From: Conor Dooley <conor.dooley@microchip.com>

There are some extensions that contain numbers, such as Zve32f, which
are enabled by the "max" cpu type in QEMU.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
CC: Conor Dooley <conor@kernel.org>
CC: Rob Herring <robh+dt@kernel.org>
CC: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
CC: Paul Walmsley <paul.walmsley@sifive.com>
CC: Palmer Dabbelt <palmer@dabbelt.com>
CC: Albert Ou <aou@eecs.berkeley.edu>
CC: linux-riscv@lists.infradead.org
CC: devicetree@vger.kernel.org
CC: linux-kernel@vger.kernel.org
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index c91ab0e46648..92c31245d3fc 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -48,7 +48,7 @@ properties:
       insensitive, letters in the riscv,isa string must be all
       lowercase.
     $ref: /schemas/types.yaml#/definitions/string
-    pattern: ^rv(?:64|32)imaf?d?q?c?b?k?j?p?v?h?(?:[hsxz](?:[a-z])+)?(?:_[hsxz](?:[a-z])+)*$
+    pattern: ^rv(?:64|32)imaf?d?q?c?b?k?j?p?v?h?(?:[hsxz](?:[0-9a-z])+)?(?:_[hsxz](?:[0-9a-z])+)*$
     deprecated: true
 
   riscv,isa-base:
-- 
2.39.2

On 08/12/2023 17:06, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@microchip.com>
> 
> There are some extensions that contain numbers, such as Zve32f, which
> are enabled by the "max" cpu type in QEMU.
> 
> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

That regex exceeded my capabilities long time ago, so just formality, FWIW:

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof