Since FIT image overlays and file/dir based overlays are supported, 'filename' based variables or function hooks are no longer sufficient.
Rename them to 'pattern' based variables or function hooks. The filter_filename function hook is still supported, to keep the backward compatibility, but marked as deprecated. Signed-off-by: Marco Felsch <[email protected]> --- drivers/of/overlay.c | 39 +++++++++++++++++++++------------------ include/of.h | 3 ++- 2 files changed, 23 insertions(+), 19 deletions(-) diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c index b15a0f1fab8f729a1ba48da8d5bd5041cd519acc..6b19c7c88ea5e99040bddca172c47251e8ddda84 100644 --- a/drivers/of/overlay.c +++ b/drivers/of/overlay.c @@ -234,12 +234,12 @@ static struct of_overlay_filter *of_overlay_find_filter(const char *name) return NULL; } -static bool of_overlay_matches_filter(const char *filename, struct device_node *ovl) +static bool of_overlay_matches_filter(const char *pattern, struct device_node *ovl) { struct of_overlay_filter *filter; char *p, *path, *n; bool apply = false; - bool have_filename_filter = false; + bool have_pattern_filter = false; bool have_content_filter = false; p = path = strdup(of_overlay_filter); @@ -256,14 +256,16 @@ static bool of_overlay_matches_filter(const char *filename, struct device_node * continue; } - if (filter->filter_filename) - have_filename_filter = true; + if (filter->filter_pattern || filter->filter_filename) + have_pattern_filter = true; if (filter->filter_content) have_content_filter = true; - if (filename) { - if (filter->filter_filename && - filter->filter_filename(filter, kbasename(filename))) + if (pattern) { + if ((filter->filter_pattern && + filter->filter_pattern(filter, kbasename(pattern))) || + (filter->filter_filename && + filter->filter_filename(filter, kbasename(pattern)))) score++; } else { score++; @@ -286,11 +288,11 @@ static bool of_overlay_matches_filter(const char *filename, struct device_node * free(path); /* No filter found at all, no match */ - if (!have_filename_filter && !have_content_filter) + if (!have_pattern_filter && !have_content_filter) return false; - /* Want to match filename, but we do not have a filename_filter */ - if (filename && !have_filename_filter) + /* Want to match pattern, but we do not have a filename_filter */ + if (pattern && !have_pattern_filter) return true; /* Want to match content, but we do not have a content_filter */ @@ -298,12 +300,12 @@ static bool of_overlay_matches_filter(const char *filename, struct device_node * return true; if (apply) - pr_debug("filename %s, overlay %p: match against filter %s\n", - filename ?: "<NONE>", + pr_debug("pattern %s, overlay %p: match against filter %s\n", + pattern ?: "<NONE>", ovl, filter->name); else - pr_debug("filename %s, overlay %p: no match\n", - filename ?: "<NONE>", ovl); + pr_debug("pattern %s, overlay %p: no match\n", + pattern ?: "<NONE>", ovl); return apply; } @@ -599,14 +601,15 @@ static int of_overlay_global_fixup(struct device_node *root, void *data) * @filter: The new filter * * Register a new overlay filter. A filter can either match on - * the filename or on the content of an overlay, but not on both. + * a pattern or on the content of an overlay, but not on both. * If that's desired two filters have to be registered. * * @return: 0 for success, negative error code otherwise */ int of_overlay_register_filter(struct of_overlay_filter *filter) { - if (filter->filter_filename && filter->filter_content) + if ((filter->filter_pattern || filter->filter_filename) && + filter->filter_content) return -EINVAL; list_add_tail(&filter->list, &of_overlay_filters); @@ -656,7 +659,7 @@ static bool of_overlay_filter_pattern(struct of_overlay_filter *f, static struct of_overlay_filter of_overlay_pattern_filter = { .name = "pattern", - .filter_filename = of_overlay_filter_pattern, + .filter_pattern = of_overlay_filter_pattern, }; static bool of_overlay_filter_filename(struct of_overlay_filter *f, @@ -668,7 +671,7 @@ static bool of_overlay_filter_filename(struct of_overlay_filter *f, static struct of_overlay_filter of_overlay_filepattern_filter = { .name = "filepattern", - .filter_filename = of_overlay_filter_filename, + .filter_pattern = of_overlay_filter_filename, }; /** diff --git a/include/of.h b/include/of.h index 2258cd501b727797ac00fc4cce1a6fdcfc529d44..1c7c0c867700fcf1aa2316ed1e1702b93aa13011 100644 --- a/include/of.h +++ b/include/of.h @@ -1384,7 +1384,8 @@ static inline struct device_node *of_dup_root_node_for_boot(void) } struct of_overlay_filter { - bool (*filter_filename)(struct of_overlay_filter *, const char *filename); + bool (*filter_filename)(struct of_overlay_filter *, const char *filename); /* deprecated */ + bool (*filter_pattern)(struct of_overlay_filter *, const char *pattern); bool (*filter_content)(struct of_overlay_filter *, struct device_node *); const char *name; struct list_head list; -- 2.39.5
