linux-kernel - Re: [PATCH] reset: sunxi: fix for 64-bit compilation

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Message-ID: <CAGb2v64SozB9vUpotkEOyUK33ba8hq9M-QRQUEzEQ565Bhd93g@mail.gmail.com>
Date:   Wed, 8 Mar 2017 12:28:23 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Andre Przywara <andre.przywara@....com>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] reset: sunxi: fix for 64-bit compilation

On Mon, Mar 6, 2017 at 9:35 AM, Andre Przywara <andre.przywara@....com> wrote:
> The Allwinner reset controller has 32-bit registers, so translating
> the reset cell number into a register and bit offset should not use
> any architecture dependent data size. Otherwise this breaks for 64-bit
> architectures like arm64.
> Fix this by making it clear that it's the hardware register width which
> matters here in the calculation.
>
> Signed-off-by: Andre Przywara <andre.przywara@....com>

Acked-by: Chen-Yu Tsai <wens@...e.org>

Though I don't expect this driver to be used with arm64 chips.