gpio: cros-ec: provide ID table for avoiding fallback match

Instead of using fallback driver name match, provide ID table[1] for the
primary match.  Also allow automatic module loading by adding
MODULE_DEVICE_TABLE().

[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 <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-cros-ec.c b/drivers/gpio/gpio-cros-ec.c
index 842e1c060414423c031da13fc628d02028580950..0c09bb54dc0c9e68acd03529621090006b83288c 100644 (file)
--- a/drivers/gpio/gpio-cros-ec.c
+++ b/drivers/gpio/gpio-cros-ec.c
@@ -12,6 +12,7 @@
 #include <linux/errno.h>
 #include <linux/gpio/driver.h>
 #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>
@@ -197,11 +198,18 @@ static int cros_ec_gpio_probe(struct platform_device *pdev)
        return devm_gpiochip_add_data(dev, gc, cros_ec);
 }
 
+static const struct platform_device_id cros_ec_gpio_id[] = {
+       { "cros-ec-gpio", 0 },
+       {}
+};
+MODULE_DEVICE_TABLE(platform, cros_ec_gpio_id);
+
 static struct platform_driver cros_ec_gpio_driver = {
        .probe = cros_ec_gpio_probe,
        .driver = {
                .name = "cros-ec-gpio",
        },
+       .id_table = cros_ec_gpio_id,
 };
 module_platform_driver(cros_ec_gpio_driver);