Linux-SPI Archive on lore.kernel.org
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From: Mark Brown <broonie@kernel.org>
To: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Pratyush Yadav <p.yadav@ti.com>,
	zhengxunli <zhengxunli@mxic.com.tw>,
	vigneshr@ti.com, juliensu@mxic.com.tw, ycllin@mxic.com.tw,
	linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org
Subject: Re: [PATCH v2 1/2] mtd: spi-nor: macronix: add support for Macronix octaflash
Date: Tue, 23 Feb 2021 13:36:49 +0000
Message-ID: <20210223133649.GD5116@sirena.org.uk> (raw)
In-Reply-To: <20210223141344.7ad25831@xps13>


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On Tue, Feb 23, 2021 at 02:13:44PM +0100, Miquel Raynal wrote:
> Pratyush Yadav <p.yadav@ti.com> wrote on Fri, 5 Feb 2021 19:04:04 +0530:

> > [0] Since SPI NOR has no way of knowing what speed the controller is 
> > running at, assume the fastest speed the flash can run at.

> Ok, I am not entirely clear about what is available/not available from
> the SPI core.

> If this is true then I guess we can't do better with the current code
> base and this can be improved in the future if needed. So I'm fine with
> the current implementation.

For normal SPI operations you can set the speed (really, top speed) on a
per transfer basis.

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  reply index

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-05  9:36 [PATCH v2 0/2] Add octal DTR support for Macronix flash zhengxunli
2021-02-05  9:36 ` [PATCH v2 1/2] mtd: spi-nor: macronix: add support for Macronix octaflash zhengxunli
2021-02-05  9:47   ` Miquel Raynal
2021-02-05 13:34     ` Pratyush Yadav
2021-02-05 13:50       ` Miquel Raynal
2021-02-23 13:13       ` Miquel Raynal
2021-02-23 13:36         ` Mark Brown [this message]
2021-02-23 15:25           ` Pratyush Yadav
2021-02-23 18:07             ` Geert Uytterhoeven
2021-02-23 18:14               ` Mark Brown
     [not found]                 ` <OF5890F10B.27BC3B4B-ON482586A7.001FE05B-482586A7.0024305D@mxic.com.tw>
2021-04-05  4:41                   ` Tudor.Ambarus
2021-02-05  9:36 ` [PATCH v2 2/2] spi: mxic: patch for octal DTR mode support zhengxunli
2021-02-19  5:58   ` zhengxunli
2021-02-23 13:28     ` Mark Brown

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