video: Tidy up the check for valid fonts
Put this check into a function so we can use it elsewhere. Also drop the
macros which do the same thing but are not actually used.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/console_truetype.c b/drivers/video/console_truetype.c
index c04b449..1331ce8 100644
--- a/drivers/video/console_truetype.c
+++ b/drivers/video/console_truetype.c
@@ -526,9 +526,18 @@
{} /* sentinel */
};
-#define FONT_BEGIN(name) __ttf_ ## name ## _begin
-#define FONT_END(name) __ttf_ ## name ## _end
-#define FONT_IS_VALID(name) (abs(FONT_END(name) - FONT_BEGIN) > 4)
+/**
+ * font_valid() - Check if a font-table entry is valid
+ *
+ * Depending on available files in the build system, fonts may end up being
+ * empty.
+ *
+ * @return true if the entry is valid
+ */
+static inline bool font_valid(struct font_info *tab)
+{
+ return abs(tab->begin - tab->end) > 4;
+}
/**
* console_truetype_find_font() - Find a suitable font
@@ -542,7 +551,7 @@
struct font_info *tab;
for (tab = font_table; tab->begin; tab++) {
- if (abs(tab->begin - tab->end) > 4) {
+ if (font_valid(tab)) {
debug("%s: Font '%s', at %p, size %lx\n", __func__,
tab->name, tab->begin,
(ulong)(tab->end - tab->begin));