linux-kernel - Re: [PATCH] MIPS: Drop virt_to

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Date:   Tue, 8 Aug 2023 22:05:02 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Baoquan He <bhe@...hat.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: Drop virt_to_phys define to self

On Tue, Aug 8, 2023 at 3:46 PM Arnd Bergmann <arnd@...db.de> wrote:
> On Tue, Aug 8, 2023, at 15:12, Linus Walleij wrote:

> > Normally you would do this so as to override the default virt_to_phys()
> > from include/asm-generic/io.h, but we do not seem to be using it here?
>
> Correct. In linux-next, we have converted arch/sh to use
> include/asm-generic/io.h, so arch/mips is now the last one
> to not use it.
>
> I see that Jiaxun Yang posted a patch for this in May and it looked
> like it should finally work [1], but there seems to still be something
> missing.

Oh that's a nice patch!

> For the moment, I'd suggest we leave the #define in place
> here in order to finish the patch that starts using the
> asm-generic header, and then we can look into using more
> of the generic code.

Sure, no point in causing stir with Jiaxun's work, let's drop
this patch.

Yours,
Linus Walleij