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[12/18] platform/chrome: cros_ec_lightbar: provide ID table for avoiding fallback match

Message ID 20240329075630.2069474-13-tzungbi@kernel.org
State New
Headers show
Series platform/chrome: provide ID table for avoiding fallback match | expand

Commit Message

Tzung-Bi Shih March 29, 2024, 7:56 a.m. UTC 
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

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
---
 drivers/platform/chrome/cros_ec_lightbar.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/platform/chrome/cros_ec_lightbar.c b/drivers/platform/chrome/cros_ec_lightbar.c
index 6677cc6c4984..1e69f61115a4 100644
--- 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);