Re: [RESEND PATCH] dt-bindings: sifive-ccache: fix cache level for l3 cache

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On 30/08/2022 13:56, Conor.Dooley@xxxxxxxxxxxxx wrote:
On 30/08/2022 13:51, Ben Dooks wrote:
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With newer cores such as the p550, the SiFive composable cache can be
a level 3 cache. Update the cache level to be one of 2 or 3.

Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxx>
---
   Documentation/devicetree/bindings/riscv/sifive-ccache.yaml | 2 +-
   1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/riscv/sifive-ccache.yaml b/Documentation/devicetree/bindings/riscv/sifive-ccache.yaml
index 1a64a5384e36..6190deb65455 100644
--- a/Documentation/devicetree/bindings/riscv/sifive-ccache.yaml
+++ b/Documentation/devicetree/bindings/riscv/sifive-ccache.yaml
@@ -45,7 +45,7 @@ properties:
       const: 64

     cache-level:
-    const: 2
+    enum: [2, 3]

Do we want to enforce the cache level like we currently do for
interrupts and cache-sets?

Not sure on that, for the P550 cores the ccache is going to be level3
and my colleague has said it does confuse some tooling if the level is
not set correctly.

--
Ben




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