Re: [PATCH 2/2] usb: phy: mxs: add DT bindings to hold data line

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On 14/06/2023 13:15, Xu Yang wrote:
> Whether the data line is disconnected when vbus is not present is related
> to whether the platform data set MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS
> flag. This will provide a override from dts node if the user want to hold
> the data line when vbus is not present.
> 
> Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx>
> ---
>  drivers/usb/phy/phy-mxs-usb.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
> index e1a2b2ea098b..036bb58a3a71 100644
> --- a/drivers/usb/phy/phy-mxs-usb.c
> +++ b/drivers/usb/phy/phy-mxs-usb.c
> @@ -199,7 +199,7 @@ MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids);
>  struct mxs_phy {
>  	struct usb_phy phy;
>  	struct clk *clk;
> -	const struct mxs_phy_data *data;
> +	struct mxs_phy_data *data;
>  	struct regmap *regmap_anatop;
>  	int port_id;
>  	u32 tx_reg_set;
> @@ -774,6 +774,11 @@ static int mxs_phy_probe(struct platform_device *pdev)
>  		mxs_phy->tx_reg_set  |= GM_USBPHY_TX_D_CAL(val);
>  	}
>  
> +	mxs_phy->data = (struct mxs_phy_data *)of_device_get_match_data(&pdev->dev);
> +
> +	if (of_property_present(np, "fsl,hold-line-without-vbus"))
> +		mxs_phy->data->flags &= ~MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS;

How did you test it? What type of memory are you modifying?

Best regards,
Krzysztof




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