From owner-svn-src-all@freebsd.org  Thu Jul 21 12:38:14 2016
Return-Path: <owner-svn-src-all@freebsd.org>
Delivered-To: svn-src-all@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id EC6A2B9E50F;
 Thu, 21 Jul 2016 12:38:14 +0000 (UTC)
 (envelope-from andrew@fubar.geek.nz)
Received: from kif.fubar.geek.nz (kif.fubar.geek.nz [178.62.119.249])
 by mx1.freebsd.org (Postfix) with ESMTP id BA2521DD1;
 Thu, 21 Jul 2016 12:38:14 +0000 (UTC)
 (envelope-from andrew@fubar.geek.nz)
Received: from zapp (global-5-143.nat-2.net.cam.ac.uk [131.111.5.143])
 by kif.fubar.geek.nz (Postfix) with ESMTPSA id B7FBAD8320;
 Thu, 21 Jul 2016 12:37:43 +0000 (UTC)
Date: Thu, 21 Jul 2016 13:37:42 +0100
From: Andrew Turner <andrew@fubar.geek.nz>
To: Michal Meloun <mmel@FreeBSD.org>
Cc: Nathan Whitehorn <nwhitehorn@freebsd.org>, Svatopluk Kraus
 <skra@FreeBSD.org>, src-committers@FreeBSD.org, svn-src-all@FreeBSD.org,
 svn-src-head@FreeBSD.org
Subject: Re: svn commit: r301453 - in head/sys: arm/arm arm64/arm64 dev/fdt
 dev/gpio dev/iicbus dev/ofw dev/pci dev/vnic kern mips/mips sys
Message-ID: <20160721133742.05f0e045@zapp>
In-Reply-To: <578F6075.7010500@FreeBSD.org>
References: <201606051620.u55GKD5S066398@repo.freebsd.org>
 <b9606755-69cb-2cb0-04d7-6be32e4cb89e@freebsd.org>
 <578E0B5D.3070105@FreeBSD.org>
 <e026f6fc-76ed-5dbe-00fc-365b6d7bcf94@freebsd.org>
 <578F6075.7010500@FreeBSD.org>
X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.29; amd64-portbld-freebsd11.0)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 21 Jul 2016 12:38:15 -0000

On Wed, 20 Jul 2016 13:28:53 +0200
Michal Meloun <mmel@FreeBSD.org> wrote:
> Dne 19.07.2016 v 17:06 Nathan Whitehorn napsal(a):
> > 2. It partially duplicates the functionality of OFW_BUS_MAP_INTR(),
> > but is both problematically more general and less flexible (it has
> > requirements on timing of PIC attachment vs. driver resource
> > allocation)  
> OFW_BUS_MAP_INTR()  can parse only OFW  based data and expect that
> parsed data are magicaly stored within the call.
> The new method, bus_map_intr(),  can parse data from multiple sources 
> (OFW, UEFI / ACPI, synthetic[gpio device + pin number]).  It also
> returns parsed data back to caller.
> And no, it  doesn't  add any additional timing requirements .

I've been looking at ACPI on arm64. So far I have not found the need
for this with ACPI as we don't need to send the data to the interrupt
controller driver to be parsed in the way OFW/FDT needs to.

Andrew