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From: Michael Walle <michael@walle.cc>
To: mail@david-bauer.net
Cc: tudor.ambarus@microchip.com, miquel.raynal@bootlin.com,
	richard@nod.at, vigneshr@ti.com, Michael Walle <michael@walle.cc>,
	linux-mtd@lists.infradead.org
Subject: Re: [PATCH 2/2] mtd: spi-nor: use 4 bit BP for large Macronix flash
Date: Mon,  8 Mar 2021 13:37:47 +0100	[thread overview]
Message-ID: <20210308123747.26142-1-michael@walle.cc> (raw)
In-Reply-To: <20210303094833.139221-2-mail@david-bauer.net>

[This time with the correct message id for the reply. Sorry]

Hi David,

Thanks for your patch.

> Macronix SPI-NOR chips with 128 or more 64k blocks have 4 block
> protection bits in their status register. Add the corresponding
> flag in order to clear these bits when unloking the flash.
> 
> Otherwise, the flash might not be writable depending on the state the
> bootloader left the flash in.
> 
> Fixes commit 62593cf40b23 ("mtd: spi-nor: refactor block protection functions")

Macronix didn't support locking before your patch 1/2, right?
Therefore, this patch will just adding features.

Please limit this patch to devices which you are able to test and
mention in the commit log on what SPI controller it was tested on.

-michael

> 
> Signed-off-by: David Bauer <mail@david-bauer.net>

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  reply	other threads:[~2021-03-08 12:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-03  9:48 [PATCH 1/2] mtd: spi-nor: add block protection flags to macronix David Bauer
2021-03-03  9:48 ` [PATCH 2/2] mtd: spi-nor: use 4 bit BP for large Macronix flash David Bauer
2021-03-08 12:37   ` Michael Walle [this message]
2021-03-08 18:01     ` David Bauer
2021-03-09  7:49       ` Tudor.Ambarus
2021-03-08  9:16 ` [PATCH 1/2] mtd: spi-nor: add block protection flags to macronix Michael Walle
2021-03-08 10:32 ` [PATCH 2/2] mtd: spi-nor: use 4 bit BP for large Macronix flash Michael Walle
2021-03-08 14:20 ` [PATCH 1/2] mtd: spi-nor: add block protection flags to macronix Vignesh Raghavendra
2021-03-08 15:20   ` Michael Walle

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