Re: [PATCH v2 2/6] mtd: spi-nor: spansion: write 2 bytes when disabling Octal DTR mode

From: Pratyush Yadav
Date: Wed Jun 02 2021 - 03:42:47 EST


On 01/06/21 02:47PM, Michael Walle wrote:
> Am 2021-05-31 20:17, schrieb Pratyush Yadav:
> > The Octal DTR configuration is stored in the CFR5V register. This
> > register is 1 byte wide. But 1 byte long transactions are not allowed in
> > 8D-8D-8D mode. Since the next byte address does not contain any
> > register, it is safe to write any value to it. Write a 0 to it.
> >
> > Signed-off-by: Pratyush Yadav <p.yadav@xxxxxx>
> > ---
>
> Can't say much, because there is no public datasheet, is there?

https://www.cypress.com/file/513996/download

>
> But looks sane. Same for patch 3/6.

--
Regards,
Pratyush Yadav
Texas Instruments Inc.