[PATCH v2 02/11] of: overlay: add of.overlay.fitconfigpattern param

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Add the a parameter which will be used by image-fit to decide if a
config node belongs to a devicetree-overlay.

Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
---
 drivers/of/overlay.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 73c7a91db9b5..20e12211d63f 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -394,6 +394,7 @@ int of_register_overlay(struct device_node *overlay)
 	return of_register_fixup(of_overlay_fixup, overlay);
 }
 
+static char *of_overlay_fitconfigpattern;
 static char *of_overlay_filepattern;
 static char *of_overlay_dir;
 static char *of_overlay_basedir;
@@ -584,6 +585,7 @@ static struct of_overlay_filter of_overlay_compatible_filter = {
 
 static int of_overlay_init(void)
 {
+	of_overlay_fitconfigpattern = strdup("*.dtbo");
 	of_overlay_filepattern = strdup("*");
 	of_overlay_filter = strdup("filepattern compatible");
 	of_overlay_set_basedir("/");
@@ -592,6 +594,7 @@ static int of_overlay_init(void)
 	globalvar_add_simple_string("of.overlay.filepattern", &of_overlay_filepattern);
 	globalvar_add_simple_string("of.overlay.filter", &of_overlay_filter);
 	globalvar_add_simple_string("of.overlay.dir", &of_overlay_dir);
+	globalvar_add_simple_string("of.overlay.fitconfigpattern", &of_overlay_fitconfigpattern);
 
 	of_overlay_register_filter(&of_overlay_filepattern_filter);
 	of_overlay_register_filter(&of_overlay_compatible_filter);
@@ -606,3 +609,4 @@ BAREBOX_MAGICVAR(global.of.overlay.compatible, "space separated list of compatib
 BAREBOX_MAGICVAR(global.of.overlay.filepattern, "space separated list of filepatterns an overlay must match");
 BAREBOX_MAGICVAR(global.of.overlay.dir, "Directory to look for dt overlays");
 BAREBOX_MAGICVAR(global.of.overlay.filter, "space separated list of filters");
+BAREBOX_MAGICVAR(global.of.overlay.fitconfigpattern, "FIT config node name pattern to look for dt overlays");
-- 
2.39.2





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