platform/chrome: cros_ec_chardev: 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: Benson Leung <bleung@chromium.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240329075630.2069474-9-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

diff --git a/drivers/platform/chrome/cros_ec_chardev.c b/drivers/platform/chrome/cros_ec_chardev.c
index 81950bb2c6dada70ea5b088b73f780cf3a9e39c8..7f034ead7ae47c248e678c0c64fb3e2d44fcc28e 100644 (file)
--- a/drivers/platform/chrome/cros_ec_chardev.c
+++ b/drivers/platform/chrome/cros_ec_chardev.c
@@ -14,6 +14,7 @@
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/miscdevice.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/notifier.h>
 #include <linux/platform_data/cros_ec_chardev.h>
@@ -403,17 +404,23 @@ static void cros_ec_chardev_remove(struct platform_device *pdev)
        misc_deregister(&data->misc);
 }
 
+static const struct platform_device_id cros_ec_chardev_id[] = {
+       { DRV_NAME, 0 },
+       {}
+};
+MODULE_DEVICE_TABLE(platform, cros_ec_chardev_id);
+
 static struct platform_driver cros_ec_chardev_driver = {
        .driver = {
                .name = DRV_NAME,
        },
        .probe = cros_ec_chardev_probe,
        .remove_new = cros_ec_chardev_remove,
+       .id_table = cros_ec_chardev_id,
 };
 
 module_platform_driver(cros_ec_chardev_driver);
 
-MODULE_ALIAS("platform:" DRV_NAME);
 MODULE_AUTHOR("Enric Balletbo i Serra <enric.balletbo@collabora.com>");
 MODULE_DESCRIPTION("ChromeOS EC Miscellaneous Character Driver");
 MODULE_LICENSE("GPL");