diff options
author | Marek BehĂșn <marek.behun@nic.cz> | 2021-05-26 14:08:18 +0200 |
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committer | Jagan Teki <jagan@amarulasolutions.com> | 2021-06-24 11:53:00 +0530 |
commit | 0e116bea52af1b665a656d49c328468e976be913 (patch) | |
tree | a14f4bf602e2c3251e70671a8419fab0f8139441 /drivers/core | |
parent | 31a7b719d07ccb11950f423b5f1195375109b5fa (diff) |
dm: core: add ofnode_get_path()
Add function for retrieving full node path of a given ofnode.
This uses np->full_name if OF is live, otherwise a call to
fdt_get_path() is made.
Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'drivers/core')
-rw-r--r-- | drivers/core/ofnode.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index dd34cf8ca3..eeeccfb446 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -286,6 +286,31 @@ const char *ofnode_get_name(ofnode node) return fdt_get_name(gd->fdt_blob, ofnode_to_offset(node), NULL); } +int ofnode_get_path(ofnode node, char *buf, int buflen) +{ + assert(ofnode_valid(node)); + + if (ofnode_is_np(node)) { + if (strlen(node.np->full_name) >= buflen) + return -ENOSPC; + + strcpy(buf, node.np->full_name); + + return 0; + } else { + int res; + + res = fdt_get_path(gd->fdt_blob, ofnode_to_offset(node), buf, + buflen); + if (!res) + return res; + else if (res == -FDT_ERR_NOSPACE) + return -ENOSPC; + else + return -EINVAL; + } +} + ofnode ofnode_get_by_phandle(uint phandle) { ofnode node; |