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Message-ID: <8f76e647-49fa-f3e2-6931-26ca960f3879@microchip.com>
Date:   Thu, 10 Mar 2022 04:42:13 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <p.yadav@...com>
CC:     <michael@...le.cc>, <broonie@...nel.org>,
        <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-spi@...r.kernel.org>, <Nicolas.Ferre@...rochip.com>,
        <zhengxunli@...c.com.tw>, <jaimeliao@...c.com.tw>
Subject: Re: [PATCH 4/4] mtd: spi-nor: core: Introduce SPI_NOR_DTR_BSWAP16
 no_sfdp_flag

On 3/2/22 14:30, Pratyush Yadav wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On 18/02/22 04:59PM, Tudor Ambarus wrote:
>> Introduce SPI_NOR_DTR_BSWAP16 flag for flashes that don't define the
>> mandatory BFPT table. When set it indicates that the byte order of 16-bit
>> words is swapped when read in 8D-8D-8D mode compared to 1-1-1 mode.
> 
> Is there any flash that currently needs this flag but does not define
> BFPT? If there is no user, let's not add it. It can always be added
> later.

it's needed by mx66lm1g45g, the flash that I'm currently working on.
It doesn't define SFDP tables, at least the one that I currently have.
Let me add support for it in the next version.

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