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

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Message-ID: <56D41E8D.1010901@imgtec.com>
Date:	Mon, 29 Feb 2016 10:33:49 +0000
From:	Harvey Hunt <harvey.hunt@...tec.com>
To:	Boris Brezillon <boris.brezillon@...e-electrons.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 Boris,

On 26/02/16 18:33, Boris Brezillon wrote:
> 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

With that patch applied, my Ci20 successfully boots again.

Thanks for looking into it :-)

Harvey