linux-kernel - Re: [PATCH v16 00/15] mtd: spi-nor: add xSPI Octal DTR support

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Date:   Wed, 28 Oct 2020 07:53:40 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <p.yadav@...com>, <miquel.raynal@...tlin.com>, <richard@....at>,
        <vigneshr@...com>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <nsekhar@...com>, <boris.brezillon@...labora.com>
Subject: Re: [PATCH v16 00/15] mtd: spi-nor: add xSPI Octal DTR support

Hi, Pratyush,

On 10/5/20 6:31 PM, Pratyush Yadav wrote:
> Tested on Micron MT35X and S28HS flashes for Octal DTR. 

Do these flashes define the "Command Sequences to Change to
Octal DDR (8D-8D-8D) mode" table? Can't we use that table
instead of defining our own octal dtr enable functions?

I see that Mason used this table for a macronix flash:
https://patchwork.ozlabs.org/project/linux-mtd/patch/1590737775-4798-4-git-send-email-masonccyang@mxic.com.tw/
https://patchwork.ozlabs.org/project/linux-mtd/patch/1590737775-4798-8-git-send-email-masonccyang@mxic.com.tw/

Cheers,
ta