You can use the name of an already defined partition
(i.e. hardcoded in board specific files) without specifying
size and offset that are automatically obtained

i.e.

$ addpart /dev/nor0 (self)
$ addpart /dev/nor0 (env0)

Signed-off-by: Carlo Caione <carlo.cai...@gmail.com>
---
 commands/partition.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/commands/partition.c b/commands/partition.c
index fdd6041..8cb50ca 100644
--- a/commands/partition.c
+++ b/commands/partition.c
@@ -53,6 +53,7 @@ static int mtd_part_do_parse_one(char *devname, const char 
*partstr,
        char buf[PATH_MAX] = {};
        unsigned long flags = 0;
        int ret;
+       struct cdev *cdev;
 
        memset(buf, 0, PATH_MAX);
 
@@ -63,7 +64,7 @@ static int mtd_part_do_parse_one(char *devname, const char 
*partstr,
                size = strtoul_suffix(partstr, &end, 0);
        }
 
-       if (*end == '@')
+       if ((*end == '@') && (size != 0))
                *offset = strtoul_suffix(end+1, &end, 0);
 
        if (size == SIZE_REMAINING)
@@ -78,6 +79,18 @@ static int mtd_part_do_parse_one(char *devname, const char 
*partstr,
                        printf("could not find matching ')'\n");
                        return -EINVAL;
                }
+               memcpy(buf, partstr, end - partstr);
+
+               if (size == 0) {
+                       cdev = cdev_by_name(buf);
+                       if (!cdev) {
+                               printf("%s: partition not found\n", buf);
+                               return -EINVAL;
+                       }
+
+                       size = cdev->size;
+                       *offset = cdev->offset;
+               }
 
                if (pflags & PART_ADD_DEVNAME)
                        sprintf(buf, "%s.", devname);
-- 
1.8.1.3


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