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USB: add support for dev_groups to struct usb_driver

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Now that the driver core supports dev_groups for individual drivers,
expose that pointer to struct usb_driver to make it easier for USB
drivers to also use it.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20190806144502.17792-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-08-06 16:44:51 +02:00
parent 91148dbad8
commit b71b283e3d
2 changed files with 4 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/usb/core/driver.c
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@ -954,6 +954,7 @@ int usb_register_driver(struct usb_driver *new_driver, struct module *owner,
new_driver->drvwrap.driver.remove = usb_unbind_interface;
new_driver->drvwrap.driver.owner = owner;
new_driver->drvwrap.driver.mod_name = mod_name;
new_driver->drvwrap.driver.dev_groups = new_driver->dev_groups;
spin_lock_init(&new_driver->dynids.lock);
INIT_LIST_HEAD(&new_driver->dynids.list);

3
include/linux/usb.h
View file

@ -1151,6 +1151,8 @@ struct usbdrv_wrap {
* @id_table: USB drivers use ID table to support hotplugging.
* Export this with MODULE_DEVICE_TABLE(usb,...). This must be set
* or your driver's probe function will never get called.
* @dev_groups: Attributes attached to the device that will be created once it
* is bound to the driver.
* @dynids: used internally to hold the list of dynamically added device
* ids for this driver.
* @drvwrap: Driver-model core structure wrapper.
@ -1198,6 +1200,7 @@ struct usb_driver {
int (*post_reset)(struct usb_interface *intf);
const struct usb_device_id *id_table;
const struct attribute_group **dev_groups;
struct usb_dynids dynids;
struct usbdrv_wrap drvwrap;