Re: [PATCH] Add JEDEC ID table entries for additional ISSI SPI-NOR devices.

From: Takahiro Kuwano <tkuw584924@gmail.com>
To: Jeffrey Yu <jeyu@issi.com>,
	"marek.vasut@gmail.com" <marek.vasut@gmail.com>,
	"tudor.ambarus@microchip.com" <tudor.ambarus@microchip.com>
Cc: "dwmw2@infradead.org" <dwmw2@infradead.org>,
	"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
	"bbrezillon@kernel.org" <bbrezillon@kernel.org>,
	"richard@nod.at" <richard@nod.at>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	Ji-Ho Kim <jhkim@issi.com>,
	"Mutya, Havish" <havish.mutya@amd.com>,
	Takahiro Kuwano <takahiro.kuwano@infineon.com>
Subject: Re: [PATCH] Add JEDEC ID table entries for additional ISSI SPI-NOR devices.
Date: Fri, 22 May 2026 13:50:17 +0900	[thread overview]
Message-ID: <c2fa6bfc-bf12-4953-a2e6-b7a424884e34@gmail.com> (raw)
In-Reply-To: <LV8PR19MB85977D6569B526DB1B068CACB6382@LV8PR19MB8597.namprd19.prod.outlook.com>

Hi,

On 5/11/2026 3:06 PM, Jeffrey Yu wrote:
> Add JEDEC ID table entries for additional ISSI SPI-NOR
>  devices.
> 
> These parts previously not yet supported.
> With these entries, Linux software can match the device by JEDEC ID
> and use the existing ISSI SPI-NOR device handling.
> 
> Newly added devices include:
>   - IS25LP512MJ  (JEDEC 0x9d6020)
>     https://www.issi.com/WW/pdf/25LP-WP512MJ.pdf
>   - IS25WP512MJ  (JEDEC 0x9d7020)
>     https://www.issi.com/WW/pdf/25LP-WP512MJ.pdf
>   - IS25LP010E   (JEDEC 0x9d4011)
>     https://www.issi.com/WW/pdf/25LP-WP040E-020E-010E-512E-025E.pdf
>   - IS25LP020E   (JEDEC 0x9d4012)
>     https://www.issi.com/WW/pdf/25LP-WP040E-020E-010E-512E-025E.pdf
>   - IS25LP040E   (JEDEC 0x9d4013)
>     https://www.issi.com/WW/pdf/25LP-WP040E-020E-010E-512E-025E.pdf
>   - IS25LP01GJ   (JEDEC 0x9d6021)
>     https://www.issi.com/WW/pdf/25LP-WP01GJ.pdf
>   - IS25LP02GG   (JEDEC 0x9d6022)
>     https://www.issi.com/WW/pdf/25LP-WP02GG.pdf
>   - IS25LP02GJ   (JEDEC 0x9d6022)
>     https://www.issi.com/WW/pdf/25LP-WP02GJ.pdf
>   - IS25WP01GG   (JEDEC 0x9d7021)
>     https://www.issi.com/WW/pdf/25LP-WP01GG.pdf
>   - IS25WP01GJ   (JEDEC 0x9d7021)
>     https://www.issi.com/WW/pdf/25LP-WP01GJ.pdf
>   - IS25WJ128F   (JEDEC 0x9d7118)
>     https://www.issi.com/WW/pdf/25WJ128F.pdf
>   - IS25WP02GG   (JEDEC 0x9d7022)
>     https://www.issi.com/WW/pdf/25LP-WP02GG.pdf
>   - IS25WP02GJ   (JEDEC 0x9d7022)
>     https://www.issi.com/WW/pdf/25LP-WP02GJ.pdf
> 
> Signed-off-by: Jeff Yu <jeyu@issi.com>

Please read and follow the guideline [1].
Use Link: tags for datasheet references.

> ---
>  drivers/mtd/spi-nor/issi.c | 571 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 571 insertions(+)
>  create mode 100644 drivers/mtd/spi-nor/issi.c
> 
The issi.c is existing file. Patch must contain changes you made only.

There are many style errors in this patch.
Please run 'scripts/checkpatch.pl --strict' to detect and fix errors.

Thanks,
Takahiro

[1] https://docs.kernel.org/driver-api/mtd/spi-nor.html

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