canonical.com <mailto:tim.gardner at canonical.com>
>          > <mailto:tim.gardner at canonical.com
>         <mailto:tim.gardner at canonical.com>>> wrote:
>          >
>          >     This seems reasonable. After all, the config change in
>         Debian is 4
>          >     years
>          >     old.
>          >
>          >     rtg
>          >
>          >     On 3/15/22 10:36, Vladimir Ratnikov wrote:
>          >      > Hello!
>          >      >
>          >      > At current point we have an opportunity to have
>          >     CONFIG_SERIAL_8250_MID
>          >      > being compiled into kernel in order to be available as
>         serial
>          >      > console(according to debian, there was such problem
>         before and
>          >     current
>          >      > kernels has 'CONFIG_SERIAL_8250_MID=y' instead of
>          >      > 'CONFIG_SERIAL_8250_MID=m'
>          >      >
>          >      > ticket:
>         https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368
>         <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368>
>          >     <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368
>         <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368>>
>          >      >
>         <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368
>         <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368>
>          >     <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368
>         <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864368>>>
>          >      > patch:
>          >      >
>          >
>         https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6
>         <https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6>
>          >   
>           <https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6 <https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6>>
>          >
>          >      >
>          >   
>           <https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6 <https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6>
>          >   
>           <https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6 <https://salsa.debian.org/kernel-team/linux/-/commit/7618511643be57b5587f66729e1c0121eb4617f6>>>
>          >      >
>          >      > So I'm wondering if there's a way of getting this
>         module being
>          >     compiled
>          >      > into the kernel and being accepted in upstream or if
>         there is
>          >     something
>          >      > cons about it ?
>          >      >
>          >      > We've rebuilt the kernel with
>         'CONFIG_SERIAL_8250_MID=y' instead of
>          >      > 'CONFIG_SERIAL_8250_MID=m' and haven't seen any
>         problems and it
>          >     worked
>          >      > as expected. I believe, it'll be better for
>         everyone having this
>          >     module
>          >      > to be the part of kernel.
>          >      >
>          >      >
>          >      > Thanks!
>          >      > -Vladimir
>          >      >
>          >
>          >     --
>          >     -----------
>          >     Tim Gardner
>          >     Canonical, Inc
>          >
> 
>         -- 
>         -----------
>         Tim Gardner
>         Canonical, Inc
> 

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