U-Boot Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Yixun Lan <dlan@kernel.org>
To: Bruno Banelli <bbanelli@gmail.com>
Cc: Huan Zhou <pericycle.cc@gmail.com>,
	Guodong Xu <guodong.xu@oss.qualcomm.com>,
	Tom Rini <trini@konsulko.com>,
	u-boot-spacemit@groups.io, u-boot@lists.u-boot-project.org
Subject: Re: [PATCH] board: spacemit: k1: accept the "m1-x_" TLV product name prefix
Date: Tue, 25 Aug 2026 22:50:54 +0000	[thread overview]
Message-ID: <20260825225054-GKE631715@kernel.org> (raw)
In-Reply-To: <20260825224418-GKC631715@kernel.org>

On 22:44 Tue 25 Aug     , Yixun Lan wrote:
> Hi Bruno,
>  Cc Guodong's new mail address
> 
> On 08:52 Tue 25 Aug     , Bruno Banelli wrote:
> > board_fit_config_name_match() derives the device tree name from the TLV
> > product name held in the board EEPROM, and only recognises boards whose
> > product name starts with "k1-x_".
> > 
> > Boards fitted with the higher-binned M1 part report an "m1-x_" prefix
> > instead.  On those, fdt_name is left empty and the function silently
> > falls back to "k1-musepi-pro", so an M1 board selects the wrong device
> > tree with no error or warning.
> > 
> > A Milk-V Jupiter fitted with an M1 reads, from the 24c04 at i2c2 0x50:
> > 
> >   00: 54 6c 76 49 6e 66 6f 00 01 00 1a 21 12 6d 31 2d  TlvInfo....!.m1-
> >   10: 78 5f 6d 69 6c 6b 76 2d 6a 75 70 69 74 65 72 fe  x_milkv-jupiter.
> > 
> > i.e. TLV code 0x21 (product name), length 0x12, "m1-x_milkv-jupiter".
> > 
> > The device trees are named for the K1 in both cases, so accept either
> > prefix and keep deriving a "k1-" name.
> > 
> > Signed-off-by: Bruno Banelli <bbanelli@gmail.com>
> 
> Looks good
> Reviewd-by: Yixun Lan <dlan@kernel.org>
sorry, have a typo here ..
Reviewed-by: Yixun Lan <dlan@kernel.org>

-- 
Yixun Lan (dlan)

      reply	other threads:[~2026-08-25 22:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-25  6:52 [PATCH] board: spacemit: k1: accept the "m1-x_" TLV product name prefix Bruno Banelli
2026-08-25 22:44 ` Yixun Lan
2026-08-25 22:50   ` Yixun Lan [this message]

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=20260825225054-GKE631715@kernel.org \
    --to=dlan@kernel.org \
    --cc=bbanelli@gmail.com \
    --cc=guodong.xu@oss.qualcomm.com \
    --cc=pericycle.cc@gmail.com \
    --cc=trini@konsulko.com \
    --cc=u-boot-spacemit@groups.io \
    --cc=u-boot@lists.u-boot-project.org \
    /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