linux-kernel - Re: [PATCH v4 2/4] phy: rockchip: usbdp: move orientation handling further down

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Message-ID: <e0ce89fd-456d-4ef2-bf8a-0ea0f1e646ef@linaro.org>
Date: Fri, 13 Jun 2025 10:51:33 +0200
From: neil.armstrong@...aro.org
To: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Kever Yang <kever.yang@...k-chips.com>,
 Frank Wang <frank.wang@...k-chips.com>
Cc: Alexey Charkov <alchark@...il.com>,
 Sebastian Reichel <sebastian.reichel@...labora.com>, kernel@...labora.com,
 linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/4] phy: rockchip: usbdp: move orientation handling
 further down

On 10/06/2025 16:07, Nicolas Frattaroli wrote:
> The orientation handling code isn't referenced until very far down the
> driver code.
> 
> Move it down some ways so it can later reference other driver functions
> without needing forward declarations.
> 
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
> ---
>   drivers/phy/rockchip/phy-rockchip-usbdp.c | 100 +++++++++++++++---------------
>   1 file changed, 50 insertions(+), 50 deletions(-)
> 
> diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rockchip/phy-rockchip-usbdp.c
> index c066cc0a7b4f10fc3cd8779323c369360893520d..fff54900feea601c8fe6bf4c7123dfebc5661a15 100644
> --- a/drivers/phy/rockchip/phy-rockchip-usbdp.c
> +++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c
> @@ -651,56 +651,6 @@ static void rk_udphy_set_typec_default_mapping(struct rk_udphy *udphy)
>   	udphy->mode = UDPHY_MODE_DP_USB;
>   }
>   
> -static int rk_udphy_orien_sw_set(struct typec_switch_dev *sw,
> -				 enum typec_orientation orien)
> -{
> -	struct rk_udphy *udphy = typec_switch_get_drvdata(sw);
> -
> -	mutex_lock(&udphy->mutex);
> -
> -	if (orien == TYPEC_ORIENTATION_NONE) {
> -		gpiod_set_value_cansleep(udphy->sbu1_dc_gpio, 0);
> -		gpiod_set_value_cansleep(udphy->sbu2_dc_gpio, 0);
> -		/* unattached */
> -		rk_udphy_usb_bvalid_enable(udphy, false);
> -		goto unlock_ret;
> -	}
> -
> -	udphy->flip = (orien == TYPEC_ORIENTATION_REVERSE) ? true : false;
> -	rk_udphy_set_typec_default_mapping(udphy);
> -	rk_udphy_usb_bvalid_enable(udphy, true);
> -
> -unlock_ret:
> -	mutex_unlock(&udphy->mutex);
> -	return 0;
> -}
> -
> -static void rk_udphy_orien_switch_unregister(void *data)
> -{
> -	struct rk_udphy *udphy = data;
> -
> -	typec_switch_unregister(udphy->sw);
> -}
> -
> -static int rk_udphy_setup_orien_switch(struct rk_udphy *udphy)
> -{
> -	struct typec_switch_desc sw_desc = { };
> -
> -	sw_desc.drvdata = udphy;
> -	sw_desc.fwnode = dev_fwnode(udphy->dev);
> -	sw_desc.set = rk_udphy_orien_sw_set;
> -
> -	udphy->sw = typec_switch_register(udphy->dev, &sw_desc);
> -	if (IS_ERR(udphy->sw)) {
> -		dev_err(udphy->dev, "Error register typec orientation switch: %ld\n",
> -			PTR_ERR(udphy->sw));
> -		return PTR_ERR(udphy->sw);
> -	}
> -
> -	return devm_add_action_or_reset(udphy->dev,
> -					rk_udphy_orien_switch_unregister, udphy);
> -}
> -
>   static int rk_udphy_refclk_set(struct rk_udphy *udphy)
>   {
>   	unsigned long rate;
> @@ -1451,6 +1401,56 @@ static struct phy *rk_udphy_phy_xlate(struct device *dev, const struct of_phandl
>   	return ERR_PTR(-EINVAL);
>   }
>   
> +static int rk_udphy_orien_sw_set(struct typec_switch_dev *sw,
> +				 enum typec_orientation orien)
> +{
> +	struct rk_udphy *udphy = typec_switch_get_drvdata(sw);
> +
> +	mutex_lock(&udphy->mutex);
> +
> +	if (orien == TYPEC_ORIENTATION_NONE) {
> +		gpiod_set_value_cansleep(udphy->sbu1_dc_gpio, 0);
> +		gpiod_set_value_cansleep(udphy->sbu2_dc_gpio, 0);
> +		/* unattached */
> +		rk_udphy_usb_bvalid_enable(udphy, false);
> +		goto unlock_ret;
> +	}
> +
> +	udphy->flip = (orien == TYPEC_ORIENTATION_REVERSE) ? true : false;
> +	rk_udphy_set_typec_default_mapping(udphy);
> +	rk_udphy_usb_bvalid_enable(udphy, true);
> +
> +unlock_ret:
> +	mutex_unlock(&udphy->mutex);
> +	return 0;
> +}
> +
> +static void rk_udphy_orien_switch_unregister(void *data)
> +{
> +	struct rk_udphy *udphy = data;
> +
> +	typec_switch_unregister(udphy->sw);
> +}
> +
> +static int rk_udphy_setup_orien_switch(struct rk_udphy *udphy)
> +{
> +	struct typec_switch_desc sw_desc = { };
> +
> +	sw_desc.drvdata = udphy;
> +	sw_desc.fwnode = dev_fwnode(udphy->dev);
> +	sw_desc.set = rk_udphy_orien_sw_set;
> +
> +	udphy->sw = typec_switch_register(udphy->dev, &sw_desc);
> +	if (IS_ERR(udphy->sw)) {
> +		dev_err(udphy->dev, "Error register typec orientation switch: %ld\n",
> +			PTR_ERR(udphy->sw));
> +		return PTR_ERR(udphy->sw);
> +	}
> +
> +	return devm_add_action_or_reset(udphy->dev,
> +					rk_udphy_orien_switch_unregister, udphy);
> +}
> +
>   static int rk_udphy_probe(struct platform_device *pdev)
>   {
>   	struct device *dev = &pdev->dev;
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>