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Date: Sat, 12 Sep 2020 09:07:22 +1000 (AEST) From: Finn Thain <fthain@...egraphics.com.au> To: Geert Uytterhoeven <geert@...ux-m68k.org> cc: "David S. Miller" <davem@...emloft.net>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, Joshua Thompson <funaho@...ai.org>, linux-m68k <linux-m68k@...ts.linux-m68k.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-ide@...r.kernel.org Subject: Re: [PATCH] ide/macide: Convert Mac IDE driver to platform driver On Fri, 11 Sep 2020, Geert Uytterhoeven wrote: > > Sorry, I completely missed that the Baboon case registers a > "pata_platform" device instead of a "macide" device. Hence please > ignore my comments related to that. Sorry for the noise. > No problem. That misunderstanding got me thinking about implications stemming from my patch that I may have overlooked. Here's what I found. 1) Your presumption that the old macide driver would keep supporting all variants does make sense, as that would delay disruption for as long as possible (i.e. for as long as the IDE subsystem remains). However, if my patch does not get merged until 2021, that disruption would not arrive earlier than promised by commit 7ad19a99ad431 ("ide: officially deprecated the legacy IDE driver"). 2) My patch omitted a mac_defconfig update that would enable an alternative driver for the Baboon case. I will remedy this in v2. 3) It turns out that the Debian/m68k kernel config has CONFIG_BLK_DEV_PLATFORM=m. This will work fine with this patch. (I assume that Debian developers will replace CONFIG_BLK_DEV_PLATFORM with CONFIG_PATA_PLATFORM prior to the removal of the IDE subsystem next year.)
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