在 2021/6/14 23:26, Rafael J. Wysocki 写道:
On Thu, Jun 10, 2021 at 1:25 PM Baokun Li <libaokun1@xxxxxxxxxx> wrote:
Fixes the following W=1 kernel build warning(s):
drivers/acpi/device_sysfs.c:278: warning: Function parameter or
member 'dev' not described in 'acpi_device_uevent_modalias'
drivers/acpi/device_sysfs.c:278: warning: Function parameter or
member 'env' not described in 'acpi_device_uevent_modalias'
drivers/acpi/device_sysfs.c:323: warning: Function parameter or
member 'dev' not described in 'acpi_device_modalias'
drivers/acpi/device_sysfs.c:323: warning: Function parameter or
member 'buf' not described in 'acpi_device_modalias'
drivers/acpi/device_sysfs.c:323: warning: Function parameter or
member 'size' not described in 'acpi_device_modalias'
Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
---
drivers/acpi/device_sysfs.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index fa2c1c93072c..3b08efa88ba5 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -268,7 +268,8 @@ int __acpi_device_uevent_modalias(struct acpi_device *adev,
/**
* acpi_device_uevent_modalias - uevent modalias for ACPI-enumerated devices.
- *
+ * @dev: Struct device.
+ * @env: Uevent kobject.
This doesn't appear to be accurate.
@env doesn't point to a kobject.
I didn't quite understand that variable.
But I saw the same paramter in 'drivers/misc/mei/bus.c +1001' where has
comments.
So I copied that comments here.
997 /**
998 * mei_cl_device_uevent - me client bus uevent handler
999 *
1000 * @dev: device
1001 * @env: uevent kobject
1002 *
1003 * Return: 0 on success -ENOMEM on when add_uevent_var fails
1004 */
1005 static int mei_cl_device_uevent(struct device *dev, struct
kobj_uevent_env *env)
Thank you for your advice.
I'm about to send a patch v2 with the changes suggested by you.
Best Regards.
* Create the uevent modalias field for ACPI-enumerated devices.
*
* Because other buses do not support ACPI HIDs & CIDs, e.g. for a device with
@@ -313,7 +314,9 @@ static int __acpi_device_modalias(struct acpi_device *adev, char *buf, int size)
/**
* acpi_device_modalias - modalias sysfs attribute for ACPI-enumerated devices.
- *
+ * @dev: Struct device.
+ * @buf: The buffer.
+ * @size: Size of the buffer.
* Create the modalias sysfs attribute for ACPI-enumerated devices.
*
* Because other buses do not support ACPI HIDs & CIDs, e.g. for a device with
--
2.31.1
.
