[PATCH AUTOSEL 6.8 10/14] platform/chrome: cros_usbpd_logger: provide ID table for avoiding fallback match

Sasha Levin
2024-05-26T09:42:40Z

From: Tzung-Bi Shih <tzungbi@kernel.org>

[ Upstream commit e0e59c5335a0a038058a080474c34fe04debff33 ]

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/20240329075630.2069474-7-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/platform/chrome/cros_usbpd_logger.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/chrome/cros_usbpd_logger.c b/drivers/platform/chrome/cros_usbpd_logger.c
index f618757f8b321..930c2f47269f6 100644
--- a/drivers/platform/chrome/cros_usbpd_logger.c
+++ b/drivers/platform/chrome/cros_usbpd_logger.c
@@ -7,6 +7,7 @@

#include <linux/ktime.h>
#include <linux/math64.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>
@@ -249,6 +250,12 @@ static int __maybe_unused cros_usbpd_logger_suspend(struct device *dev)
static SIMPLE_DEV_PM_OPS(cros_usbpd_logger_pm_ops, cros_usbpd_logger_suspend,
cros_usbpd_logger_resume);

+static const struct platform_device_id cros_usbpd_logger_id[] = {
+ { DRV_NAME, 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(platform, cros_usbpd_logger_id);
+
static struct platform_driver cros_usbpd_logger_driver = {
.driver = {
.name = DRV_NAME,
@@ -256,10 +263,10 @@ static struct platform_driver cros_usbpd_logger_driver = {
},
.probe = cros_usbpd_logger_probe,
.remove_new = cros_usbpd_logger_remove,
+ .id_table = cros_usbpd_logger_id,
};

module_platform_driver(cros_usbpd_logger_driver);

MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Logging driver for ChromeOS EC USBPD Charger.");
-MODULE_ALIAS("platform:" DRV_NAME);
--
2.43.0