linux-kernel - Re: [RFC PATCH 08/14] usb: dwc3: Add DT parameter to specify maximum number of interrupters

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Date:   Mon, 26 Dec 2022 13:28:27 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>
Cc:     srinivas.kandagatla@...aro.org, mathias.nyman@...el.com,
        perex@...ex.cz, broonie@...nel.org, lgirdwood@...il.com,
        andersson@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        gregkh@...uxfoundation.org, Thinh.Nguyen@...opsys.com,
        bgoswami@...cinc.com, tiwai@...e.com, robh+dt@...nel.org,
        agross@...nel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
        quic_jackp@...cinc.com, quic_plai@...cinc.com
Subject: Re: [RFC PATCH 08/14] usb: dwc3: Add DT parameter to specify maximum
 number of interrupters

On 24/12/2022 12:13, Dmitry Baryshkov wrote:
>> @@ -1468,6 +1469,9 @@ static void dwc3_get_properties(struct dwc3 *dwc)
>>          */
>>         tx_fifo_resize_max_num = 6;
>>
>> +       /* default to a single XHCI interrupter */
>> +       num_hc_interrupters = 1;
>> +
>>         dwc->maximum_speed = usb_get_maximum_speed(dev);
>>         dwc->max_ssp_rate = usb_get_maximum_ssp_rate(dev);
>>         dwc->dr_mode = usb_get_dr_mode(dev);
>> @@ -1511,6 +1515,12 @@ static void dwc3_get_properties(struct dwc3 *dwc)
>>                                 &tx_thr_num_pkt_prd);
>>         device_property_read_u8(dev, "snps,tx-max-burst-prd",
>>                                 &tx_max_burst_prd);
>> +       device_property_read_u8(dev, "snps,num-hc-interrupters",
>> +                               &num_hc_interrupters);
> 
> bindings change?

Undocumented bindings change :(

Best regards,
Krzysztof