The driver can match by multiple methods. Its of_device_id table is referenced via of_match_ptr() so it will be unused for !CONFIG_OF builds:
sound/soc/codecs/da7218.c:2281:34: warning: ‘da7218_of_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/codecs/da7218.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c index 6d78bccb55c3..2bfafbe9e3dc 100644 --- a/sound/soc/codecs/da7218.c +++ b/sound/soc/codecs/da7218.c @@ -2278,12 +2278,14 @@ static irqreturn_t da7218_irq_thread(int irq, void *data) * DT */
+#ifdef CONFIG_OF static const struct of_device_id da7218_of_match[] = { { .compatible = "dlg,da7217", .data = (void *) DA7217_DEV_ID }, { .compatible = "dlg,da7218", .data = (void *) DA7218_DEV_ID }, { } }; MODULE_DEVICE_TABLE(of, da7218_of_match); +#endif
static inline int da7218_of_get_id(struct device *dev) {