| Message ID | 20240903-qcs8300_llcc_driver-v1-1-228659bdf067@quicinc.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | soc: qcom: llcc: Add llcc support for the QCS8300 platform | expand |
On Tue, Sep 03, 2024 at 02:21:29PM +0800, Jingyi Wang wrote: > Add a property "num-banks" for errata. This you said in commit subject and we see in the diff. You *MUST* explain why. > > Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> > --- > Documentation/devicetree/bindings/cache/qcom,llcc.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml > index 68ea5f70b75f..03241b719c98 100644 > --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml > +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml > @@ -56,6 +56,11 @@ properties: > items: > - const: multi-chan-ddr > > + num-banks: No vendor prefix? So this is generic property? Then add to some common schema with proper explanation WHY. > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: > + The num of llcc banks And what are llcc (or LLCC?) banks? Best regards, Krzysztof
On 9/3/2024 3:10 PM, Krzysztof Kozlowski wrote: > On Tue, Sep 03, 2024 at 02:21:29PM +0800, Jingyi Wang wrote: >> Add a property "num-banks" for errata. > > This you said in commit subject and we see in the diff. You *MUST* > explain why. > >> >> Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> >> --- >> Documentation/devicetree/bindings/cache/qcom,llcc.yaml | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >> index 68ea5f70b75f..03241b719c98 100644 >> --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >> +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >> @@ -56,6 +56,11 @@ properties: >> items: >> - const: multi-chan-ddr >> >> + num-banks: > > No vendor prefix? So this is generic property? Then add to some common > schema with proper explanation WHY. > >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + description: >> + The num of llcc banks > > And what are llcc (or LLCC?) banks? > > Will add the vendor prefix and description in the next series. > Best regards, > Krzysztof > Thanks, Jingyi
On 03/09/2024 09:30, Jingyi Wang wrote: > > > On 9/3/2024 3:10 PM, Krzysztof Kozlowski wrote: >> On Tue, Sep 03, 2024 at 02:21:29PM +0800, Jingyi Wang wrote: >>> Add a property "num-banks" for errata. >> >> This you said in commit subject and we see in the diff. You *MUST* >> explain why. >> >>> >>> Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> >>> --- >>> Documentation/devicetree/bindings/cache/qcom,llcc.yaml | 5 +++++ >>> 1 file changed, 5 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >>> index 68ea5f70b75f..03241b719c98 100644 >>> --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >>> +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >>> @@ -56,6 +56,11 @@ properties: >>> items: >>> - const: multi-chan-ddr >>> >>> + num-banks: >> >> No vendor prefix? So this is generic property? Then add to some common >> schema with proper explanation WHY. >> >>> + $ref: /schemas/types.yaml#/definitions/uint32 >>> + description: >>> + The num of llcc banks >> >> And what are llcc (or LLCC?) banks? >> >> > Will add the vendor prefix and description in the next series. You did not provide rationale nor answer to concerns so far. Best regards, Krzysztof
On 9/3/2024 4:00 PM, Krzysztof Kozlowski wrote: > On 03/09/2024 09:30, Jingyi Wang wrote: >> >> >> On 9/3/2024 3:10 PM, Krzysztof Kozlowski wrote: >>> On Tue, Sep 03, 2024 at 02:21:29PM +0800, Jingyi Wang wrote: >>>> Add a property "num-banks" for errata. >>> >>> This you said in commit subject and we see in the diff. You *MUST* >>> explain why. >>> Usually the num of LLCC banks is read from hardware, but there is errata on some SoCs to get the wrong bank num from LLCC_COMMON_STATUS0. Add a property "num-banks" to indicate the accurate data. >>>> >>>> Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> >>>> --- >>>> Documentation/devicetree/bindings/cache/qcom,llcc.yaml | 5 +++++ >>>> 1 file changed, 5 insertions(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >>>> index 68ea5f70b75f..03241b719c98 100644 >>>> --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >>>> +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml >>>> @@ -56,6 +56,11 @@ properties: >>>> items: >>>> - const: multi-chan-ddr >>>> >>>> + num-banks: >>> >>> No vendor prefix? So this is generic property? Then add to some common >>> schema with proper explanation WHY. >>> will qcom,num-banks be okay? >>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>>> + description: >>>> + The num of llcc banks >>> >>> And what are llcc (or LLCC?) banks? >>> >>> LLCC banks means LLCC register regions with same memory size and reg offset and different memory base for LLCC configuration. >> Will add the vendor prefix and description in the next series. > > You did not provide rationale nor answer to concerns so far. > > Best regards, > Krzysztof > Thanks, Jingyi
On 03/09/2024 10:38, Jingyi Wang wrote: > > > On 9/3/2024 4:00 PM, Krzysztof Kozlowski wrote: >> On 03/09/2024 09:30, Jingyi Wang wrote: >>> >>> >>> On 9/3/2024 3:10 PM, Krzysztof Kozlowski wrote: >>>> On Tue, Sep 03, 2024 at 02:21:29PM +0800, Jingyi Wang wrote: >>>>> Add a property "num-banks" for errata. >>>> >>>> This you said in commit subject and we see in the diff. You *MUST* >>>> explain why. >>>> > Usually the num of LLCC banks is read from hardware, but there is errata > on some SoCs to get the wrong bank num from LLCC_COMMON_STATUS0. Add a > property "num-banks" to indicate the accurate data. You have compatible for that. Anyway, your future patch must clearly explain the problem in details. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml index 68ea5f70b75f..03241b719c98 100644 --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml @@ -56,6 +56,11 @@ properties: items: - const: multi-chan-ddr + num-banks: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The num of llcc banks + required: - compatible - reg
Add a property "num-banks" for errata. Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> --- Documentation/devicetree/bindings/cache/qcom,llcc.yaml | 5 +++++ 1 file changed, 5 insertions(+)