[PATCH 1/5] usb: dwc3: xilinx: use device_get_match_data() in probe

[Radhey Shyam Pandey]

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