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From: Pratyush Yadav <pratyush@kernel.org>
To: ziniu.wang_1@nxp.com
Cc: pratyush@kernel.org,  tudor.ambarus@linaro.org,
	 mwalle@kernel.org, miquel.raynal@bootlin.com,  richard@nod.at,
	 vigneshr@ti.com, linux-mtd@lists.infradead.org,
	 linux-kernel@vger.kernel.org, haibo.chen@nxp.com,
	 han.xu@nxp.com
Subject: Re: [PATCH v3 1/2] mtd: spi-nor: core: avoid odd length/address reads on 8D-8D-8D mode
Date: Mon, 01 Sep 2025 16:19:49 +0200	[thread overview]
Message-ID: <mafs0tt1mw8ze.fsf@kernel.org> (raw)
In-Reply-To: <20250708091646.292-1-ziniu.wang_1@nxp.com>

Hi,

On Tue, Jul 08 2025, ziniu.wang_1@nxp.com wrote:

> From: Pratyush Yadav <p.yadav@ti.com>
>
> On Octal DTR capable flashes like Micron Xcella reads cannot start or
> end at an odd address in Octal DTR mode. Extra bytes need to be read at
> the start or end to make sure both the start address and length remain
> even.
>
> To avoid allocating too much extra memory, thereby putting unnecessary
> memory pressure on the system, the temporary buffer containing the extra
> padding bytes is capped at PAGE_SIZE bytes. The rest of the 2-byte
> aligned part should be read directly in the main buffer.
>
> Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
> Reviewed-by: Michael Walle <michael@walle.cc>
> Signed-off-by: Luke Wang <ziniu.wang_1@nxp.com>

Series applied to spi-nor/next. Thanks!

[...]

-- 
Regards,
Pratyush Yadav

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: Pratyush Yadav <pratyush@kernel.org>
To: ziniu.wang_1@nxp.com
Cc: pratyush@kernel.org,  tudor.ambarus@linaro.org,
	 mwalle@kernel.org, miquel.raynal@bootlin.com,  richard@nod.at,
	 vigneshr@ti.com, linux-mtd@lists.infradead.org,
	 linux-kernel@vger.kernel.org, haibo.chen@nxp.com,
	 han.xu@nxp.com
Subject: Re: [PATCH v3 1/2] mtd: spi-nor: core: avoid odd length/address reads on 8D-8D-8D mode
Date: Mon, 01 Sep 2025 16:19:49 +0200	[thread overview]
Message-ID: <mafs0tt1mw8ze.fsf@kernel.org> (raw)
In-Reply-To: <20250708091646.292-1-ziniu.wang_1@nxp.com>

Hi,

On Tue, Jul 08 2025, ziniu.wang_1@nxp.com wrote:

> From: Pratyush Yadav <p.yadav@ti.com>
>
> On Octal DTR capable flashes like Micron Xcella reads cannot start or
> end at an odd address in Octal DTR mode. Extra bytes need to be read at
> the start or end to make sure both the start address and length remain
> even.
>
> To avoid allocating too much extra memory, thereby putting unnecessary
> memory pressure on the system, the temporary buffer containing the extra
> padding bytes is capped at PAGE_SIZE bytes. The rest of the 2-byte
> aligned part should be read directly in the main buffer.
>
> Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
> Reviewed-by: Michael Walle <michael@walle.cc>
> Signed-off-by: Luke Wang <ziniu.wang_1@nxp.com>

Series applied to spi-nor/next. Thanks!

[...]

-- 
Regards,
Pratyush Yadav

  parent reply	other threads:[~2025-09-01 17:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-08  9:16 [PATCH v3 1/2] mtd: spi-nor: core: avoid odd length/address reads on 8D-8D-8D mode ziniu.wang_1
2025-07-08  9:16 ` ziniu.wang_1
2025-07-08  9:16 ` [PATCH v3 2/2] mtd: spi-nor: core: avoid odd length/address writes in " ziniu.wang_1
2025-07-08  9:16   ` ziniu.wang_1
2025-08-13  2:49   ` Luke Wang
2025-08-13  2:49     ` Luke Wang
2025-08-13 12:46     ` Pratyush Yadav
2025-08-13 12:46       ` Pratyush Yadav
2025-09-01 14:19 ` Pratyush Yadav [this message]
2025-09-01 14:19   ` [PATCH v3 1/2] mtd: spi-nor: core: avoid odd length/address reads on " Pratyush Yadav

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