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[10/18] platform/chrome: cros_ec_sysfs: provide ID table for avoiding fallback match

Message ID 20240329075630.2069474-11-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/cros_ec_sysfs.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Comments

Krzysztof Kozlowski March 29, 2024, 12:37 p.m. UTC | #1
On 29/03/2024 08:56, 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: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
Krzysztof
Benson Leung March 29, 2024, 8:15 p.m. UTC | #2
On Fri, Mar 29, 2024 at 03:56:22PM +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/cros_ec_sysfs.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c
> index 93e67ab4af06..9c944146ee50 100644
> --- a/drivers/platform/chrome/cros_ec_sysfs.c
> +++ b/drivers/platform/chrome/cros_ec_sysfs.c
> @@ -8,6 +8,7 @@
>  #include <linux/device.h>
>  #include <linux/fs.h>
>  #include <linux/kobject.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>
> @@ -347,16 +348,22 @@ static void cros_ec_sysfs_remove(struct platform_device *pd)
>  	sysfs_remove_group(&ec_dev->class_dev.kobj, &cros_ec_attr_group);
>  }
>  
> +static const struct platform_device_id cros_ec_sysfs_id[] = {
> +	{ DRV_NAME, 0 },
> +	{}
> +};
> +MODULE_DEVICE_TABLE(platform, cros_ec_sysfs_id);
> +
>  static struct platform_driver cros_ec_sysfs_driver = {
>  	.driver = {
>  		.name = DRV_NAME,
>  	},
>  	.probe = cros_ec_sysfs_probe,
>  	.remove_new = cros_ec_sysfs_remove,
> +	.id_table = cros_ec_sysfs_id,
>  };
>  
>  module_platform_driver(cros_ec_sysfs_driver);
>  
>  MODULE_LICENSE("GPL");
>  MODULE_DESCRIPTION("Expose the ChromeOS EC through sysfs");
> -MODULE_ALIAS("platform:" DRV_NAME);
> -- 
> 2.44.0.478.gd926399ef9-goog
> 
>
diff mbox series

Patch

diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c
index 93e67ab4af06..9c944146ee50 100644
--- a/drivers/platform/chrome/cros_ec_sysfs.c
+++ b/drivers/platform/chrome/cros_ec_sysfs.c
@@ -8,6 +8,7 @@ 
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/kobject.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>
@@ -347,16 +348,22 @@  static void cros_ec_sysfs_remove(struct platform_device *pd)
 	sysfs_remove_group(&ec_dev->class_dev.kobj, &cros_ec_attr_group);
 }
 
+static const struct platform_device_id cros_ec_sysfs_id[] = {
+	{ DRV_NAME, 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(platform, cros_ec_sysfs_id);
+
 static struct platform_driver cros_ec_sysfs_driver = {
 	.driver = {
 		.name = DRV_NAME,
 	},
 	.probe = cros_ec_sysfs_probe,
 	.remove_new = cros_ec_sysfs_remove,
+	.id_table = cros_ec_sysfs_id,
 };
 
 module_platform_driver(cros_ec_sysfs_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Expose the ChromeOS EC through sysfs");
-MODULE_ALIAS("platform:" DRV_NAME);