From: "Maulik Shah (mkshah)" <maulik.shah@oss.qualcomm.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Thomas Gleixner <tglx@kernel.org>,
Linus Walleij <linusw@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
Sneh Mankad <sneh.mankad@oss.qualcomm.com>
Subject: Re: [PATCH 1/5] arm64: dts: qcom: x1e80100: Remove interconnect from SCM device
Date: Mon, 16 Mar 2026 10:02:18 +0530 [thread overview]
Message-ID: <5c100978-a371-4e2b-ad65-b160eee8fbdc@oss.qualcomm.com> (raw)
In-Reply-To: <20260313-nippy-seahorse-of-security-b1b6f6@quoll>
On 3/13/2026 7:26 PM, Krzysztof Kozlowski wrote:
> On Thu, Mar 12, 2026 at 09:26:35PM +0530, Maulik Shah wrote:
>> Interconnect from SCM device are optional and were added to get
>> additional performance benefit. These nodes however delays the
>> SCM firmware device probe due to dependency on interconnect and
>
> So fix drivers.
Yes, will address in v2.
>
>> results in NULL pointer dereference for the users of SCM device
>> driver APIs, such as PDC driver.
>>
>> Remove them from the scm device to unblock the user.
>>
>> Signed-off-by: Maulik Shah <maulik.shah@oss.qualcomm.com>
>> ---
>> arch/arm64/boot/dts/qcom/hamoa.dtsi | 3 +--
>> 1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
>> index d7596ccf63b90a8a002ad6e77c0fb2c1b32ec9c8..ebecf43e0d462c431540257e299e3ace054901fd 100644
>> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
>> @@ -308,8 +308,7 @@ eud_in: endpoint {
>> firmware {
>> scm: scm {
>> compatible = "qcom,scm-x1e80100", "qcom,scm";
>> - interconnects = <&aggre2_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS
>> - &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
>> + /* TODO: add interconnects */
>
> NAK, interconnects were there already. So after applying your patch I
> can just revert it immediately solving the TODO.
Yes, this change will be dropped from v2 and instead will be using qcom_scm_is_available()
to handle the dependencies.
Thanks,
Maulik
next prev parent reply other threads:[~2026-03-16 4:32 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 15:56 [PATCH 0/5] x1e80100: Enable PDC wake GPIOs and deepest idle state Maulik Shah
2026-03-12 15:56 ` [PATCH 1/5] arm64: dts: qcom: x1e80100: Remove interconnect from SCM device Maulik Shah
2026-03-13 2:11 ` Dmitry Baryshkov
2026-03-13 10:12 ` Maulik Shah (mkshah)
2026-03-13 11:59 ` Konrad Dybcio
2026-03-13 14:48 ` Dmitry Baryshkov
2026-03-16 9:39 ` Konrad Dybcio
2026-03-16 14:25 ` Dmitry Baryshkov
2026-03-18 9:33 ` Konrad Dybcio
2026-03-18 10:38 ` Dmitry Baryshkov
2026-03-18 10:39 ` Konrad Dybcio
2026-03-18 14:23 ` Dmitry Baryshkov
2026-03-13 15:17 ` Maulik Shah (mkshah)
2026-03-13 14:47 ` Dmitry Baryshkov
2026-03-13 13:56 ` Krzysztof Kozlowski
2026-03-16 4:32 ` Maulik Shah (mkshah) [this message]
2026-03-12 15:56 ` [PATCH 2/5] dt-bindings: interrupt-controller: qcom,pdc: Document reg and QMP Maulik Shah
2026-03-13 13:55 ` Krzysztof Kozlowski
2026-03-12 15:56 ` [PATCH 3/5] irqchip/qcom-pdc: Configure PDC to pass through mode Maulik Shah
2026-03-13 2:22 ` Dmitry Baryshkov
2026-03-13 6:40 ` Maulik Shah (mkshah)
2026-03-13 11:49 ` Konrad Dybcio
2026-03-24 2:52 ` Bjorn Andersson
2026-03-12 15:56 ` [PATCH 4/5] arm64: dts: qcom: x1e80100: Add deepest idle state Maulik Shah
2026-03-13 2:30 ` Dmitry Baryshkov
2026-03-13 6:41 ` Maulik Shah (mkshah)
2026-03-13 13:57 ` Krzysztof Kozlowski
2026-03-16 4:36 ` Maulik Shah (mkshah)
2026-03-12 15:56 ` [PATCH 5/5] Revert "pinctrl: qcom: x1e80100: Bypass PDC wakeup parent for now" Maulik Shah
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