usb: ehci-st: Use devm_platform_get_and_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Link: https://lore.kernel.org/r/20230726113816.888-28-frank.li@vivo.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-st.c

@@ -158,11 +158,6 @@ static int st_ehci_platform_probe(struct platform_device *dev)
 	irq = platform_get_irq(dev, 0);
 	if (irq < 0)
 		return irq;
-	res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
-	if (!res_mem) {
-		dev_err(&dev->dev, "no memory resource provided");
-		return -ENXIO;
-	}
 
 	hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev,
 			     dev_name(&dev->dev));
@@ -222,14 +217,13 @@ static int st_ehci_platform_probe(struct platform_device *dev)
 			goto err_put_clks;
 	}
 
-	hcd->rsrc_start = res_mem->start;
-	hcd->rsrc_len = resource_size(res_mem);
-
-	hcd->regs = devm_ioremap_resource(&dev->dev, res_mem);
+	hcd->regs = devm_platform_get_and_ioremap_resource(dev, 0, &res_mem);
 	if (IS_ERR(hcd->regs)) {
 		err = PTR_ERR(hcd->regs);
 		goto err_put_clks;
 	}
+	hcd->rsrc_start = res_mem->start;
+	hcd->rsrc_len = resource_size(res_mem);
 
 	err = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (err)