diff mbox series

[16/18] platform/chrome: wilco_ec: debugfs: provide ID table for avoiding fallback match

Message ID 20240329075630.2069474-17-tzungbi@kernel.org
State New
Headers show
Series platform/chrome: provide ID table for avoiding fallback match | expand

Commit Message

Tzung-Bi Shih March 29, 2024, 7:56 a.m. UTC
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>
---
 drivers/platform/chrome/wilco_ec/debugfs.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Comments

Benson Leung March 29, 2024, 8:21 p.m. UTC | #1
On Fri, Mar 29, 2024 at 03:56:28PM +0800, Tzung-Bi Shih wrote:
> 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: Benson Leung <bleung@chromium.org>

> ---
>  drivers/platform/chrome/wilco_ec/debugfs.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/chrome/wilco_ec/debugfs.c b/drivers/platform/chrome/wilco_ec/debugfs.c
> index 93c11f81ca45..983f2fa44ba5 100644
> --- a/drivers/platform/chrome/wilco_ec/debugfs.c
> +++ b/drivers/platform/chrome/wilco_ec/debugfs.c
> @@ -10,6 +10,7 @@
>  #include <linux/ctype.h>
>  #include <linux/debugfs.h>
>  #include <linux/fs.h>
> +#include <linux/mod_devicetable.h>
>  #include <linux/module.h>
>  #include <linux/platform_data/wilco-ec.h>
>  #include <linux/platform_device.h>
> @@ -265,17 +266,23 @@ static void wilco_ec_debugfs_remove(struct platform_device *pdev)
>  	debugfs_remove_recursive(debug_info->dir);
>  }
>  
> +static const struct platform_device_id wilco_ec_debugfs_id[] = {
> +	{ DRV_NAME, 0 },
> +	{}
> +};
> +MODULE_DEVICE_TABLE(platform, wilco_ec_debugfs_id);
> +
>  static struct platform_driver wilco_ec_debugfs_driver = {
>  	.driver = {
>  		.name = DRV_NAME,
>  	},
>  	.probe = wilco_ec_debugfs_probe,
>  	.remove_new = wilco_ec_debugfs_remove,
> +	.id_table = wilco_ec_debugfs_id,
>  };
>  
>  module_platform_driver(wilco_ec_debugfs_driver);
>  
> -MODULE_ALIAS("platform:" DRV_NAME);
>  MODULE_AUTHOR("Nick Crews <ncrews@chromium.org>");
>  MODULE_LICENSE("GPL v2");
>  MODULE_DESCRIPTION("Wilco EC debugfs driver");
> -- 
> 2.44.0.478.gd926399ef9-goog
>
diff mbox series

Patch

diff --git a/drivers/platform/chrome/wilco_ec/debugfs.c b/drivers/platform/chrome/wilco_ec/debugfs.c
index 93c11f81ca45..983f2fa44ba5 100644
--- a/drivers/platform/chrome/wilco_ec/debugfs.c
+++ b/drivers/platform/chrome/wilco_ec/debugfs.c
@@ -10,6 +10,7 @@ 
 #include <linux/ctype.h>
 #include <linux/debugfs.h>
 #include <linux/fs.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/platform_data/wilco-ec.h>
 #include <linux/platform_device.h>
@@ -265,17 +266,23 @@  static void wilco_ec_debugfs_remove(struct platform_device *pdev)
 	debugfs_remove_recursive(debug_info->dir);
 }
 
+static const struct platform_device_id wilco_ec_debugfs_id[] = {
+	{ DRV_NAME, 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(platform, wilco_ec_debugfs_id);
+
 static struct platform_driver wilco_ec_debugfs_driver = {
 	.driver = {
 		.name = DRV_NAME,
 	},
 	.probe = wilco_ec_debugfs_probe,
 	.remove_new = wilco_ec_debugfs_remove,
+	.id_table = wilco_ec_debugfs_id,
 };
 
 module_platform_driver(wilco_ec_debugfs_driver);
 
-MODULE_ALIAS("platform:" DRV_NAME);
 MODULE_AUTHOR("Nick Crews <ncrews@chromium.org>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Wilco EC debugfs driver");