From 61c86d14745ddda7fe9778862fa705da9c711429 Mon Sep 17 00:00:00 2001
From: Tzung-Bi Shih <tzungbi@kernel.org>
Date: Fri, 29 Mar 2024 15:56:15 +0800
Subject: [PATCH] rtc: cros-ec: 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

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240329075630.2069474-4-tzungbi@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
 drivers/rtc/rtc-cros-ec.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-cros-ec.c b/drivers/rtc/rtc-cros-ec.c
index 0cd397c04ff0..f57462c7b2c6 100644
--- a/drivers/rtc/rtc-cros-ec.c
+++ b/drivers/rtc/rtc-cros-ec.c
@@ -5,6 +5,7 @@
 // Author: Stephen Barber <smbarber@chromium.org>
 
 #include <linux/kernel.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>
@@ -392,6 +393,12 @@ static void cros_ec_rtc_remove(struct platform_device *pdev)
 		dev_err(dev, "failed to unregister notifier\n");
 }
 
+static const struct platform_device_id cros_ec_rtc_id[] = {
+	{ DRV_NAME, 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(platform, cros_ec_rtc_id);
+
 static struct platform_driver cros_ec_rtc_driver = {
 	.probe = cros_ec_rtc_probe,
 	.remove_new = cros_ec_rtc_remove,
@@ -399,6 +406,7 @@ static struct platform_driver cros_ec_rtc_driver = {
 		.name = DRV_NAME,
 		.pm = &cros_ec_rtc_pm_ops,
 	},
+	.id_table = cros_ec_rtc_id,
 };
 
 module_platform_driver(cros_ec_rtc_driver);
@@ -406,4 +414,3 @@ module_platform_driver(cros_ec_rtc_driver);
 MODULE_DESCRIPTION("RTC driver for Chrome OS ECs");
 MODULE_AUTHOR("Stephen Barber <smbarber@chromium.org>");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" DRV_NAME);