linux-kernel - Re: [PATCH v3 0/3] qcom: Add SMEM MTD parser

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Date:	Tue, 18 Aug 2015 14:30:14 +0200
From:	Jonas Gorski <jogo@...nwrt.org>
To:	Mathieu Olivari <mathieu@...eaurora.org>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, linux@....linux.org.uk,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	agross@...eaurora.org, sboyd@...eaurora.org,
	bjorn.andersson@...ymobile.com,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	MTD Maling List <linux-mtd@...ts.infradead.org>
Subject: Re: [PATCH v3 0/3] qcom: Add SMEM MTD parser

Hi,

On Tue, Aug 18, 2015 at 1:47 AM, Mathieu Olivari <mathieu@...eaurora.org> wrote:
> QCOM platforms such as IPQ806x are using SMEM to store their flash
> layout. This patch set adds the DT nodes required to instanciate SMEM
> on IPQ806x and add an MTD parser using it.
>
> This change is based on the SMEM driver posted here:
> *https://lkml.org/lkml/2015/7/27/1125

Nice work. After testing it on AP148 I see this:

[    2.481507] 12 qcom-smem partitions found on MTD device qcom-nandc
[    2.481540] Creating 12 MTD partitions on "qcom-nandc":
[    2.486690] 0x000000000000-0x000000040000 : "0:SBL1"
[    2.492842] 0x000000040000-0x000000180000 : "0:MIBIB"
[    2.497857] 0x000000180000-0x0000002c0000 : "0:SBL2"
[    2.502895] 0x0000002c0000-0x000000540000 : "0:SBL3"
[    2.507828] 0x000000540000-0x000000660000 : "0:DDRCONFIG"
[    2.512857] 0x000000660000-0x000000780000 : "0:SSD"
[    2.518074] 0x000000780000-0x000000a00000 : "0:TZ"
[    2.522834] 0x000000a00000-0x000000c80000 : "0:RPM"
[    2.527607] 0x000000c80000-0x000001180000 : "0:APPSBL"
[    2.532472] 0x000001180000-0x000001200000 : "0:APPSBLENV"
[    2.537586] 0x000001200000-0x000001340000 : "0:ART"
[    2.543140] 0x000001340000-0x000005340000 : "rootfs"

Are all these partition names supposed to be prefixed with "0:"? This
is using the OpenWrt applied version.


Jonas
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