Re: [PATCH 1/5] usb: dwc3: xilinx: use device_get_match_data() in probe
From: Thinh Nguyen
Date: Tue Aug 25 2026 - 21:33:36 EST
On Mon, Aug 10, 2026, Radhey Shyam Pandey wrote:
> Use device_get_match_data() to obtain the platform init callback from
> the OF match table instead of calling of_match_node() and dereferencing
> match->data directly.
>
> Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxx>
> ---
> drivers/usb/dwc3/dwc3-xilinx.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c
> index b832505e1b04..1a8619854d6d 100644
> --- a/drivers/usb/dwc3/dwc3-xilinx.c
> +++ b/drivers/usb/dwc3/dwc3-xilinx.c
> @@ -12,6 +12,7 @@
> #include <linux/clk.h>
> #include <linux/of.h>
> #include <linux/platform_device.h>
> +#include <linux/property.h>
> #include <linux/dma-mapping.h>
> #include <linux/gpio/consumer.h>
> #include <linux/of_platform.h>
> @@ -279,7 +280,6 @@ static int dwc3_xlnx_probe(struct platform_device *pdev)
> struct dwc3_xlnx *priv_data;
> struct device *dev = &pdev->dev;
> struct device_node *np = dev->of_node;
> - const struct of_device_id *match;
> void __iomem *regs;
> int ret;
>
> @@ -291,9 +291,11 @@ 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");
>
> - match = of_match_node(dwc3_xlnx_of_match, pdev->dev.of_node);
> + priv_data->pltfm_init = device_get_match_data(dev);
> + if (!priv_data->pltfm_init)
> + return dev_err_probe(dev, -ENODEV,
> + "missing platform init handler\n");
>
> - priv_data->pltfm_init = match->data;
> priv_data->regs = regs;
> priv_data->dev = dev;
>
> --
> 2.43.0
>
Acked-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx>
Thanks,
Thinh