usb: phy: Add and use missed helper functions
This patch implements missed helper functions for start_gadget() and
start_host() OTG FSM callbacks.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/phy/phy-fsm-usb.c b/drivers/usb/phy/phy-fsm-usb.c
index 7f45966..7898459 100644
--- a/drivers/usb/phy/phy-fsm-usb.c
+++ b/drivers/usb/phy/phy-fsm-usb.c
@@ -41,17 +41,17 @@
fsm->protocol, protocol);
/* stop old protocol */
if (fsm->protocol == PROTO_HOST)
- ret = fsm->ops->start_host(fsm, 0);
+ ret = otg_start_host(fsm, 0);
else if (fsm->protocol == PROTO_GADGET)
- ret = fsm->ops->start_gadget(fsm, 0);
+ ret = otg_start_gadget(fsm, 0);
if (ret)
return ret;
/* start new protocol */
if (protocol == PROTO_HOST)
- ret = fsm->ops->start_host(fsm, 1);
+ ret = otg_start_host(fsm, 1);
else if (protocol == PROTO_GADGET)
- ret = fsm->ops->start_gadget(fsm, 1);
+ ret = otg_start_gadget(fsm, 1);
if (ret)
return ret;
diff --git a/drivers/usb/phy/phy-fsm-usb.h b/drivers/usb/phy/phy-fsm-usb.h
index 0f3f7d8..157f106 100644
--- a/drivers/usb/phy/phy-fsm-usb.h
+++ b/drivers/usb/phy/phy-fsm-usb.h
@@ -160,6 +160,20 @@
return 0;
}
+static inline int otg_start_host(struct otg_fsm *fsm, int on)
+{
+ if (!fsm->ops->start_host)
+ return -EOPNOTSUPP;
+ return fsm->ops->start_host(fsm, on);
+}
+
+static inline int otg_start_gadget(struct otg_fsm *fsm, int on)
+{
+ if (!fsm->ops->start_gadget)
+ return -EOPNOTSUPP;
+ return fsm->ops->start_gadget(fsm, on);
+}
+
int otg_statemachine(struct otg_fsm *fsm);
/* Defined by device specific driver, for different timer implementation */