From: Miquel Raynal <miquel.raynal@bootlin.com>
To: <Takahiro.Kuwano@infineon.com>
Cc: <pratyush@kernel.org>, <mwalle@kernel.org>, <richard@nod.at>,
<vigneshr@ti.com>, <nicolas.ferre@microchip.com>,
<alexandre.belloni@bootlin.com>, <claudiu.beznea@tuxon.dev>,
<corbet@lwn.net>, <skhan@linuxfoundation.org>,
<STLin2@winbond.com>, <hsinyi@chromium.org>,
<thomas.petazzoni@bootlin.com>, <linux-mtd@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>
Subject: Re: [PATCH v3 13/23] mtd: spi-nor: winbond: Add support for W25Q01RV-Q/N
Date: Wed, 02 Sep 2026 16:48:38 +0200 [thread overview]
Message-ID: <87se3r7lq1.fsf@bootlin.com> (raw)
In-Reply-To: <4d7597839fc542ea846fe0ddb3eb6683@infineon.com> (Takahiro Kuwano's message of "Thu, 20 Aug 2026 06:15:08 +0000")
On 20/08/2026 at 06:15:08 GMT, <Takahiro.Kuwano@infineon.com> wrote:
> Hi Miquel,
>
>> There is an ID collision with the chip of same density from the JV
>> family. Both chips are very similar in practice, it is mostly a matter
>> of electrical differences (mostly power consumption being lower).
>>
>> As a significant difference, RV chips identify themselves as supporting
>> the new SFDP (rev F) field which forces an alternate write SR2
>> opcode (0x31).
>>
>> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
>> ---
>> + cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
>> ef4020
>
> ef4021?
> I think you copied wrong log (this looks same as patch #12).
Correct! I just made a new acquisition and fixed the logs.
Thanks!
Miquèl
next prev parent reply other threads:[~2026-09-02 14:49 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-13 15:19 [PATCH v3 00/23] mtd: spi-nor: QE handling cleanup + fixup reworks + Winbond RV chips addition Miquel Raynal
2026-08-13 15:19 ` [PATCH v3 01/23] mtd: spi-nor: Rename BFPT_DWORD15_QER_SR2_BIT1_BUGGY Miquel Raynal
2026-08-14 7:30 ` Michael Walle
2026-08-20 5:50 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 02/23] mtd: spi-nor: Create a structure containing the flash opcodes Miquel Raynal
2026-08-14 7:31 ` Michael Walle
2026-08-20 5:52 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 03/23] mtd: spi-nor: Refactor Read Status/Write Status support Miquel Raynal
2026-08-14 12:25 ` Michael Walle
2026-09-02 10:08 ` Miquel Raynal
2026-08-13 15:19 ` [PATCH v3 04/23] mtd: spi-nor: Add support for the new JESD216 rev F QER field Miquel Raynal
2026-08-14 12:26 ` Michael Walle
2026-08-20 5:53 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 05/23] mtd: spi-nor: Create the concept of fixup table with match function Miquel Raynal
2026-08-14 9:40 ` Michael Walle
2026-08-27 16:43 ` Miquel Raynal
2026-08-28 9:43 ` Michael Walle
2026-08-31 15:07 ` Miquel Raynal
2026-08-20 5:56 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 06/23] mtd: spi-nor: Create an indirection on the part name Miquel Raynal
2026-08-14 9:41 ` Michael Walle
2026-08-20 5:57 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 07/23] mtd: spi-nor: Move the SFDP header structure to a C header Miquel Raynal
2026-08-14 9:41 ` Michael Walle
2026-08-20 5:57 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 08/23] mtd: spi-nor: winbond: Prepare introduction of W25QxxRV-Q/N parts Miquel Raynal
2026-08-14 9:46 ` Michael Walle
2026-09-01 9:02 ` Miquel Raynal
2026-08-20 5:58 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 09/23] mtd: spi-nor: winbond: Add support for W25Q32RV-Q/N Miquel Raynal
2026-08-14 9:46 ` Michael Walle
2026-08-20 6:03 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 10/23] mtd: spi-nor: winbond: Add support for W25Q64RV-Q/N Miquel Raynal
2026-08-14 9:46 ` Michael Walle
2026-08-20 6:03 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 11/23] mtd: spi-nor: winbond: Add support for W25Q12RV-Q/N Miquel Raynal
2026-08-14 9:47 ` Michael Walle
2026-08-20 6:04 ` Takahiro.Kuwano
2026-08-20 7:32 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 12/23] mtd: spi-nor: winbond: Add support for W25Q51RV-Q/N Miquel Raynal
2026-08-14 9:47 ` Michael Walle
2026-08-20 6:04 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 13/23] mtd: spi-nor: winbond: Add support for W25Q01RV-Q/N Miquel Raynal
2026-08-14 9:47 ` Michael Walle
2026-08-20 6:15 ` Takahiro.Kuwano
2026-09-02 14:48 ` Miquel Raynal [this message]
2026-08-13 15:19 ` [PATCH v3 14/23] mtd: spi-nor: winbond: Add support for W25Q02RV-Q/N Miquel Raynal
2026-08-14 9:48 ` Michael Walle
2026-08-20 6:17 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 15/23] mtd: spi-nor: winbond: Prepare introduction of W25QxxRV-M parts Miquel Raynal
2026-08-14 9:50 ` Michael Walle
2026-08-20 6:18 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 16/23] mtd: spi-nor: winbond: Add support for W25Q32RV-M Miquel Raynal
2026-08-14 9:50 ` Michael Walle
2026-08-20 6:19 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 17/23] mtd: spi-nor: winbond: Add support for W25Q64RV-M Miquel Raynal
2026-08-14 9:51 ` Michael Walle
2026-08-20 6:21 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 18/23] mtd: spi-nor: winbond: Add support for W25Q12RV-M Miquel Raynal
2026-08-14 9:51 ` Michael Walle
2026-08-20 6:44 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 19/23] mtd: spi-nor: winbond: Add support for W25Q51RV-M Miquel Raynal
2026-08-14 9:52 ` Michael Walle
2026-08-20 6:48 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 20/23] mtd: spi-nor: winbond: Add support for W25Q01RV-M Miquel Raynal
2026-08-14 9:52 ` Michael Walle
2026-08-20 6:50 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 21/23] mtd: spi-nor: winbond: Add support for W25Q02RV-M Miquel Raynal
2026-08-14 9:52 ` Michael Walle
2026-08-20 6:52 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 22/23] mtd: spi-nor: winbond: Add support for W25Q51RV-Q/N/M Miquel Raynal
2026-08-14 9:53 ` Michael Walle
2026-08-20 7:42 ` Takahiro.Kuwano
2026-08-13 15:19 ` [PATCH v3 23/23] mtd: spi-nor: debugfs: Expose SR opcodes and QE mask Miquel Raynal
2026-08-20 7:03 ` Takahiro.Kuwano
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87se3r7lq1.fsf@bootlin.com \
--to=miquel.raynal@bootlin.com \
--cc=STLin2@winbond.com \
--cc=Takahiro.Kuwano@infineon.com \
--cc=alexandre.belloni@bootlin.com \
--cc=claudiu.beznea@tuxon.dev \
--cc=corbet@lwn.net \
--cc=hsinyi@chromium.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mtd@lists.infradead.org \
--cc=mwalle@kernel.org \
--cc=nicolas.ferre@microchip.com \
--cc=pratyush@kernel.org \
--cc=richard@nod.at \
--cc=skhan@linuxfoundation.org \
--cc=thomas.petazzoni@bootlin.com \
--cc=vigneshr@ti.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox