linux-kernel - Re: [PATCH v6 13/13] spi: airoha: buffer must be 0xff-ed before writing

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Message-ID: <bcfb637a-79bb-42d8-a2b9-508a2fab6025@collabora.com>
Date: Thu, 2 Oct 2025 09:44:28 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>,
 Lorenzo Bianconi <lorenzo@...nel.org>, Ray Liu <ray.liu@...oha.com>,
 Mark Brown <broonie@...nel.org>, Andy Shevchenko <andy@...nel.org>,
 linux-arm-kernel@...ts.infradead.org, linux-spi@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: Andreas Gnau <andreas.gnau@...sys.eu>
Subject: Re: [PATCH v6 13/13] spi: airoha: buffer must be 0xff-ed before
 writing

Il 02/10/25 00:23, Mikhail Kshevetskiy ha scritto:
> During writing, the entire flash page (including OOB) will be updated
> with the values from the temporary buffer, so we need to fill the
> untouched areas of the buffer with 0xff value to prevent accidental
> data overwriting.
> 
> Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>