platform/chrome: cros_ec_lightbar: provide ID table for avoiding fallback match

Instead of using fallback driver name match, provide ID table[1] for the
primary match.

[1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20240329075630.2069474-13-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

diff --git a/drivers/platform/chrome/cros_ec_lightbar.c b/drivers/platform/chrome/cros_ec_lightbar.c
index 6677cc6c4984b5d0b0118874b0146134f861229b..1e69f61115a4d054abea36235035e0ce62210998 100644 (file)
--- a/drivers/platform/chrome/cros_ec_lightbar.c
+++ b/drivers/platform/chrome/cros_ec_lightbar.c
@@ -9,6 +9,7 @@
 #include <linux/fs.h>
 #include <linux/kobject.h>
 #include <linux/kstrtox.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/platform_data/cros_ec_commands.h>
 #include <linux/platform_data/cros_ec_proto.h>
@@ -594,6 +595,12 @@ static int __maybe_unused cros_ec_lightbar_suspend(struct device *dev)
 static SIMPLE_DEV_PM_OPS(cros_ec_lightbar_pm_ops,
                         cros_ec_lightbar_suspend, cros_ec_lightbar_resume);
 
+static const struct platform_device_id cros_ec_lightbar_id[] = {
+       { DRV_NAME, 0 },
+       {}
+};
+MODULE_DEVICE_TABLE(platform, cros_ec_lightbar_id);
+
 static struct platform_driver cros_ec_lightbar_driver = {
        .driver = {
                .name = DRV_NAME,
@@ -602,10 +609,10 @@ static struct platform_driver cros_ec_lightbar_driver = {
        },
        .probe = cros_ec_lightbar_probe,
        .remove_new = cros_ec_lightbar_remove,
+       .id_table = cros_ec_lightbar_id,
 };
 
 module_platform_driver(cros_ec_lightbar_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Expose the Chromebook Pixel's lightbar to userspace");
-MODULE_ALIAS("platform:" DRV_NAME);