| Message ID | 20240819223834.2049862-4-swboyd@chromium.org |
|---|---|
| State | New |
| Headers | show |
| Series | platform/chrome: Add DT USB/DP muxing/topology support | expand |
On Mon, Aug 19, 2024 at 03:38:17PM -0700, Stephen Boyd wrote: > Ease driver development by adding stubs for the typec_switch APIs when > CONFIG_TYPEC=n. Copy the same method used for the typec_mux APIs to be > consistent. > Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Cc: <linux-usb@vger.kernel.org> > Cc: Pin-yen Lin <treapking@chromium.org> Since it's not a DRM subsystem, can we move Cc after the --- line with the same effect minus Git commit pollution? ... > +#else Do you need #include <linux/err.h> here? Or is it already included at the top of the file? > +static inline struct typec_switch * > +fwnode_typec_switch_get(struct fwnode_handle *fwnode) > +{ > + return NULL; > +} > +static inline void typec_switch_put(struct typec_switch *sw) {} > +static inline int typec_switch_set(struct typec_switch *sw, > + enum typec_orientation orientation) > +{ > + return 0; > +} > + > +static inline struct typec_switch_dev * > +typec_switch_register(struct device *parent, > + const struct typec_switch_desc *desc) > +{ > + return ERR_PTR(-EOPNOTSUPP); > +} > +static inline void typec_switch_unregister(struct typec_switch_dev *sw) {} > + > +static inline void typec_switch_set_drvdata(struct typec_switch_dev *sw, void *data) {} > +static inline void *typec_switch_get_drvdata(struct typec_switch_dev *sw) > +{ > + return ERR_PTR(-EOPNOTSUPP); > +} > + > +#endif /* CONFIG_TYPEC */
diff --git a/include/linux/usb/typec_mux.h b/include/linux/usb/typec_mux.h index 2489a7857d8e..094585205264 100644 --- a/include/linux/usb/typec_mux.h +++ b/include/linux/usb/typec_mux.h @@ -24,16 +24,13 @@ struct typec_switch_desc { void *drvdata; }; +#if IS_ENABLED(CONFIG_TYPEC) + struct typec_switch *fwnode_typec_switch_get(struct fwnode_handle *fwnode); void typec_switch_put(struct typec_switch *sw); int typec_switch_set(struct typec_switch *sw, enum typec_orientation orientation); -static inline struct typec_switch *typec_switch_get(struct device *dev) -{ - return fwnode_typec_switch_get(dev_fwnode(dev)); -} - struct typec_switch_dev * typec_switch_register(struct device *parent, const struct typec_switch_desc *desc); @@ -42,6 +39,41 @@ void typec_switch_unregister(struct typec_switch_dev *sw); void typec_switch_set_drvdata(struct typec_switch_dev *sw, void *data); void *typec_switch_get_drvdata(struct typec_switch_dev *sw); +#else + +static inline struct typec_switch * +fwnode_typec_switch_get(struct fwnode_handle *fwnode) +{ + return NULL; +} +static inline void typec_switch_put(struct typec_switch *sw) {} +static inline int typec_switch_set(struct typec_switch *sw, + enum typec_orientation orientation) +{ + return 0; +} + +static inline struct typec_switch_dev * +typec_switch_register(struct device *parent, + const struct typec_switch_desc *desc) +{ + return ERR_PTR(-EOPNOTSUPP); +} +static inline void typec_switch_unregister(struct typec_switch_dev *sw) {} + +static inline void typec_switch_set_drvdata(struct typec_switch_dev *sw, void *data) {} +static inline void *typec_switch_get_drvdata(struct typec_switch_dev *sw) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +#endif /* CONFIG_TYPEC */ + +static inline struct typec_switch *typec_switch_get(struct device *dev) +{ + return fwnode_typec_switch_get(dev_fwnode(dev)); +} + struct typec_mux_state { struct typec_altmode *alt; unsigned long mode;
Ease driver development by adding stubs for the typec_switch APIs when CONFIG_TYPEC=n. Copy the same method used for the typec_mux APIs to be consistent. Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: <linux-usb@vger.kernel.org> Cc: Pin-yen Lin <treapking@chromium.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- include/linux/usb/typec_mux.h | 42 ++++++++++++++++++++++++++++++----- 1 file changed, 37 insertions(+), 5 deletions(-)