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charset="utf-8" Replace the direct pltfm_init function pointer in struct dwc3_xlnx with a const pointer to a new struct dwc3_xlnx_config. This groups per-platform configuration in one place and allows future patches to add platform-specific fields (e.g. tx_deemph) without growing dwc3_xlnx. While at it, switch from of_match_node() to device_get_match_data() to simplify the match data lookup. Signed-off-by: Radhey Shyam Pandey --- Changes for v2: - New patch, split from "Add Versal2 MMI USB 3.2 controller support". - Use device_get_match_data() instead of of_match_node(). --- drivers/usb/dwc3/dwc3-xilinx.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c index f41b0da5e89d..bb59b56726e7 100644 --- a/drivers/usb/dwc3/dwc3-xilinx.c +++ b/drivers/usb/dwc3/dwc3-xilinx.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -41,12 +42,18 @@ #define XLNX_USB_FPD_POWER_PRSNT 0x80 #define FPD_POWER_PRSNT_OPTION BIT(0) =20 +struct dwc3_xlnx; + +struct dwc3_xlnx_config { + int (*pltfm_init)(struct dwc3_xlnx *data); +}; + struct dwc3_xlnx { int num_clocks; struct clk_bulk_data *clks; struct device *dev; void __iomem *regs; - int (*pltfm_init)(struct dwc3_xlnx *data); + const struct dwc3_xlnx_config *dwc3_config; struct phy *usb3_phy; }; =20 @@ -241,14 +248,22 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *pr= iv_data) return ret; } =20 +static const struct dwc3_xlnx_config zynqmp_config =3D { + .pltfm_init =3D dwc3_xlnx_init_zynqmp, +}; + +static const struct dwc3_xlnx_config versal_config =3D { + .pltfm_init =3D dwc3_xlnx_init_versal, +}; + static const struct of_device_id dwc3_xlnx_of_match[] =3D { { .compatible =3D "xlnx,zynqmp-dwc3", - .data =3D &dwc3_xlnx_init_zynqmp, + .data =3D &zynqmp_config, }, { .compatible =3D "xlnx,versal-dwc3", - .data =3D &dwc3_xlnx_init_versal, + .data =3D &versal_config, }, { /* Sentinel */ } }; @@ -284,7 +299,6 @@ static int dwc3_xlnx_probe(struct platform_device *pdev) struct dwc3_xlnx *priv_data; struct device *dev =3D &pdev->dev; struct device_node *np =3D dev->of_node; - const struct of_device_id *match; void __iomem *regs; int ret; =20 @@ -296,9 +310,7 @@ static int dwc3_xlnx_probe(struct platform_device *pdev) if (IS_ERR(regs)) return dev_err_probe(dev, PTR_ERR(regs), "failed to map registers\n"); =20 - match =3D of_match_node(dwc3_xlnx_of_match, pdev->dev.of_node); - - priv_data->pltfm_init =3D match->data; + priv_data->dwc3_config =3D device_get_match_data(dev); priv_data->regs =3D regs; priv_data->dev =3D dev; =20 @@ -314,7 +326,7 @@ static int dwc3_xlnx_probe(struct platform_device *pdev) if (ret) return ret; =20 - ret =3D priv_data->pltfm_init(priv_data); + ret =3D priv_data->dwc3_config->pltfm_init(priv_data); if (ret) goto err_clk_put; =20 --=20 2.43.0