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From: "Luca Weiss" <luca.weiss@fairphone.com>
To: "Konrad Dybcio" <konrad.dybcio@oss.qualcomm.com>,
	"Krzysztof Kozlowski" <krzk@kernel.org>,
	"Luca Weiss" <luca.weiss@fairphone.com>,
	"Taniya Das" <taniya.das@oss.qualcomm.com>
Cc: "Georgi Djakov" <djakov@kernel.org>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	<~postmarketos/upstreaming@lists.sr.ht>,
	<phone-devel@vger.kernel.org>, <linux-pm@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
	<linux-clk@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: Re: [PATCH 2/5] dt-bindings: clock: qcom,milos-camcc: Document interconnect path
Date: Fri, 06 Mar 2026 11:37:08 +0100	[thread overview]
Message-ID: <DGVMTLXR7VVA.3UCTHBGDDIKL7@fairphone.com> (raw)
In-Reply-To: <9f8619d4-43ac-4bc0-9598-c498d59a27b8@oss.qualcomm.com>

Hi Taniya,

On Mon Jan 19, 2026 at 11:28 AM CET, Konrad Dybcio wrote:
> On 1/19/26 11:20 AM, Konrad Dybcio wrote:
>> On 1/17/26 12:46 PM, Krzysztof Kozlowski wrote:
>>> On Fri, Jan 16, 2026 at 02:17:21PM +0100, Luca Weiss wrote:
>>>> Document an interconnect path for camcc that's required to enable
>>>> the CAMSS_TOP_GDSC power domain.
>>>
>>> I find it confusing. Enabling GDSC power domains is done via power
>>> domains, not via interconnects. Do not represent power domains as
>>> interconnects, it's something completely different.
>> 
>> The name of the power domains is CAMSS_TOP_GDSC (seems you misread)
>> 
>> For the power domain to successfully turn on, the MNoC needs to be
>> turned on (empirical evidence). The way to do it is to request a
>> nonzero vote on this interconnect path
>> 
>> (presumably because the GDSC or its invisible providers require
>> something connected over that bus to carry out their enable sequences).

Do you have any details you can share for this discussion?

Regards
Luca

  reply	other threads:[~2026-03-06 10:37 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-16 13:17 [PATCH 0/5] Support enabling interconnect path for GDSC for fixing Milos camcc Luca Weiss
2026-01-16 13:17 ` [PATCH 1/5] interconnect: Add devm_of_icc_get_by_index() as exported API for users Luca Weiss
2026-01-16 16:31   ` Dmitry Baryshkov
2026-01-19 10:43   ` Konrad Dybcio
2026-01-16 13:17 ` [PATCH 2/5] dt-bindings: clock: qcom,milos-camcc: Document interconnect path Luca Weiss
2026-01-17 11:46   ` Krzysztof Kozlowski
2026-01-19 10:20     ` Konrad Dybcio
2026-01-19 10:28       ` Konrad Dybcio
2026-03-06 10:37         ` Luca Weiss [this message]
2026-03-24  2:48         ` Mike Tipton
2026-03-24 11:13           ` Konrad Dybcio
2026-03-30 14:55           ` Luca Weiss
2026-04-02  3:10             ` Mike Tipton
2026-01-16 13:17 ` [PATCH 3/5] clk: qcom: gdsc: Support enabling interconnect path for power domain Luca Weiss
2026-03-24  3:34   ` Mike Tipton
2026-01-16 13:17 ` [PATCH 4/5] clk: qcom: camcc-milos: Declare icc path dependency for CAMSS_TOP_GDSC Luca Weiss
2026-01-16 16:34   ` Dmitry Baryshkov
2026-01-16 13:17 ` [PATCH 5/5] arm64: dts: qcom: milos: Add interconnects to camcc Luca Weiss
2026-01-16 16:34   ` Dmitry Baryshkov
2026-03-23 12:46 ` [PATCH 0/5] Support enabling interconnect path for GDSC for fixing Milos camcc Konrad Dybcio

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