linux-kernel - Re: [PATCH v13 05/10] usb: dwc3: qcom: Refactor IRQ handling in QCOM Glue driver

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Message-ID: <b3a382e3-2f24-4481-adec-030cc79997b3@linaro.org>
Date:   Fri, 24 Nov 2023 10:13:05 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>,
        Johan Hovold <johan@...nel.org>
Cc:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        quic_pkondeti@...cinc.com, quic_ppratap@...cinc.com,
        quic_jackp@...cinc.com, ahalaney@...hat.com,
        quic_shazhuss@...cinc.com
Subject: Re: [PATCH v13 05/10] usb: dwc3: qcom: Refactor IRQ handling in QCOM
 Glue driver

On 24/11/2023 10:00, Krishna Kurapati PSSNV wrote:
>>
>>> I didn't add missing interrupts on sc8280xp because I see that current
>>> interrupts present are working fine (I see ADB working and wakeup
>>> working as well), but the interrupt vector numbers are off by "1"
>>> between hs specifics and DT (both upstream and downstream). Will sort it
>>> out and clean that target up later.
>>
>> Which interrupt numbers are off by one here?
>>   
> 
> My bad, this might be the confusion. The HW specifics say:
> 
> Controller-2, power_event irq:
> 
> SYS_apcsQgicSPI[812]		Vector-number: 843
> 
> 
> Usually vector number = 32 + GIC number AFAIK.
> By that logic, If vector number is 843, GIC_SPI number is 811 which is 
> same as DT. Probably the GIC_SPI number is printed wrong. The DT matches 
> (vector number - 32).
> 
> Sorry for mentioning that it is wrong. The DT entries are right and it 
> is working on upstream.
> 
> The missing hs_phy_irq's have been put on the mail thread on this list 
> before.
> 
> Regards,
> Krishna,
> 
>>> [1]: https://patchwork.kernel.org/project/linux-arm-msm/list/?series=803412
>>
>> I took a quick look at the series, and it looks like this will
>> eventually clean things up a lot. We should probably define a generic
>> order for the interrupts with the sometimes optional SS interrupts last.
>>
>> Side note: It looks like the threading in that series is broken.
>> Consider using git-send-email for sending series as it takes care of
>> things like that.
>>
> 
> Usually I do git send-email for the whole out folder where the patches 
> are present, but linux-usb list is common to all the patches in that 
> case, even the DT ones. So to avoid that and to send patches to only 
> relavant mailing lists, I did git send email individually on each patch 
> which might have caused this issue.

I don't understand why. This is some weird workflow. If you do not use
b4, then it is simple:
git format-patch -10 -v13
get_maintainers v13*
git send-email v13*
And that's it. Last two steps can be even one command, like I am doing
(shared the macro multiple times).

Best regards,
Krzysztof