From: Rajendra Nayak <rnayak@codeaurora.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Matthias Kaehlcke <mka@chromium.org>,
Stephen Boyd <swboyd@chromium.org>,
agross@kernel.org, robh+dt@kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Maulik Shah <mkshah@codeaurora.org>
Subject: Re: [PATCH v3 11/11] arm64: dts: qcom: sc7180: Add pdc interrupt controller
Date: Mon, 4 Nov 2019 12:26:38 +0530 [thread overview]
Message-ID: <c214110f-7620-8771-ef83-8a4fb1f8724f@codeaurora.org> (raw)
In-Reply-To: <20191104063348.GA2464@tuxbook-pro>
On 11/4/2019 12:03 PM, Bjorn Andersson wrote:
> On Sun 03 Nov 22:17 PST 2019, Rajendra Nayak wrote:
>
>>
>>
>> On 10/31/2019 1:20 AM, Matthias Kaehlcke wrote:
>>> On Tue, Oct 29, 2019 at 09:50:40AM -0700, Stephen Boyd wrote:
>>>> Quoting Rajendra Nayak (2019-10-23 02:02:19)
>>>>> From: Maulik Shah <mkshah@codeaurora.org>
>>>>>
>>>>> Add pdc interrupt controller for sc7180
>>>>>
>>>>> Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
>>>>> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
>>>>> ---
>>>>> v3:
>>>>> Used the qcom,sdm845-pdc compatible for pdc node
>>>>
>>>> Everything else isn't doing the weird old compatible thing. Why not just
>>>> add the new compatible and update the driver? I guess I'll have to go
>>>> read the history.
>>>
>>> Marc Zyngier complained on v2 about the churn from adding compatible
>>> strings for identical components, and I kinda see his point.
>>>
>>> I agree that using the 'sdm845' compatible string for sc7180 is odd too.
>>> Maybe we should introduce SoC independent compatible strings for IP blocks
>>> that are shared across multiple SoCs? If differentiation is needed SoC
>>> specific strings can be added.
>>
>> Sure, I will perhaps add a qcom,pdc SoC independent compatible to avoid
>> confusion.
>>
>
> I agree,
>
> compatible = "qcom,sc7180-pdc", "qcom,pdc";
>
> is the way to go.
I wasn't planning on adding a qcom,sc7180-pdc, but instead just use the
qcom,pdc one for sc7180.
>
> Reusing qcom,sdm845-pdc would prevent us from tackling any unforeseen
> issues/variations/erratas with one or the other platform in the future.
That was the intention of adding qcom,sc7180-pdc in the first place,
but Marc Zyngier was not happy with the churn, given there aren't really
any variations or erratas that we know of.
>
> Regards,
> Bjorn
>
>>
>> --
>> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
>> of Code Aurora Forum, hosted by The Linux Foundation
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2019-11-04 6:56 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 9:02 [PATCH v3 00/11] Add device tree support for sc7180 Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 01/11] dt-bindings: qcom: Add SC7180 bindings Rajendra Nayak
2019-10-25 19:50 ` Rob Herring
2019-11-04 6:03 ` Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 02/11] arm64: dts: sc7180: Add minimal dts/dtsi files for SC7180 soc Rajendra Nayak
2019-10-29 16:49 ` Stephen Boyd
2019-11-04 6:15 ` Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 03/11] dt-bindings: arm-smmu: update binding for qcom sc7180 SoC Rajendra Nayak
2019-10-25 19:51 ` Rob Herring
2019-11-04 6:04 ` Rajendra Nayak
2019-10-29 16:42 ` Stephen Boyd
2019-11-04 6:11 ` Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 04/11] arm64: dts: sc7180: Add device node for apps_smmu Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 05/11] arm64: dts: qcom: sc7180: Add cmd_db reserved area Rajendra Nayak
2019-10-23 12:16 ` Sibi Sankar
2019-10-24 2:30 ` Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 06/11] arm64: dts: qcom: sc7180: Add rpmh-rsc node Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 07/11] arm64: dts: qcom: sc7180: Add SPMI PMIC arbiter device Rajendra Nayak
2019-10-29 16:41 ` Stephen Boyd
2019-10-30 6:06 ` kgunda
2019-10-30 14:37 ` Stephen Boyd
2019-11-04 6:10 ` Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 08/11] arm64: dts: qcom: pm6150: Add PM6150/PM6150L PMIC peripherals Rajendra Nayak
2019-10-29 16:38 ` Stephen Boyd
2019-10-30 7:06 ` kgunda
2019-10-30 14:37 ` Stephen Boyd
2019-10-23 9:02 ` [PATCH v3 09/11] arm64: dts: qcom: sc7180-idp: Add RPMh regulators Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 10/11] arm64: dts: qcom: SC7180: Add node for rpmhcc clock driver Rajendra Nayak
2019-10-23 9:02 ` [PATCH v3 11/11] arm64: dts: qcom: sc7180: Add pdc interrupt controller Rajendra Nayak
2019-10-25 19:47 ` Matthias Kaehlcke
2019-11-04 6:03 ` Rajendra Nayak
2019-10-29 16:50 ` Stephen Boyd
2019-10-30 19:50 ` Matthias Kaehlcke
2019-11-04 6:17 ` Rajendra Nayak
2019-11-04 6:33 ` Bjorn Andersson
2019-11-04 6:56 ` Rajendra Nayak [this message]
2019-11-04 7:10 ` Bjorn Andersson
2019-11-05 0:34 ` Stephen Boyd
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