linux-kernel - Re: [PATCH 6/6] sparc32: Fix parport build with sparc32

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Date: Sat, 24 Feb 2024 03:02:20 +0000 (GMT)
From: "Maciej W. Rozycki" <macro@...am.me.uk>
To: Sam Ravnborg <sam@...nborg.org>
cc: Miquel Raynal <miquel.raynal@...tlin.com>, sparclinux@...r.kernel.org, 
    linux-parport@...ts.infradead.org, "David S. Miller" <davem@...emloft.net>, 
    Andreas Larsson <andreas@...sler.com>, 
    Randy Dunlap <rdunlap@...radead.org>, Arnd Bergmann <arnd@...db.de>, 
    linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 6/6] sparc32: Fix parport build with sparc32

On Fri, 23 Feb 2024, Sam Ravnborg via B4 Relay wrote:

> include/asm/parport.h is sparc64 specific.
> Rename it to parport_64.h and use the generic version for sparc32.
> 
> This fixed all{mod,yes}config build errors like:
> 
> parport_pc.c:(.text):undefined-reference-to-ebus_dma_enable
> parport_pc.c:(.text):undefined-reference-to-ebus_dma_irq_enable
> parport_pc.c:(.text):undefined-reference-to-ebus_dma_register
> 
> The errors occur as the sparc32 build references sparc64 symbols.
> 
> Signed-off-by: Sam Ravnborg <sam@...nborg.org>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Andreas Larsson <andreas@...sler.com>
> Cc: Randy Dunlap <rdunlap@...radead.org>
> Cc: Maciej W. Rozycki <macro@...am.me.uk>
> Closes: https://lore.kernel.org/r/20230406160548.25721-1-rdunlap@infradead.org/
> Fixes: 66bcd06099bb ("parport_pc: Also enable driver for PCI systems")
> Cc: stable@...r.kernel.org # v5.18+
> ---

 LGTM, it relies on SPARC never to enable ISA.

Reviewed-by: Maciej W. Rozycki <macro@...am.me.uk>
Tested-by: Maciej W. Rozycki <macro@...am.me.uk> # build-tested

 The other changes in this patch series address issues that do not appear 
with my ad-hoc SPARC test configuration, so I have no immediate way to 
verify them.

  Maciej