platform/chrome: cros_ec_sysfs: provide ID table for avoiding fallback match
authorTzung-Bi Shih <tzungbi@kernel.org>
Fri, 29 Mar 2024 07:56:22 +0000 (15:56 +0800)
committerTzung-Bi Shih <tzungbi@kernel.org>
Wed, 24 Apr 2024 08:45:57 +0000 (16:45 +0800)
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/20240329075630.2069474-11-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
drivers/platform/chrome/cros_ec_sysfs.c

index 93e67ab4af06a52f37bcd054fe2dccf8593f5e34..9c944146ee507d6a120967a1b18b09b36aa09d81 100644 (file)
@@ -8,6 +8,7 @@
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/kobject.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>
@@ -347,16 +348,22 @@ static void cros_ec_sysfs_remove(struct platform_device *pd)
        sysfs_remove_group(&ec_dev->class_dev.kobj, &cros_ec_attr_group);
 }
 
+static const struct platform_device_id cros_ec_sysfs_id[] = {
+       { DRV_NAME, 0 },
+       {}
+};
+MODULE_DEVICE_TABLE(platform, cros_ec_sysfs_id);
+
 static struct platform_driver cros_ec_sysfs_driver = {
        .driver = {
                .name = DRV_NAME,
        },
        .probe = cros_ec_sysfs_probe,
        .remove_new = cros_ec_sysfs_remove,
+       .id_table = cros_ec_sysfs_id,
 };
 
 module_platform_driver(cros_ec_sysfs_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Expose the ChromeOS EC through sysfs");
-MODULE_ALIAS("platform:" DRV_NAME);