From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
SPI devices use the spi_device_id for module autoloading even on
systems using device tree, after commit 5fa6863ba692 ("spi: Check
we have a spi_device_id for each DT compatible"), kernel warns as
follows since the spi_device_id is missing:
SPI driver ws2401-panel has no spi_device_id for samsung,lms380kf01
Add spi_device_id entries to silence the warning, and ensure driver
module autoloading works.
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-widechips-ws2401.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-widechips-ws2401.c b/drivers/gpu/drm/panel/panel-widechips-ws2401.c
index 236f3cb2b594..436ba96befb7 100644
--- a/drivers/gpu/drm/panel/panel-widechips-ws2401.c
+++ b/drivers/gpu/drm/panel/panel-widechips-ws2401.c
@@ -425,9 +425,16 @@ static const struct of_device_id ws2401_match[] = {
};
MODULE_DEVICE_TABLE(of, ws2401_match);
+static const struct spi_device_id ws2401_ids[] = {
+ { "lms380kf01" },
+ {},
+};
+MODULE_DEVICE_TABLE(spi, ws2401_ids);
+
static struct spi_driver ws2401_driver = {
.probe = ws2401_probe,
.remove = ws2401_remove,
+ .id_table = ws2401_ids,
.driver = {
.name = "ws2401-panel",
.of_match_table = ws2401_match,
--
2.34.1
