linux-kernel - Re: [PATCH v3 07/52] mtd: nand: core: use mtd_ooblayout

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Date:	Fri, 26 Feb 2016 19:33:25 +0100
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Harvey Hunt <harvey.hunt@...tec.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	<linux-mtd@...ts.infradead.org>, Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	"Robert Jarzmik" <robert.jarzmik@...e.fr>,
	Kukjin Kim <kgene@...nel.org>,
	"Krzysztof Kozlowski" <k.kozlowski@...sung.com>,
	<linux-samsung-soc@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	<linux-mips@...ux-mips.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Wenyou Yang <wenyou.yang@...el.com>,
	Josh Wu <rainyfeeling@...look.com>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>, <linux-sunxi@...glegroups.com>,
	Stefan Agner <stefan@...er.ch>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>,
	"punnaiah choudary kalluri" <punnaia@...inx.com>,
	Priit Laes <plaes@...es.org>,
	"Kamal Dasu" <kdasu.kdev@...il.com>,
	<bcm-kernel-feedback-list@...adcom.com>,
	<linux-api@...r.kernel.org>
Subject: Re: [PATCH v3 07/52] mtd: nand: core: use mtd_ooblayout_xxx()
 helpers where appropriate

Hi Harvey,

On Fri, 26 Feb 2016 15:17:28 +0000
Harvey Hunt <harvey.hunt@...tec.com> wrote:

> Hi Boris,
> 
> On 26/02/16 15:10, Boris Brezillon wrote:
> > Hi Harvey,
> >
> > On Fri, 26 Feb 2016 14:35:08 +0000
> > Harvey Hunt <harvey.hunt@...tec.com> wrote:
> >
> >> [...]
> >> I'll look into this more later today, but wanted to run it by you in
> >> case you have any thoughts.
> >
> > Can you apply this patch [1], and let me know if you see the additional
> > trace?
> 
> I applied the patch, the following is the (unchanged) output:
> 
> [    0.256375] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0x88
> [    0.262887] nand: Micron MT29F64G08CBAAAWP
> [    0.266995] nand: 8192 MiB, MLC, erase size: 2048 KiB, page size: 
> 8192, OOB size: 448
> [    0.274881] jz4780-nand 1b000000.nand-controller: using hardware BCH 
> (strength 24, size 1024, bytes 42)
> [    0.289046] Bad block table not found for chip 0
> [    0.297769] Bad block table not found for chip 0
> [    0.302425] Scanning device for bad blocks
> [    0.320239] Bad eraseblock 90 at 0x00000b400000
> [    0.324934] Bad eraseblock 91 at 0x00000b600000
> [    0.931054] Bad eraseblock 4092 at 0x0001ff800000
> [    0.935917] Bad eraseblock 4093 at 0x0001ffa00000
> [    0.944660] nand_bbt: error while writing bad block table -34
> [    0.950448] jz4780-nand: probe of 1b000000.nand-controller failed 
> with error -34
> [    0.958079] UBI error: cannot open mtd 3, error -19
> [    0.962788] UBI error: cannot open mtd 4, error -19[    0.970229] 
> clk: Not disabling unused clocks
> 

Can you test with this one [1]?

[1]http://code.bulix.org/36oytz-91960


-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com