greybus: raw: use hexadecimal notation for request types

Use hexadecimal notation for request types in log messages.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/raw.c

@@ -97,7 +97,7 @@ static int gb_raw_request_handler(struct gb_operation *op)
 	u32 len;
 
 	if (op->type != GB_RAW_TYPE_SEND) {
-		dev_err(dev, "unknown request type %d\n", op->type);
+		dev_err(dev, "unknown request type 0x%02x\n", op->type);
 		return -EINVAL;
 	}