Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1755963Ab3F1Q45 (ORCPT <rfc822;w@1wt.eu>);
	Fri, 28 Jun 2013 12:56:57 -0400
Received: from arroyo.ext.ti.com ([192.94.94.40]:34839 "EHLO arroyo.ext.ti.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1751180Ab3F1Q4y convert rfc822-to-8bit (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Fri, 28 Jun 2013 12:56:54 -0400
From: "Fernandes, Joel" <joelf@ti.com>
To: "Krishnamoorthy, Balaji T" <balajitk@ti.com>
CC: "benoit.cousson@gmail.com" <benoit.cousson@gmail.com>,
        "lars@metafoo.de" <lars@metafoo.de>, Tony Lindgren <tony@atomide.com>,
        "Nori, Sekhar" <nsekhar@ti.com>, Matt Porter <matt@ohporter.com>,
        Grant Likely <grant.likely@secretlab.ca>,
        Rob Herring <rob.herring@calxeda.com>,
        "Vinod Koul" <vinod.koul@intel.com>, Mark Brown <broonie@linaro.org>,
        Russell King <linux@arm.linux.org.uk>, Rob Landley <rob@landley.net>,
        Andrew Morton <akpm@linux-foundation.org>,
        Jason Kridner <jkridner@beagleboard.org>,
        "Koen Kooi" <koen@beagleboard.org>, Chris Ball <cjb@laptop.org>,
        Devicetree Discuss <devicetree-discuss@lists.ozlabs.org>,
        Linux OMAP List <linux-omap@vger.kernel.org>,
        Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
        Linux DaVinci Kernel List 
	<davinci-linux-open-source@linux.davincidsp.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux MMC List <linux-mmc@vger.kernel.org>,
        Arnd Bergmann <arnd@arndb.de>
Subject: RE: [PATCH 0/5] AM33xx: MMC resources from DT without HWMOD data
Thread-Topic: [PATCH 0/5] AM33xx: MMC resources from DT without HWMOD data
Thread-Index: AQHOc0JBa2Q1+uiBuUi8y9XUd9fX75lKE40A///GQbCAAcGBgP//vKhQ
Date: Fri, 28 Jun 2013 16:56:04 +0000
Message-ID: <083BC63EECB6FD41B8E81CF7FD87CC0F2E4F186C@DLEE08.ent.ti.com>
References: <1372209808-6532-1-git-send-email-joelagnel@ti.com>
 <CAD=GYpbdVVrh-tiqOcbHi3mkWRJUBdx0EsEZEFVVbgFgcCWgsw@mail.gmail.com>
 <51CC2A1E.2040003@ti.com>
 <CAD=GYpa9LQ1fV6=O9B65sJURVAigsgXCPLWav8cHXTuGQXPc9A@mail.gmail.com>
 <51CC67CA.2070805@ti.com>
 <083BC63EECB6FD41B8E81CF7FD87CC0F2E4F0F95@DLEE08.ent.ti.com>
 <51CDB06B.9010604@ti.com>
In-Reply-To: <51CDB06B.9010604@ti.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-originating-ip: [157.170.170.90]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 8BIT
MIME-Version: 1.0
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 2315
Lines: 62

> -----Original Message-----
> From: Krishnamoorthy, Balaji T
> Sent: Friday, June 28, 2013 10:49 AM
> To: Fernandes, Joel
> Cc: benoit.cousson@gmail.com; lars@metafoo.de; Tony Lindgren; Nori, Sekhar;
> Matt Porter; Grant Likely; Rob Herring; Vinod Koul; Mark Brown; Russell King;
> Rob Landley; Andrew Morton; Jason Kridner; Koen Kooi; Chris Ball; Devicetree
> Discuss; Linux OMAP List; Linux ARM Kernel List; Linux DaVinci Kernel List;
> Linux Kernel Mailing List; Linux MMC List; Arnd Bergmann
> Subject: Re: [PATCH 0/5] AM33xx: MMC resources from DT without HWMOD
> data
> 
> On Thursday 27 June 2013 11:38 PM, Fernandes, Joel wrote:
> > Hi Balaji,
> >
> 
> <snip>
> 
> >>> Some patches were squashed and others dropped in the series
> >>> resulting in the single patch above. This patch should be good to
> >>> apply
> >> Hi Joel,
> >>
> >> Before pushing mmc dts support for am335x, Can you please let me know
> >> if below 2 patches [1] are merged/accepted, IIRC these patches are
> >> needed for MMC to work properly.
> >>
> >> I suggest to hold the dts patch until slave_sg_limit gets merged
> >> otherwise it will cause regression in am335x mmc.
> >>
> >> [PATCH v4 1/3] dmaengine: add dma_get_slave_sg_limits() [PATCH v4
> >> 2/3] dma: edma: add device_slave_sg_limits() support
> >
> > Actually this is an independent regression and is currently worked on by Lars-
> Peter Clausen [1].
> >
> > Currently not having the MMC DTS merged is also a regression,
> 
> No, Right now mmc support is not added to am335x, so it is not really a
> regression.
> 
>  > so I suggest lets take it one
> > step at a time and get the DTS merged in first. Also there will be
> > overhead of reposting this DTS patch later again which will not change. What
> do you say?
> >
> 
> If it gets enabled via dts, without slave sg limit support, file read/write will fail,
> possibly corrupting file system.

I agree with this. Thank you.

Tony, Benoit, I guess let's just not apply the DTS yet till the slave-sg limits support
is merged as well. Sorry for the noise. Thanks.

-Joel

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/