linux-kernel - Re: [PATCH] arm64: dts: qcom: Correct IRQ number of EL2 non-secure physical timer

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Message-ID: <dadfe8f3-8592-4884-8206-a37cb856143a@quicinc.com>
Date: Thu, 5 Dec 2024 18:24:04 +0800
From: Cong Zhang <quic_congzhan@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>
CC: <quic_pkondeti@...cinc.com>, <quic_aiquny@...cinc.com>,
        <kernel@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: qcom: Correct IRQ number of EL2 non-secure
 physical timer

On 11/27/2024 5:37 PM, Krzysztof Kozlowski wrote:
> On 27/11/2024 10:32, Cong Zhang wrote:
>> The INTID of EL2 non-secure physical timer is 26. In linux, the IRQ
>> number has a fixed 16 offset for PPIs. Therefore, the linux IRQ number
>> of EL2 non-secure physical timer should be 10 (26 - 16).
>>
>> Signed-off-by: Cong Zhang <quic_congzhan@...cinc.com>
>> ---
>> The EL2 non-secure physical timer is utilized during kernel bootup in
>> EL2 mode with KVM enabled. This patch has been verified on the QCS8300
>> platform with KVM enabled. Given that the dependency patch has already
>> been reviewed, I am uncertain whether it is preferable to submit this
>> fix as a new patch or to combine it with the dependency patch. I would
>> appreciate your suggestions on this patch.
>> ---
>>   arch/arm64/boot/dts/qcom/qcs8300.dtsi | 2 +-
> This was not merged. Do not post fixes to things which are still patches
> on mailing list.
> 
> Best regards,
> Krzysztof
Thanks for your suggestion. The patches for qcs8300 are update 
https://lore.kernel.org/all/20241128-qcs8300_initial_dtsi-v3-3-26aa8a164914@quicinc.com/. 
I will update this patch to fix sdx75 platform which is already merged.

-- 
Thanks,
Cong Zhang