platform/chrome: cros_kbd_led_backlight: provide ID table for avoiding fallback match

Instead of using fallback driver name match, provide ID table[1] for the
primary match.

Also shrink the name for fitting to [2].

[1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353
[2]: https://elixir.bootlin.com/linux/v6.8/source/include/linux/mod_devicetable.h#L608

Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20240329075630.2069474-15-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

diff --git a/drivers/platform/chrome/cros_kbd_led_backlight.c b/drivers/platform/chrome/cros_kbd_led_backlight.c
index 793fd3f1015db015eb3cc50367bf7d1033fee454..b83e4f32862023a2ea5f4d861dfce02390574f55 100644 (file)
--- a/drivers/platform/chrome/cros_kbd_led_backlight.c
+++ b/drivers/platform/chrome/cros_kbd_led_backlight.c
@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/leds.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_data/cros_ec_commands.h>
@@ -247,17 +248,23 @@ static const struct of_device_id keyboard_led_of_match[] = {
 MODULE_DEVICE_TABLE(of, keyboard_led_of_match);
 #endif
 
+static const struct platform_device_id keyboard_led_id[] = {
+       { "cros-keyboard-leds", 0 },
+       {}
+};
+MODULE_DEVICE_TABLE(platform, keyboard_led_id);
+
 static struct platform_driver keyboard_led_driver = {
        .driver         = {
-               .name   = "chromeos-keyboard-leds",
+               .name   = "cros-keyboard-leds",
                .acpi_match_table = ACPI_PTR(keyboard_led_acpi_match),
                .of_match_table = of_match_ptr(keyboard_led_of_match),
        },
        .probe          = keyboard_led_probe,
+       .id_table       = keyboard_led_id,
 };
 module_platform_driver(keyboard_led_driver);
 
 MODULE_AUTHOR("Simon Que <sque@chromium.org>");
 MODULE_DESCRIPTION("ChromeOS Keyboard backlight LED Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:chromeos-keyboard-leds");