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: <a18185a0-407c-4a1c-b915-fec9b3283b87@kontron.de>
Date: Wed, 20 Aug 2025 10:49:54 +0200
From: Frieder Schrempf <frieder.schrempf@...tron.de>
To: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>,
 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

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.