From: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: "David Woodhouse" <dwmw2@infradead.org>,
"Brian Norris" <computersforpeace@gmail.com>,
"Marek Vašut" <marek.vasut@gmail.com>,
cyrille.pitchen@wedev4u.fr, linux-mtd@lists.infradead.org,
"open list" <linux-kernel@vger.kernel.org>,
"Lars-Peter Clausen" <lars@metafoo.de>
Subject: Re: [RFC] NAND: Optimize NAND_ECC_HW_OOB_FIRST read
Date: Mon, 30 Oct 2017 18:17:50 +0530 [thread overview]
Message-ID: <CANc+2y4U+BbOnWZzEZ4+2dNfJNEA0Was+ySuJRJwyakm-GxYiA@mail.gmail.com> (raw)
In-Reply-To: <20171030093426.30827ef5@bbrezillon>
Hi Boris,
On 30 October 2017 at 14:04, Boris Brezillon
<boris.brezillon@free-electrons.com> wrote:
> Hi PrasannaKumar,
>
> On Sat, 28 Oct 2017 13:13:51 +0530
> PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> wrote:
>
>> From: Lars-Peter Clausen <lars@metafoo.de>
>>
>> Avoid sending unnecessary READ commands to the chip.
>>
>> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
>> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
>> ---
>> This patch is taken from git://projects.qi-hardware.com/qi-kernel.git
>> branch jz-3.16. From [1] and [2] it can be seen that the patch author
>> thinks this can be sent upstream but it never happened so far. This
>> patch is used in OpenWRT as seen from [3].
>
> Sounds reasonable, but it's likely to conflict with something I'd like
> to queue for 4.16 [1]. I'll rebase this patch on nand/next once the
> ->exec_op() series is merged. Don't hesitate to ping me if I forget.
>
> Regards,
>
> Boris
>
> [1]http://patchwork.ozlabs.org/project/linux-mtd/list/?series=8923
Okay. I will remind you if required.
There is another patch used in OpenWRT at [1]. Do you mind to have a
look at it and take that if it is useful? I don't see a point in me
sending it as a RFC as I am not contributing anything to it other than
noticing its existence.
1. https://git.lede-project.org/?p=source.git;a=blob;f=target/linux/xburst/patches-3.18/003-NAND-Add-support-for-subpage-reads-for-NAND_ECC_HW_O.patch;h=974eb7a5db9a09347fa6137461f030575f9a4328;hb=c03d4317a6bc891cb4a5e89cbdd77f37c23aff86
Thanks,
PrasannaKumar
next prev parent reply other threads:[~2017-10-30 12:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-28 7:43 [RFC] NAND: Optimize NAND_ECC_HW_OOB_FIRST read PrasannaKumar Muralidharan
2017-10-30 8:34 ` Boris Brezillon
2017-10-30 12:47 ` PrasannaKumar Muralidharan [this message]
2017-10-30 13:03 ` Boris Brezillon
2017-10-30 13:34 ` PrasannaKumar Muralidharan
2017-10-31 16:20 ` PrasannaKumar Muralidharan
2018-01-27 7:42 ` PrasannaKumar Muralidharan
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