linux-kernel - Re: [PATCH] nubus: Set default dma mask for nubus

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Date:   Thu, 28 Jun 2018 16:27:13 +0200
From:   Christoph Hellwig <hch@....de>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Christoph Hellwig <hch@....de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nubus: Set default dma mask for nubus_board devices

On Mon, Jun 25, 2018 at 09:46:11PM +1000, Finn Thain wrote:
> A 32-bit mask is used by default because a NuBus slot has 32
> address/data lines and a NuBus board is free to use all of them.

Looks good: