powerpc/ps3: Warn on PS3 device errors

To aid debugging PS3 boot problems change the log level
of several PS3 device errors from pr_debug to pr_warn.

Signed-off-by: Geoff Levand <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/powerpc/platforms/ps3/system-bus.c

···
 	result = lv1_open_device(dev->bus_id, dev->dev_id, 0);
 
 	if (result) {
-		pr_debug("%s:%d: lv1_open_device failed: %s\n", __func__,
-			__LINE__, ps3_result(result));
-			result = -EPERM;
+		pr_warn("%s:%d: lv1_open_device dev=%u.%u(%s) failed: %s\n",
+			__func__, __LINE__, dev->match_id, dev->match_sub_id,
+			dev_name(&dev->core), ps3_result(result));
+		result = -EPERM;
 	}
 
 done:
···
 	result = lv1_gpu_open(0);
 
 	if (result) {
-		pr_debug("%s:%d: lv1_gpu_open failed: %s\n", __func__,
+		pr_warn("%s:%d: lv1_gpu_open failed: %s\n", __func__,
 			__LINE__, ps3_result(result));
 			result = -EPERM;
 	}

drivers/ps3/ps3-vuart.c

···
 		ps3_mm_phys_to_lpar(__pa(buf)), bytes, bytes_written);
 
 	if (result) {
-		dev_dbg(&dev->core, "%s:%d: lv1_write_virtual_uart failed: "
+		dev_warn(&dev->core, "%s:%d: lv1_write_virtual_uart failed: "
 			"%s\n", __func__, __LINE__, ps3_result(result));
 		return result;
 	}

drivers/ps3/ps3av.c

···
 	/* send pkt */
 	res = ps3av_vuart_write(ps3av->dev, send_buf, write_len);
 	if (res < 0) {
-		dev_dbg(&ps3av->dev->core,
-			"%s: ps3av_vuart_write() failed (result=%d)\n",
-			__func__, res);
+		dev_warn(&ps3av->dev->core,
+			"%s:%d: ps3av_vuart_write() failed: %s\n", __func__,
+			__LINE__, ps3_result(res));
 		return res;
 	}
 
···
 		res = ps3av_vuart_read(ps3av->dev, recv_buf, PS3AV_HDR_SIZE,
 				       timeout);
 		if (res != PS3AV_HDR_SIZE) {
-			dev_dbg(&ps3av->dev->core,
-				"%s: ps3av_vuart_read() failed (result=%d)\n",
-				__func__, res);
+			dev_warn(&ps3av->dev->core,
+				"%s:%d: ps3av_vuart_read() failed: %s\n", __func__,
+				__LINE__, ps3_result(res));
 			return res;
 		}
 
···
 		res = ps3av_vuart_read(ps3av->dev, &recv_buf->cid,
 				       recv_buf->size, timeout);
 		if (res < 0) {
-			dev_dbg(&ps3av->dev->core,
-				"%s: ps3av_vuart_read() failed (result=%d)\n",
-				__func__, res);
+			dev_warn(&ps3av->dev->core,
+				"%s:%d: ps3av_vuart_read() failed: %s\n", __func__,
+				__LINE__, ps3_result(res));
 			return res;
 		}
 		res += PS3AV_HDR_SIZE;	/* total len */
···
 	} while (event);
 
 	if ((cmd | PS3AV_REPLY_BIT) != recv_buf->cid) {
-		dev_dbg(&ps3av->dev->core, "%s: reply err (result=%x)\n",
-			__func__, recv_buf->cid);
+		dev_warn(&ps3av->dev->core, "%s:%d: reply err: %x\n", __func__,
+			__LINE__, recv_buf->cid);
 		return -EINVAL;
 	}