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

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Message-ID: <7c5eae75-d1de-171a-07ad-9c34ec7325b2@gmail.com>
Date:   Wed, 28 Apr 2021 07:29:20 +1200
From:   Michael Schmitz <schmitzmic@...il.com>
To:     Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Finn Thain <fthain@...tmail.com.au>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc:     Finn Thain <fthain@...egraphics.com.au>,
        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 27/04/21 8:11 pm, Sergei Shtylyov wrote:
> On 27.04.2021 4:51, Michael Schmitz 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.
>
>    ISA drivers shouldn't be "updated" to the platform drivers. But I 
> don't see 'struct isa_driver' there either...

My bad - while the Q40 has ISA slots, IDE isn't connected to the ISA 
bus. Got confused by the base address range matching what I remember 
from ISA cards...

Cheers,

     Michael