powerpc/eeh: Replace pr_warning() with pr_warn()

pr_warn() is equal to pr_warning(), but the former is a bit more
formal according to commit fc62f2f ("kernel.h: add pr_warn for
symmetry to dev_warn, netdev_warn").

The patch replaces pr_warning() with pr_warn().

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 0401f84..4a113f3 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -50,7 +50,8 @@
 
 	/* We require OPALv3 */
 	if (!firmware_has_feature(FW_FEATURE_OPALv3)) {
-		pr_warning("%s: OPALv3 is required !\n", __func__);
+		pr_warn("%s: OPALv3 is required !\n",
+			__func__);
 		return -EINVAL;
 	}
 
@@ -304,8 +305,8 @@
 
 		max_wait -= mwait;
 		if (max_wait <= 0) {
-			pr_warning("%s: Timeout getting PE#%x's state (%d)\n",
-				   __func__, pe->addr, max_wait);
+			pr_warn("%s: Timeout getting PE#%x's state (%d)\n",
+				__func__, pe->addr, max_wait);
 			return EEH_STATE_NOT_SUPPORT;
 		}