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Message-ID: <ea41e06c-bd2a-e375-4e7c-8cff85d29627@linaro.org>
Date:   Fri, 21 Jul 2023 14:10:07 +0200
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Subject: Re: [PATCH v8 6/9] usb: dwc3: qcom: Add multiport controller support
 for qcom wrapper
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To:     Johan Hovold <johan@kernel.org>,
        Krishna Kurapati PSSNV <quic_kriskura@quicinc.com>
Cc:     Wesley Cheng <quic_wcheng@quicinc.com>,
        Jack Pham <quic_jackp@quicinc.com>,
        Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Felipe Balbi <balbi@kernel.org>, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org, quic_pkondeti@quicinc.com,
        quic_ppratap@quicinc.com, ahalaney@redhat.com
References: <20230514054917.21318-1-quic_kriskura@quicinc.com>
 <20230514054917.21318-7-quic_kriskura@quicinc.com>
 <ZIB1JEmLCw41v_4e@hovoldconsulting.com>
 <ZJsDpqttBYtbQ0yg@hovoldconsulting.com>
 <26ae15d1-4e13-3ab7-6844-3a7d3ed03af4@quicinc.com>
 <ZLEOk-9VImJNHYHa@hovoldconsulting.com>
 <f02104c0-d177-0e4e-dcb0-ffca589c8b00@quicinc.com>
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From:   Konrad Dybcio <konrad.dybcio@linaro.org>
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In-Reply-To: <ZLppB67LyWk1kD8w@hovoldconsulting.com>
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On 21.07.2023 13:16, Johan Hovold wrote:
> On Fri, Jul 14, 2023 at 04:08:45PM +0530, Krishna Kurapati PSSNV wrote:
>> On 7/14/2023 2:30 PM, Johan Hovold wrote:
>>> On Mon, Jul 03, 2023 at 12:35:48AM +0530, Krishna Kurapati PSSNV wrote:
>>>> On 6/27/2023 9:13 PM, Johan Hovold wrote:
>>>>> On Wed, Jun 07, 2023 at 02:16:37PM +0200, Johan Hovold wrote:
>>>>>> On Sun, May 14, 2023 at 11:19:14AM +0530, Krishna Kurapati wrote:
>>>
>>>>>>> -	val = readl(qcom->qscratch_base + PWR_EVNT_IRQ_STAT_REG);
>>>>>>> -	if (!(val & PWR_EVNT_LPM_IN_L2_MASK))
>>>>>>> -		dev_err(qcom->dev, "HS-PHY not in L2\n");
>>>>>>> +	for (i = 0; i < dwc->num_usb2_ports; i++) {
>>>>>>> +		val = readl(qcom->qscratch_base + pwr_evnt_irq_stat_reg_offset[i]);
>>>>>>> +		if (!(val & PWR_EVNT_LPM_IN_L2_MASK))
>>>>>>> +			dev_err(qcom->dev, "HS-PHY%d not in L2\n", i);
>>>>>>> +	}
>>>>>
>>>>>> When testing this on the X13s I get:
>>>>>>
>>>>>> 	dwc3-qcom a4f8800.usb: HS-PHY2 not in L2
Sidenote, I get this on any Qcom device on any platform I try
to enter suspend on, without these MP patches.

Konrad