init/do_mounts: better syntax description

Specify hex device number unambiquously.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 2 insertions, 1 deletions

diff --git a/init/do_mounts.c b/init/do_mounts.c
index 82f22885c87e..9b3565c41502 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -182,7 +182,8 @@ done:
 /*
  *      Convert a name into device number.  We accept the following variants:
  *
- *      1) device number in hexadecimal represents itself
+ *      1) <hex_major><hex_minor> device number in hexadecimal represents itself
+ *         no leading 0x, for example b302.
  *      2) /dev/nfs represents Root_NFS (0xff)
  *      3) /dev/<disk_name> represents the device number of disk
  *      4) /dev/<disk_name><decimal> represents the device number