From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH net-next 6/6] net: hamradio: remove support for DMA SCC
 devices
Date: Tue, 26 Apr 2022 12:39:41 -0700
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To: Thomas Osterried <thomas@osterried.de>
Cc: linux-hams@vger.kernel.org, jreuter@yaina.de, arnd@arndb.de

On Tue, 26 Apr 2022 20:55:05 +0200 Thomas Osterried wrote:
> Jakub informed, that the dmascc driver will be removed from kernel.
> 
> I think, Jakub's descision should be discussed here on the list, by the users.

Thanks a lot for the forward!

> DMASCC is the "high speed DMA" driver.
> SCC driver (also with Z8530) will be left in the kernel.
> 
> Hmm, I cannot really understand the decision of kickoff for DMASCC, and
> why the code "older" SCC ISA-bus cards will be kept.

We are infamously bad at deciding when to retire code in the kernel,
the arbitrary rule I used now was "does it depend on VIRT_TO_BUS".
I figured the non-DMA SCC will go when ISA goes.