[PATCH 2/2] riscv: dts: Add "b" ISA extension to existing devicetrees

[Guodong Xu]

Hi, Conor, Yixun

On Tue, Jan 13, 2026 at 3:53 PM Yixun Lan <dlan at gentoo.org> wrote:
>
> Hi Guodong,
>
>
> On 15:45 Tue 13 Jan     , Guodong Xu wrote:
> > "b" is ratified (Apr/2024) much later than its components zba/zbb/zbs
> > (Jun/2021). With "b" added into riscv/extensions.yaml, a dependency
> > checking rule is now enforced, which requires that when zba, zbb, and zbs
> > are all specified, "b" must be added as well. Failing to do this will
> > cause dtbs_check schema check warnings.
> >
> > According to uabi.rst, as a single-letter extension, "b" should be added
> > after "c" in canonical order.
> >
> > Update existing devicetree files to conform to this rule. Line balancing
> > is performed where needed to improve readability.
> >
> > Signed-off-by: Guodong Xu <guodong at riscstar.com>
> > ---
> >  arch/riscv/boot/dts/anlogic/dr1v90.dtsi     |   5 +-
> >  arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi | 256 ++++++++++++++--------------
> >  arch/riscv/boot/dts/spacemit/k1.dtsi        |  32 ++--
> >  3 files changed, 147 insertions(+), 146 deletions(-)
> please have separated patch for different SoCs, so they can go via

Understand your concern.

> their own SoC tree.. thanks

Conor, is it possible to take this as one patch instead?

It fixes the same dtbs_check warnings from riscv/extensions.yaml across three
SoCs. Keeping them together maintains readability and clear tracking, IMHO.

Happy to split if needed, but wanted to check first.

Thanks,
Guodong

>
> --
> Yixun Lan (dlan)