linux-kernel - Re: [PATCH v5 09/18] usb: dwc3: qcom: Add support for usb-conn-gpio connectors

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Date:   Fri, 7 Feb 2020 12:43:15 -0800
From:   Jack Pham <jackp@...eaurora.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
        gregkh@...uxfoundation.org, balbi@...nel.org,
        bjorn.andersson@...aro.org, robh@...nel.org,
        linux-kernel@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Subject: Re: [PATCH v5 09/18] usb: dwc3: qcom: Add support for usb-conn-gpio
 connectors

Hi Bryan,

On Fri, Feb 07, 2020 at 08:16:45PM +0000, Bryan O'Donoghue wrote:
> This patch adds a routine to find a usb-conn-gpio in the main DWC3 code.
> This will be useful in a subsequent patch where we will reuse the current
> extcon VBUS notifier with usb-conn-gpio.
> 
> ---
>  drivers/usb/dwc3/dwc3-qcom.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
> index 261af9e38ddd..fc66ca3316ef 100644
> --- a/drivers/usb/dwc3/dwc3-qcom.c
> +++ b/drivers/usb/dwc3/dwc3-qcom.c
> @@ -550,6 +550,21 @@ static const struct dwc3_acpi_pdata sdm845_acpi_pdata = {
>  	.ss_phy_irq_index = 2
>  };
>  
> +static bool dwc3_qcom_find_gpio_usb_connector(struct platform_device *pdev)

Why not just squash this patch into "[PATCH v5 12/18] usb: dwc3: qcom:
Enable gpio-usb-conn based role-switching" where it is actually used?

Jack
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