linux-kernel - Re: [PATCH v5 05/19] mtd: spi-nor: add support for DTR protocol

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Date:   Thu, 21 May 2020 17:24:05 +0800
From:   masonccyang@...c.com.tw
To:     "Pratyush Yadav" <p.yadav@...com>
Cc:     "Alexandre Belloni" <alexandre.belloni@...tlin.com>,
        "Boris Brezillon" <boris.brezillon@...labora.com>,
        "Mark Brown" <broonie@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-mtd@...ts.infradead.org,
        linux-spi@...r.kernel.org,
        "Ludovic Desroches" <ludovic.desroches@...rochip.com>,
        "Matthias Brugger" <matthias.bgg@...il.com>,
        "Miquel Raynal" <miquel.raynal@...tlin.com>,
        "Nicolas Ferre" <nicolas.ferre@...rochip.com>,
        "Sekhar Nori" <nsekhar@...com>, "Pratyush Yadav" <p.yadav@...com>,
        "Richard Weinberger" <richard@....at>,
        "Tudor Ambarus" <tudor.ambarus@...rochip.com>,
        "Vignesh Raghavendra" <vigneshr@...com>
Subject: Re: [PATCH v5 05/19] mtd: spi-nor: add support for DTR protocol

Hi Pratyush,

> @@ -311,6 +313,7 @@ struct flash_info {
>                  * BP3 is bit 6 of status register.
>                  * Must be used with SPI_NOR_4BIT_BP.
>                  */
> +#define SPI_NOR_OCTAL_DTR_READ   BIT(19) /* Flash supports octal DTR 
Read. */

#define SPI_NOR_OCTAL_DTR_RDWR  BIT(19) /* Support Octal DTR Read & Write 
*/

more precisely and clearly ?

thanks,
Mason

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