Hi, > From: Chanwoo Choi, Sent: Tuesday, October 10, 2017 7:18 PM > > The extcon has two type of extcon devices as following. > - 'extcon provider deivce' adds new extcon device and detect the > state/properties of external connector. Also, it notifies the > state/properties to the extcon consumer device. > - 'extcon consumer device' gets the change state/properties > from extcon provider device. > Prior to that, include/linux/extcon.h contains all exported API for > both provider and consumer device driver. To clarify the meaning of > header file and to remove the wrong use-case on consumer device, > this patch separates into extcon.h and extcon-provider.h. > > [Description for include/linux/{extcon.h|extcon-provider.h}] > - extcon.h includes the extcon API and data structure for extcon consumer > device driver. This header file contains the following APIs: > : Register/unregister the notifier to catch the change of extcon device > : Get the extcon device instance > : Get the extcon device name > : Get the state of each external connector > : Get the property value of each external connector > : Get the property capability of each external connector > > - extcon-provider.h includes the extcon API and data structure for extcon > provider device driver. This header file contains the following APIs: > : Include 'include/linux/extcon.h' > : Allocate the memory for extcon device instance > : Register/unregister extcon device > : Set the state of each external connector > : Set the property value of each external connector > : Set the property capability of each external connector > > Cc: Felipe Balbi <balbi@xxxxxxxxxx> > Cc: Kishon Vijay Abraham I <kishon@xxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Acked-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx> > Acked-by: Chen-Yu Tsai <wens@xxxxxxxx> > Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx> > Acked-by: Lee Jones <lee.jones@xxxxxxxxxx> > Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> > --- > Changes from v1: > - Don't touch drivers/usb/renesas_usbhs/common.h. > - Add acked-by from Sebastian Reichel (for drivers/power/supply/) > - Add acked-by from Chen-Yu Tsai (for phy-sun4i-usb.c & extcon-axp288.c) > - Add acked-by from Charles Keepax (for drivers/extcon/extcon-arizona.c) > - Add acked-by from Lee Jones (fo include/linux/mfd/palmas.h) < snip > > drivers/phy/renesas/phy-rcar-gen3-usb2.c | 2 +- and < snip > > drivers/usb/gadget/udc/renesas_usb3.c | 2 +- Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> Best regards, Yoshihiro Shimoda