linux-kernel - Re: [PATCH 1/4] ARM: footbridge: remove addin mode

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Message-ID: <20220821055326.GA25950@lst.de>
Date:   Sun, 21 Aug 2022 07:53:26 +0200
From:   Christoph Hellwig <hch@....de>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Arnd Bergmann <arnd@...db.de>,
        Russell King <linux@...linux.org.uk>,
        Christoph Hellwig <hch@....de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH 1/4] ARM: footbridge: remove addin mode

On Thu, Aug 18, 2022 at 11:15:47PM +0200, Arnd Bergmann wrote:
> The recently added phys_to_dma() functions are now trivial and
> could probably be removed again as a follow-up, if anyone knows
> how.

The normal way to that would be with a call to dma_direct_set_offset in
the init code.  But for that we'd need to find someone to care enough
about footbridge to test it.