lkml.org 
[lkml]   [2020]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v3] of: overlay: log the error cause on resolver failure
From
Date
On 2/28/20 2:40 AM, Luca Ceresoli wrote:
> When a DT overlay has a node label that is not present in the live
> devicetree symbols table, this error is printed:
>
> OF: resolver: overlay phandle fixup failed: -22
> create_overlay: Failed to create overlay (err=-22)
>
> which does not help much in finding the node label that caused the problem
> and fix the overlay source.
>
> Add an error message with the name of the node label that caused the
> error. The new output is:
>
> OF: resolver: node label 'gpio9' not found in live devicetree symbols table
> OF: resolver: overlay phandle fixup failed: -22
> create_overlay: Failed to create overlay (err=-22)
>
> Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>

Thanks Luca, looks good.

Reviewed-by: Frank Rowand <frank.rowand@sony.com>

-Frank


>
> ---
>
> Changed in v3:
> - add only the message from v1, but as reworded by Frank
>
> Changed in v2:
> - add a message for each error path that does not have one yet
> ---
> drivers/of/resolver.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
> index 83c766233181..b278ab4338ce 100644
> --- a/drivers/of/resolver.c
> +++ b/drivers/of/resolver.c
> @@ -321,8 +321,11 @@ int of_resolve_phandles(struct device_node *overlay)
>
> err = of_property_read_string(tree_symbols,
> prop->name, &refpath);
> - if (err)
> + if (err) {
> + pr_err("node label '%s' not found in live devicetree symbols table\n",
> + prop->name);
> goto out;
> + }
>
> refnode = of_find_node_by_path(refpath);
> if (!refnode) {
>

\
 
 \ /
  Last update: 2020-02-28 15:30    [W:2.458 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site