watchdog: xilinx: Fix all printk messages

Use dev_ functions for printk messages.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index ac3f6eb..3b2469e 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -10,8 +10,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
 #include <linux/err.h>
 #include <linux/module.h>
 #include <linux/types.h>
@@ -41,7 +39,6 @@
 #define XWT_TIMER_FAILED            0xFFFFFFFF
 
 #define WATCHDOG_NAME     "Xilinx Watchdog"
-#define PFX WATCHDOG_NAME ": "
 
 struct xwdt_device {
 	void __iomem *base;
@@ -174,14 +171,16 @@
 					"clock-frequency", NULL);
 
 	if (pfreq == NULL) {
-		pr_warn("The watchdog clock frequency cannot be obtained!\n");
+		dev_warn(&pdev->dev,
+			 "The watchdog clock frequency cannot be obtained\n");
 		no_timeout = true;
 	}
 
 	tmptr = (u32 *)of_get_property(pdev->dev.of_node,
 					"xlnx,wdt-interval", NULL);
 	if (tmptr == NULL) {
-		pr_warn("Parameter \"xlnx,wdt-interval\" not found in device tree!\n");
+		dev_warn(&pdev->dev,
+			 "Parameter \"xlnx,wdt-interval\" not found\n");
 		no_timeout = true;
 	} else {
 		xdev->wdt_interval = *tmptr;
@@ -190,7 +189,8 @@
 	tmptr = (u32 *)of_get_property(pdev->dev.of_node,
 					"xlnx,wdt-enable-once", NULL);
 	if (tmptr == NULL) {
-		pr_warn("Parameter \"xlnx,wdt-enable-once\" not found in device tree!\n");
+		dev_warn(&pdev->dev,
+			 "Parameter \"xlnx,wdt-enable-once\" not found\n");
 		watchdog_set_nowayout(xilinx_wdt_wdd, true);
 	}
 
@@ -207,13 +207,13 @@
 
 	rc = xwdt_selftest(xdev);
 	if (rc == XWT_TIMER_FAILED) {
-		pr_err("SelfTest routine error!\n");
+		dev_err(&pdev->dev, "SelfTest routine error\n");
 		return rc;
 	}
 
 	rc = watchdog_register_device(xilinx_wdt_wdd);
 	if (rc) {
-		pr_err("cannot register watchdog (err=%d)\n", rc);
+		dev_err(&pdev->dev, "Cannot register watchdog (err=%d)\n", rc);
 		return rc;
 	}