netdev - Re: [PATCH net-next] eth: de4x5: remove support for Generic DECchip & DIGITAL EtherWORKS PCI/EISA

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Date:   Sat, 21 May 2022 12:47:31 +1000
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     Jakub Kicinski <kuba@...nel.org>, davem@...emloft.net
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com,
        corbet@....net, tsbogend@...ha.franken.de, mpe@...erman.id.au,
        paulus@...ba.org, sburla@...vell.com, vburru@...vell.com,
        aayarekar@...vell.com, arnd@...db.de, zhangyue1@...inos.cn,
        linux-doc@...r.kernel.org, linux-mips@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-parisc@...r.kernel.org
Subject: Re: [PATCH net-next] eth: de4x5: remove support for Generic DECchip
 & DIGITAL EtherWORKS PCI/EISA

On Wed, 2022-05-18 at 20:13 -0700, Jakub Kicinski wrote:
> Looks like almost all changes to this driver had been tree-wide
> refactoring since git era begun. There is one commit from Al
> 15 years ago which could potentially be fixing a real bug.
> 
> The driver is using virt_to_bus() and is a real magnet for pointless
> cleanups. It seems unlikely to have real users. Let's try to shed
> this maintenance burden.
> 
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>

Removing this driver will kill support for some rather old PowerMac
models (some PowerBooks I think, paulus would know). No objection on my
part, though. I doubt people still use these things with new kernels
but ... who knows ? :-)

Cheers,
Ben.