On Sun, Apr 19, 2020 at 9:27 AM Edgar E. Iglesias
<edgar.igles...@gmail.com> wrote:
>
> From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com>
>
> Allow name wildcards in qemu_fdt_node_path(). This is useful
> to find all nodes with a given compatibility string.
>
> Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> device_tree.c | 2 +-
> include/sysemu/device_tree.h | 3 +++
> 2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/device_tree.c b/device_tree.c
> index bba6cc2164..f5b4699aed 100644
> --- a/device_tree.c
> +++ b/device_tree.c
> @@ -308,7 +308,7 @@ char **qemu_fdt_node_path(void *fdt, const char *name,
> char *compat,
> offset = len;
> break;
> }
> - if (!strcmp(iter_name, name)) {
> + if (!name || !strcmp(iter_name, name)) {
> char *path;
>
> path = g_malloc(path_len);
> diff --git a/include/sysemu/device_tree.h b/include/sysemu/device_tree.h
> index c16fd69bc0..7c53ef7634 100644
> --- a/include/sysemu/device_tree.h
> +++ b/include/sysemu/device_tree.h
> @@ -39,6 +39,9 @@ void *load_device_tree_from_sysfs(void);
> * NULL. If there is no error but no matching node was found, the
> * returned array contains a single element equal to NULL. If an error
> * was encountered when parsing the blob, the function returns NULL
> + *
> + * @name may be NULL to wildcard names and only match compatibility
> + * strings.
> */
> char **qemu_fdt_node_path(void *fdt, const char *name, char *compat,
> Error **errp);
> --
> 2.20.1
>
>
