linux-kernel - Re: [PATCH] m68k/mac: Replace macide driver with generic platform driver

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Message-ID: <9650358f-a789-7dbd-4495-1d39ff321ded@nippy.intranet>
Date:   Tue, 27 Apr 2021 13:47:04 +1000 (AEST)
From:   Finn Thain <fthain@...tmail.com.au>
To:     Michael Schmitz <schmitzmic@...il.com>
cc:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Christoph Hellwig <hch@....de>,
        Joshua Thompson <funaho@...ai.org>,
        "David S. Miller" <davem@...emloft.net>,
        linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org,
        linux-ide@...r.kernel.org
Subject: Re: [PATCH] m68k/mac: Replace macide driver with generic platform
 driver

On Tue, 27 Apr 2021, Michael Schmitz wrote:

> On 26/04/21 7:37 pm, Finn Thain wrote:
> > Was macide the only IDE driver in Debian/m68k kernels without a libata 
> > alternative? If so, this patch would allow you to finally drop 
> > CONFIG_IDE.
> > 
> There's still q40ide.c (ISA IDE interface, byte-swapped, so would need 
> treatment similar to Falcon IDE). Hasn't been updated to a platform 
> device yet.
> 

AIUI, q40 support is not included in Debian/m68k kernel builds.

I wonder whether q40 could re-use the pata_falcon driver . I suppose 
pata_falcon_set_mode() would be undesirable on q40 (?) It could be made 
optional using the data parameter passed to 
platform_device_register_resndata().