[media] v4l: omap4iss: Replace printk by dev_err

dev_err is preferred over printk(KERN_ERR) when a device pointer is
available.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/staging/media/omap4iss/iss.c

@@ -1108,7 +1108,7 @@ static int iss_register_entities(struct iss_device *iss)
 	iss->media_dev.link_notify = iss_pipeline_link_notify;
 	ret = media_device_register(&iss->media_dev);
 	if (ret < 0) {
-		printk(KERN_ERR "%s: Media device registration failed (%d)\n",
+		dev_err(iss->dev, "%s: Media device registration failed (%d)\n",
 			__func__, ret);
 		return ret;
 	}
@@ -1116,7 +1116,7 @@ static int iss_register_entities(struct iss_device *iss)
 	iss->v4l2_dev.mdev = &iss->media_dev;
 	ret = v4l2_device_register(iss->dev, &iss->v4l2_dev);
 	if (ret < 0) {
-		printk(KERN_ERR "%s: V4L2 device registration failed (%d)\n",
+		dev_err(iss->dev, "%s: V4L2 device registration failed (%d)\n",
 			__func__, ret);
 		goto done;
 	}
@@ -1175,7 +1175,7 @@ static int iss_register_entities(struct iss_device *iss)
 			break;
 
 		default:
-			printk(KERN_ERR "%s: invalid interface type %u\n",
+			dev_err(iss->dev, "%s: invalid interface type %u\n",
 				__func__, subdevs->interface);
 			ret = -EINVAL;
 			goto done;

drivers/staging/media/omap4iss/iss_csi2.c

@@ -517,7 +517,8 @@ int omap4iss_csi2_reset(struct iss_csi2_device *csi2)
 	} while (soft_reset_retries < 5);
 
 	if (soft_reset_retries == 5) {
-		printk(KERN_ERR "CSI2: Soft reset try count exceeded!\n");
+		dev_err(csi2->iss->dev,
+			"CSI2: Soft reset try count exceeded!\n");
 		return -EBUSY;
 	}
 
@@ -535,7 +536,7 @@ int omap4iss_csi2_reset(struct iss_csi2_device *csi2)
 	} while (--i > 0);
 
 	if (i == 0) {
-		printk(KERN_ERR
+		dev_err(csi2->iss->dev,
 			"CSI2: Reset for CSI2_96M_FCLK domain Failed!\n");
 		return -EBUSY;
 	}

drivers/staging/media/omap4iss/iss_csiphy.c

@@ -78,7 +78,7 @@ static int csiphy_set_power(struct iss_csiphy *phy, u32 power)
 	} while ((reg != power >> 2) && (retry_count < 250));
 
 	if (retry_count == 250) {
-		printk(KERN_ERR "CSI2 CIO set power failed!\n");
+		dev_err(phy->iss->dev, "CSI2 CIO set power failed!\n");
 		return -EBUSY;
 	}
 

drivers/staging/media/omap4iss/iss_video.c

@@ -1116,7 +1116,8 @@ int omap4iss_video_register(struct iss_video *video, struct v4l2_device *vdev)
 
 	ret = video_register_device(&video->video, VFL_TYPE_GRABBER, -1);
 	if (ret < 0)
-		printk(KERN_ERR "%s: could not register video device (%d)\n",
+		dev_err(video->iss->dev,
+			"%s: could not register video device (%d)\n",
 			__func__, ret);
 
 	return ret;