diff options
| author | Heikki Krogerus <heikki.krogerus@linux.intel.com> | 2020-03-02 16:53:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-04 13:12:49 +0300 |
| commit | 69af044a7700552512a147e2ce3520741b65df41 (patch) | |
| tree | a222fb34a044549a2176b74ae8c3bb8ecd5d1438 /drivers/usb/roles/class.c | |
| parent | d1c6a769cdf466053ae211789f2b0671c8a72331 (diff) | |
| download | linux-69af044a7700552512a147e2ce3520741b65df41.tar.xz | |
usb: roles: Leave the private driver data pointer to the drivers
Adding usb_role_switch_get/set_drvdata() functions that the
switch drivers can use for setting and getting private data
pointer that is associated with the switch.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200302135353.56659-5-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/roles/class.c')
| -rw-r--r-- | drivers/usb/roles/class.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c index 486b0b1e2a7a..fe34959af230 100644 --- a/drivers/usb/roles/class.c +++ b/drivers/usb/roles/class.c @@ -329,6 +329,7 @@ usb_role_switch_register(struct device *parent, sw->dev.fwnode = desc->fwnode; sw->dev.class = role_class; sw->dev.type = &usb_role_dev_type; + dev_set_drvdata(&sw->dev, desc->driver_data); dev_set_name(&sw->dev, "%s-role-switch", dev_name(parent)); ret = device_register(&sw->dev); @@ -356,6 +357,27 @@ void usb_role_switch_unregister(struct usb_role_switch *sw) } EXPORT_SYMBOL_GPL(usb_role_switch_unregister); +/** + * usb_role_switch_set_drvdata - Assign private data pointer to a switch + * @sw: USB Role Switch + * @data: Private data pointer + */ +void usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data) +{ + dev_set_drvdata(&sw->dev, data); +} +EXPORT_SYMBOL_GPL(usb_role_switch_set_drvdata); + +/** + * usb_role_switch_get_drvdata - Get the private data pointer of a switch + * @sw: USB Role Switch + */ +void *usb_role_switch_get_drvdata(struct usb_role_switch *sw) +{ + return dev_get_drvdata(&sw->dev); +} +EXPORT_SYMBOL_GPL(usb_role_switch_get_drvdata); + static int __init usb_roles_init(void) { role_class = class_create(THIS_MODULE, "usb_role"); |