Re: [PATCH] board: spacemit: k1: accept the "m1-x_" TLV product name prefix

[Yixun Lan <dlan@kernel.org>]

Hi Leo, Bruno

On 08:31 Mon 26 Oct     , Leo Liang wrote:
> Hi Bruno,
> 
> So sorry for the late reply!
> Could you rebase your patch against current master and send again.
> I will merge the patch once you send out the patch.
> 
Sorry, I've also missed this patch.

But since currently there is a dedicated custodian tree[1] for
SpacemiT SoC, let's merge it via there..

[1] https://git.u-boot-project.org/u-boot/custodians/u-boot-spacemit

> Best regards,
> Leo
> 
> On Tue, Aug 25, 2026 at 08:52:57AM +0200, 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>
> > Reviewed-by: Yixun Lan <dlan@kernel.org>
> > ---
> >  board/spacemit/k1/spl.c | 9 ++++++++-
> >  1 file changed, 8 insertions(+), 1 deletion(-)
> > 
> > 
> > base-commit: 964ad5b5c91b7be56e443e899d7f873e6aa8c9fc

-- 
Yixun Lan (dlan)