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Subject: Re: svn commit: r286768 - head/sys/arm64/arm64
To: Andrew Turner <andrew@FreeBSD.org>, src-committers@freebsd.org,
 svn-src-all@freebsd.org, svn-src-head@freebsd.org
References: <201508140955.t7E9tQ51063793@repo.freebsd.org>
From: Hans Petter Selasky <hps@selasky.org>
Message-ID: <55CDE380.3060900@selasky.org>
Date: Fri, 14 Aug 2015 14:48:00 +0200
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On 08/14/15 11:55, Andrew Turner wrote:
> Author: andrew
> Date: Fri Aug 14 09:55:25 2015
> New Revision: 286768
> URL: https://svnweb.freebsd.org/changeset/base/286768
>
> Log:
>    Add support for bus_space_read_region and bus_space_write_region. This is
>    needed for the dwc USB controller driver.
>
>    Sponsored by:	ABT Systems Ltd
>
> Modified:
>    head/sys/arm64/arm64/bus_machdep.c
>    head/sys/arm64/arm64/bus_space_asm.S
>

NOTE: Use of load/store multiple can give a significant performance 
boost for the DWC OTG.

--HPS