linux-kernel - Re: [PATCH] mtd: cfi_cmdset_0002: dynamically determine the max sectors

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Message-ID: <e4fb784f-ea00-6281-409c-d440ce13eb50@denx.de>
Date:   Wed, 22 May 2019 08:01:26 +0200
From:   Stefan Roese <sr@...x.de>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>,
        dwmw2@...radead.org, computersforpeace@...il.com,
        marek.vasut@...il.com, miquel.raynal@...tlin.com, richard@....at,
        vigneshr@...com
Cc:     linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: cfi_cmdset_0002: dynamically determine the max
 sectors

On 22.05.19 02:06, Chris Packham wrote:
> Because PPB unlocking unlocks the whole chip cfi_ppb_unlock() needs to
> remember the locked status for each sector so it can re-lock the
> unaddressed sectors. Dynamically calculate the maximum number of sectors
> rather than using a hardcoded value that is too small for larger chips.
> 
> Tested with Spansion S29GL01GS11TFI flash device.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>

This hardcoded limit always annoyed me at that time, so thanks for
"fixing" this:

Reviewed-by: Stefan Roese <sr@...x.de>

Thanks,
Stefan