SPEAr3xx: Replace printk() with pr_*()

For better print logs/messages, it is advisable to use pr_*() routines instead
of directly calling printks. This patch removes direct calling of printks for
spear3xx.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
index febaa6f..b7c2876 100644
--- a/arch/arm/mach-spear3xx/spear310.c
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -11,6 +11,8 @@
  * warranty of any kind, whether express or implied.
  */
 
+#define pr_fmt(fmt) "SPEAr310: " fmt
+
 #include <linux/ptrace.h>
 #include <asm/irq.h>
 #include <plat/shirq.h>
@@ -274,25 +276,25 @@
 		shirq_ras1.regs.base = base;
 		ret = spear_shirq_register(&shirq_ras1);
 		if (ret)
-			printk(KERN_ERR "Error registering Shared IRQ 1\n");
+			pr_err("Error registering Shared IRQ 1\n");
 
 		/* shirq 2 */
 		shirq_ras2.regs.base = base;
 		ret = spear_shirq_register(&shirq_ras2);
 		if (ret)
-			printk(KERN_ERR "Error registering Shared IRQ 2\n");
+			pr_err("Error registering Shared IRQ 2\n");
 
 		/* shirq 3 */
 		shirq_ras3.regs.base = base;
 		ret = spear_shirq_register(&shirq_ras3);
 		if (ret)
-			printk(KERN_ERR "Error registering Shared IRQ 3\n");
+			pr_err("Error registering Shared IRQ 3\n");
 
 		/* shirq 4 */
 		shirq_intrcomm_ras.regs.base = base;
 		ret = spear_shirq_register(&shirq_intrcomm_ras);
 		if (ret)
-			printk(KERN_ERR "Error registering Shared IRQ 4\n");
+			pr_err("Error registering Shared IRQ 4\n");
 	}
 
 	/* pmx initialization */
@@ -303,6 +305,5 @@
 
 	ret = pmx_register(&pmx_driver);
 	if (ret)
-		printk(KERN_ERR "padmux: registration failed. err no: %d\n",
-				ret);
+		pr_err("padmux: registration failed. err no: %d\n", ret);
 }