linux-kernel - Re: [PATCH -next] x86/cyrix: include header linux/isa-dma.h

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Message-ID: <Yt8LJMR8WBSZ+4pd@antec>
Date:   Tue, 26 Jul 2022 06:29:08 +0900
From:   Stafford Horne <shorne@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org
Subject: Re: [PATCH -next] x86/cyrix: include header linux/isa-dma.h

On Mon, Jul 25, 2022 at 01:22:24PM -0700, Randy Dunlap wrote:
> x86/kernel/cpu/cyrix.c now needs to include <linux/isa-dma.h>
> since the 'isa_dma_bridge_buggy' variable was moved to it.
> 
> Fixes this build error:
> 
> ../arch/x86/kernel/cpu/cyrix.c: In function ‘init_cyrix’:
> ../arch/x86/kernel/cpu/cyrix.c:277:17: error: ‘isa_dma_bridge_buggy’ undeclared (first use in this function)
>   277 |                 isa_dma_bridge_buggy = 2;
> 
> Fixes: abb4970ac335 ("PCI: Move isa_dma_bridge_buggy out of asm/dma.h")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Stafford Horne <shorne@...il.com>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: x86@...nel.org

Acked-by: Stafford Horne <shorne@...il.com>

> ---
>  arch/x86/kernel/cpu/cyrix.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- a/arch/x86/kernel/cpu/cyrix.c
> +++ b/arch/x86/kernel/cpu/cyrix.c
> @@ -1,6 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0
>  #include <linux/bitops.h>
>  #include <linux/delay.h>
> +#include <linux/isa-dma.h>
>  #include <linux/pci.h>
>  #include <asm/dma.h>
>  #include <linux/io.h>

Sorry, I missed this, I did test several x86 configs, but I guess the cyrix.c
compilation was not picked up in my tests.

FWIW, I think this should go through Bjorn's pci tree.

-Stafford