linux-kernel - Re: [PATCH 02/14] docs: add bus-virt-phys-mapping.txt to core-api

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Message-ID: <20200515115321.6e00ba57@lwn.net>
Date:   Fri, 15 May 2020 11:53:21 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        linux-kernel@...r.kernel.org,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Mike Rapoport <rppt@...ux.ibm.com>
Subject: Re: [PATCH 02/14] docs: add bus-virt-phys-mapping.txt to core-api

On Fri,  1 May 2020 17:37:46 +0200
Mauro Carvalho Chehab <mchehab+huawei@...nel.org> wrote:

> This describes an old interface used prior the new DMA-API
> interfaces. Add it to the core-api guide, just after the
> DMA stuff.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  .../bus-virt-phys-mapping.rst}                                   | 0
>  Documentation/core-api/index.rst                                 | 1 +
>  2 files changed, 1 insertion(+)
>  rename Documentation/{bus-virt-phys-mapping.txt => core-api/bus-virt-phys-mapping.rst} (100%)

For this one, I think we should maybe just delete the file.  It contains a
warning from *20 years ago* saying not to use it, and talks about
functions like isa_readl() that haven't existed i the kernel for some
time.  Is there any reason to keep dragging it around?

jon