All of lore.kernel.org
 help / color / mirror / Atom feed
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Teng Wu <gigadevice2025@gmail.com>
Cc: richard@nod.at,  vigneshr@ti.com,  linux-mtd@lists.infradead.org,
	linux-kernel@vger.kernel.org,  teng.wu@gigadevice.com
Subject: Re: [PATCH] mtd: spinand: gigadevice: Add continuous read support
Date: Sun, 24 Aug 2025 18:30:51 +0200	[thread overview]
Message-ID: <87349gisw4.fsf@bootlin.com> (raw)
In-Reply-To: <20250818135227.2114-1-gigadevice2025@gmail.com> (Teng Wu's message of "Mon, 18 Aug 2025 21:52:27 +0800")

Hello Teng,

On 18/08/2025 at 21:52:27 +08, Teng Wu <gigadevice2025@gmail.com> wrote:

> GD5F1GM9 supports a high-speed Continuous Read (CR) mode which allows
> the entire memory array to be read out by a single read command
> without re-issuing the 13h “Page Read to Cache” command for every page.
>
> Datasheet summary
> Feature register B0[3] (NR bit)
> 1 = Normal Read (default)
> 0 = Continuous Read (CR)
>
> ECC status register 7Ch
> Normal read: bits [3:0] → ECC status of last page
> Continuous read: bits [7:4] → accumulated max bit-flips over the
> whole sequential read operation.
>
> Datasheet:
> https://github.com/WT-886/DATASHEET/blob/main/GD5F1GM9-v1.0.pdf
>
> Signed-off-by: Teng Wu <gigadevice2025@gmail.com>
> ---

I am happy to see more defines benefiting from this feature! Would you
mind sharing the result of a speed test?
`flash_speed -c10 -d /dev/mtdx`

Thanks!
Miquèl

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

WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Teng Wu <gigadevice2025@gmail.com>
Cc: richard@nod.at,  vigneshr@ti.com,  linux-mtd@lists.infradead.org,
	linux-kernel@vger.kernel.org,  teng.wu@gigadevice.com
Subject: Re: [PATCH] mtd: spinand: gigadevice: Add continuous read support
Date: Sun, 24 Aug 2025 18:30:51 +0200	[thread overview]
Message-ID: <87349gisw4.fsf@bootlin.com> (raw)
In-Reply-To: <20250818135227.2114-1-gigadevice2025@gmail.com> (Teng Wu's message of "Mon, 18 Aug 2025 21:52:27 +0800")

Hello Teng,

On 18/08/2025 at 21:52:27 +08, Teng Wu <gigadevice2025@gmail.com> wrote:

> GD5F1GM9 supports a high-speed Continuous Read (CR) mode which allows
> the entire memory array to be read out by a single read command
> without re-issuing the 13h “Page Read to Cache” command for every page.
>
> Datasheet summary
> Feature register B0[3] (NR bit)
> 1 = Normal Read (default)
> 0 = Continuous Read (CR)
>
> ECC status register 7Ch
> Normal read: bits [3:0] → ECC status of last page
> Continuous read: bits [7:4] → accumulated max bit-flips over the
> whole sequential read operation.
>
> Datasheet:
> https://github.com/WT-886/DATASHEET/blob/main/GD5F1GM9-v1.0.pdf
>
> Signed-off-by: Teng Wu <gigadevice2025@gmail.com>
> ---

I am happy to see more defines benefiting from this feature! Would you
mind sharing the result of a speed test?
`flash_speed -c10 -d /dev/mtdx`

Thanks!
Miquèl

  reply	other threads:[~2025-08-24 16:31 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-18 13:52 [PATCH] mtd: spinand: gigadevice: Add continuous read support Teng Wu
2025-08-18 13:52 ` Teng Wu
2025-08-24 16:30 ` Miquel Raynal [this message]
2025-08-24 16:30   ` Miquel Raynal
2025-09-01 12:28 ` Miquel Raynal
2025-09-01 12:28   ` Miquel Raynal
  -- strict thread matches above, loose matches on Subject: below --
2025-08-18 13:51 Teng Wu
2025-08-18 13:51 ` Teng Wu

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=87349gisw4.fsf@bootlin.com \
    --to=miquel.raynal@bootlin.com \
    --cc=gigadevice2025@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mtd@lists.infradead.org \
    --cc=richard@nod.at \
    --cc=teng.wu@gigadevice.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.