USB: EHCI: make ehci-platform use dev_err() instead of pr_err()

This patch converts the ehci-platform driver to make use of the dev_err()
functions instead of pr_err().

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-platform.c

@@ -98,12 +98,12 @@ static int __devinit ehci_platform_probe(struct platform_device *dev)
 
 	irq = platform_get_irq(dev, 0);
 	if (irq < 0) {
-		pr_err("no irq provided");
+		dev_err(&dev->dev, "no irq provided");
 		return irq;
 	}
 	res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	if (!res_mem) {
-		pr_err("no memory recourse provided");
+		dev_err(&dev->dev, "no memory recourse provided");
 		return -ENXIO;
 	}
 
@@ -124,7 +124,7 @@ static int __devinit ehci_platform_probe(struct platform_device *dev)
 	hcd->rsrc_len = resource_size(res_mem);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		pr_err("controller already in use");
+		dev_err(&dev->dev, "controller already in use");
 		err = -EBUSY;
 		goto err_put_hcd;
 	}