Thu, Dec 04, 2025 at 02:31:00PM +0800, Chaoyi Chen kirjoitti: > From: Chaoyi Chen <[email protected]> > > The DRM may want to register a notifier on the typec bus to know when > a typec altmode device is added, and distinguish between different > types of typec altmode device. > > Export these things. > > Signed-off-by: Chaoyi Chen <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]> > --- > > Changes in v11: > - Also export typec bus. > - Add more detailed comments. > > (no changes since v9) > > drivers/usb/typec/bus.c | 1 + > drivers/usb/typec/bus.h | 10 ---------- > drivers/usb/typec/class.c | 3 +++ > include/linux/usb/typec.h | 3 +++ > include/linux/usb/typec_altmode.h | 8 ++++++++ > 5 files changed, 15 insertions(+), 10 deletions(-) > > diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c > index a33da7f458a5..e84b134a3381 100644 > --- a/drivers/usb/typec/bus.c > +++ b/drivers/usb/typec/bus.c > @@ -569,3 +569,4 @@ const struct bus_type typec_bus = { > .probe = typec_probe, > .remove = typec_remove, > }; > +EXPORT_SYMBOL_GPL(typec_bus); > diff --git a/drivers/usb/typec/bus.h b/drivers/usb/typec/bus.h > index b58e131450d1..7df5deb1dd3a 100644 > --- a/drivers/usb/typec/bus.h > +++ b/drivers/usb/typec/bus.h > @@ -5,7 +5,6 @@ > > #include <linux/usb/typec_altmode.h> > > -struct bus_type; > struct typec_mux; > struct typec_retimer; > > @@ -28,13 +27,4 @@ struct altmode { > > #define to_altmode(d) container_of(d, struct altmode, adev) > > -extern const struct bus_type typec_bus; > -extern const struct device_type typec_port_altmode_dev_type; > -extern const struct device_type typec_plug_altmode_dev_type; > -extern const struct device_type typec_partner_altmode_dev_type; > - > -#define is_typec_port_altmode(dev) ((dev)->type == > &typec_port_altmode_dev_type) > -#define is_typec_plug_altmode(dev) ((dev)->type == > &typec_plug_altmode_dev_type) > -#define is_typec_partner_altmode(dev) ((dev)->type == > &typec_partner_altmode_dev_type) > - > #endif /* __USB_TYPEC_ALTMODE_H__ */ > diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c > index d6b88317f8a4..c4ff4310ff58 100644 > --- a/drivers/usb/typec/class.c > +++ b/drivers/usb/typec/class.c > @@ -537,18 +537,21 @@ const struct device_type typec_port_altmode_dev_type = { > .groups = typec_altmode_groups, > .release = typec_altmode_release, > }; > +EXPORT_SYMBOL_GPL(typec_port_altmode_dev_type); > > const struct device_type typec_plug_altmode_dev_type = { > .name = "typec_plug_alternate_mode", > .groups = typec_altmode_groups, > .release = typec_altmode_release, > }; > +EXPORT_SYMBOL_GPL(typec_plug_altmode_dev_type); > > const struct device_type typec_partner_altmode_dev_type = { > .name = "typec_partner_alternate_mode", > .groups = typec_altmode_groups, > .release = typec_altmode_release, > }; > +EXPORT_SYMBOL_GPL(typec_partner_altmode_dev_type); > > static struct typec_altmode * > typec_register_altmode(struct device *parent, > diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h > index 309251572e2e..c6fd46902fce 100644 > --- a/include/linux/usb/typec.h > +++ b/include/linux/usb/typec.h > @@ -20,12 +20,15 @@ struct typec_port; > struct typec_altmode_ops; > struct typec_cable_ops; > > +struct bus_type; > struct fwnode_handle; > struct device; > > struct usb_power_delivery; > struct usb_power_delivery_desc; > > +extern const struct bus_type typec_bus; > + > enum typec_port_type { > TYPEC_PORT_SRC, > TYPEC_PORT_SNK, > diff --git a/include/linux/usb/typec_altmode.h > b/include/linux/usb/typec_altmode.h > index f7db3bd4c90e..9197a4637a93 100644 > --- a/include/linux/usb/typec_altmode.h > +++ b/include/linux/usb/typec_altmode.h > @@ -9,6 +9,14 @@ > > #define MODE_DISCOVERY_MAX 6 > > +extern const struct device_type typec_port_altmode_dev_type; > +extern const struct device_type typec_plug_altmode_dev_type; > +extern const struct device_type typec_partner_altmode_dev_type; > + > +#define is_typec_port_altmode(dev) ((dev)->type == > &typec_port_altmode_dev_type) > +#define is_typec_plug_altmode(dev) ((dev)->type == > &typec_plug_altmode_dev_type) > +#define is_typec_partner_altmode(dev) ((dev)->type == > &typec_partner_altmode_dev_type) > + > struct typec_altmode_ops; > > /** > -- > 2.51.1 -- heikki
