Re: [PATCH net] dt-bindings: net: snps,stmmac: Fix inconsistencies in some properties belonging to stmmac-axi-config

From: Kunihiko Hayashi
Date: Wed Jan 11 2023 - 19:41:34 EST


Hi Krzysztof,

On 2023/01/11 18:19, Krzysztof Kozlowski wrote:
> On 11/01/2023 03:26, Kunihiko Hayashi wrote:
>> The description of some properties in stmmac-axi-config don't match the
>> behavior of the corresponding driver. Fix the inconsistencies by fixing
>> the dt-schema.
>>
>> Fixes: 5361660af6d3 ("dt-bindings: net: snps,dwmac: Document
>> stmmac-axi-config subnode")
>> Fixes: afea03656add ("stmmac: rework DMA bus setting and introduce new
>> platform AXI structure")
>> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
>
> NAK.
>
> I don't understand what do you mean by "corresponding driver". Driver
> uses existing properties in current next.

Sorry for my mistake.

I found my local repository was out of date and
the commit 61d4f140943c ("net: stmmac: fix "snps,axi-config" node property parsing")
had already solved the issue to fix the driver.

>> ---
>> .../devicetree/bindings/net/snps,dwmac.yaml | 16 ++++++++--------
>> 1 file changed, 8 insertions(+), 8 deletions(-)
>>
>> In this patch the definition of the corresponding driver is applied.
>> If applying the definition of the devicetree, we need to change the driver
>> instead of this patch.
>>
>> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> index e88a86623fce..2332bf7cfcd4 100644
>> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> @@ -158,11 +158,11 @@ properties:
>> * snps,xit_frm, unlock on WoL
>> * snps,wr_osr_lmt, max write outstanding req. limit
>> * snps,rd_osr_lmt, max read outstanding req. limit
>> - * snps,kbbe, do not cross 1KiB boundary.
>> + * snps,axi_kbbe, do not cross 1KiB boundary.
>> * snps,blen, this is a vector of supported burst length.
>> - * snps,fb, fixed-burst
>> - * snps,mb, mixed-burst
>> - * snps,rb, rebuild INCRx Burst
>> + * snps,axi_fb, fixed-burst
>> + * snps,axi_mb, mixed-burst
>> + * snps,axi_rb, rebuild INCRx Burst
>>
>> snps,mtl-rx-config:
>> $ref: /schemas/types.yaml#/definitions/phandle
>> @@ -516,7 +516,7 @@ properties:
>> description:
>> max read outstanding req. limit
>>
>> - snps,kbbe:
>> + snps,axi_kbbe:
>
> There is no such property. Driver parses snps,kbbe. What's more you
> introduce invalid character - underscore - for property name.

I understand the invalid character. This issue should have been fixed
in the driver parsing and was already fixed.

Thank you,

---
Best Regards
Kunihiko Hayashi