linux-kernel - Re: [PATCH 0/7] serial: uartps: Revert dynamic port allocation

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Date:   Fri, 3 Apr 2020 11:37:46 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Greg KH <gregkh@...uxfoundation.org>,
        Michal Simek <michal.simek@...inx.com>
Cc:     johan@...nel.org, linux-kernel@...r.kernel.org, monstr@...str.eu,
        git@...inx.com, Jiri Slaby <jslaby@...e.com>,
        linux-arm-kernel@...ts.infradead.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH 0/7] serial: uartps: Revert dynamic port allocation

On 03. 04. 20 11:32, Greg KH wrote:
> On Fri, Apr 03, 2020 at 11:24:29AM +0200, Michal Simek wrote:
>> Hi,
>>
>> there were several changes done in past in uartps drivers which have been
>> also done in uartlite driver.
>> Here is the thread about it
>> https://lore.kernel.org/linux-serial/20191203152738.GF10631@localhost/
>>
>> This series reverts all patches which enabled dynamic port allocation and
>> returning driver to the previous state. There were added some features in
>> meantime which are not affected by this series.
> 
> Should this go into 5.7-final as it's causing problems now, and
> backported as well?  Or can it wait until 5.8-rc1?

These patches have been added to v4.20. It means all version from that
are affected.

The issue I am aware of is when you setup stdout-path =
"serialX:115200n8" where X is not 0.

But as was discussed the concept is based on Johan wrong that's why it
can be consider as bug fix.

Thanks,
Michal