linux-kernel - Re: [PATCH RESEND v2 4/4] spi: spi-airoha-snfi: return an error for continuous mode dirmap creation cases

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Message-ID: <3e82cb6e-7edd-432c-9a3b-60e78c873b14@iopsys.eu>
Date: Wed, 20 Aug 2025 12:49:09 +0300
From: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>
To: Frieder Schrempf <frieder.schrempf@...tron.de>,
 Mark Brown <broonie@...nel.org>
Cc: Miquel Raynal <miquel.raynal@...tlin.com>,
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>,
 Lorenzo Bianconi <lorenzo@...nel.org>, Ray Liu <ray.liu@...oha.com>,
 Tudor Ambarus <tudor.ambarus@...aro.org>,
 Martin Kurbanov <mmkurbanov@...utedevices.com>,
 Takahiro Kuwano <Takahiro.Kuwano@...ineon.com>,
 Cheng Ming Lin <chengminglin@...c.com.tw>, linux-mtd@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-spi@...r.kernel.org
Subject: Re: [PATCH RESEND v2 4/4] spi: spi-airoha-snfi: return an error for
 continuous mode dirmap creation cases

On 20.08.2025 11:49, Frieder Schrempf wrote:
> Am 14.08.25 um 17:33 schrieb Mikhail Kshevetskiy:
>> On 14.08.2025 18:29, Mark Brown wrote:
>>> On Thu, Aug 14, 2025 at 09:54:23AM +0300, Mikhail Kshevetskiy wrote:
>>>> This driver can accelerate single page operations only, thus
>>>> continuous reading mode should not be used.
>>>>
>>>> Continuous reading will use sizes up to the size of one erase block.
>>>> This size is much larger than the size of single flash page. Use this
>>>> difference to identify continuous reading and return an error.
>>> This seems like it just applies anyway regardless of the rest of the
>>> series?
>> Could you provide a link? I do not see this in upstream linux repo.
> Mark asked if this could be applied without the other patches of this
> series through his SPI tree and I think that is indeed correct. The
> other patches are still being reviewed and applied via the MTD tree.
Thanks for clarification. I could add it to other aihoha spi driver fixes.

Mikhail