scsi: document return values of public functions

Add Return: documentation for some public functions in scsi.h that were
missing it.

Signed-off-by: David Lechner <dlechner@baylibre.com>

diff --git a/include/scsi.h b/include/scsi.h
index 8d6c5116419370cccd2a76d4cc3af6cfbede7fe7..c244120c28395006749adc17b5056d654f0c08c2 100644 (file)
--- a/include/scsi.h
+++ b/include/scsi.h
@@ -340,6 +340,7 @@ int scsi_bus_reset(struct udevice *dev);
  * scsi_scan() - Scan all SCSI controllers for available devices
  *
  * @vebose: true to show information about each device found
+ * Return: 0 if OK, -ve on error
  */
 int scsi_scan(bool verbose);
 
@@ -348,6 +349,7 @@ int scsi_scan(bool verbose);
  *
  * @dev:       SCSI bus
  * @verbose:   true to show information about each device found
+ * Return: 0 if OK, -ve on error
  */
 int scsi_scan_dev(struct udevice *dev, bool verbose);
 
@@ -357,6 +359,7 @@ int scsi_scan_dev(struct udevice *dev, bool verbose);
  * @uuid:              UUID of the partition for fetching its info
  * @blk_desc_ptr:      Provides the blk descriptor
  * @part_info_ptr:     Provides partition info
+ * Return: 0 if OK, -ve on error
  */
 int scsi_get_blk_by_uuid(const char *uuid, struct blk_desc **blk_desc_ptr,
                         struct disk_partition *part_info_ptr);