diff options
| author | Roger Quadros <rogerq@ti.com> | 2016-03-30 11:56:29 +0200 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2016-04-06 11:15:03 +0200 |
| commit | 4e332df63487418ec512c3c376c07df9ab3ae035 (patch) | |
| tree | 05b27c723055b5aaa579243ea197a5a81e772bb1 /drivers/usb | |
| parent | usb: otg-fsm: Add documentation for struct otg_fsm (diff) | |
| download | linux-4e332df63487418ec512c3c376c07df9ab3ae035.tar.xz linux-4e332df63487418ec512c3c376c07df9ab3ae035.zip | |
usb: otg-fsm: support multiple instances
Move the state_changed variable into struct otg_fsm
so that we can support multiple instances.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/common/usb-otg-fsm.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c index 504708f59b93..9059b7dc185e 100644 --- a/drivers/usb/common/usb-otg-fsm.c +++ b/drivers/usb/common/usb-otg-fsm.c @@ -61,8 +61,6 @@ static int otg_set_protocol(struct otg_fsm *fsm, int protocol) return 0; } -static int state_changed; - /* Called when leaving a state. Do state clean up jobs here */ static void otg_leave_state(struct otg_fsm *fsm, enum usb_otg_state old_state) { @@ -208,7 +206,6 @@ static void otg_start_hnp_polling(struct otg_fsm *fsm) /* Called when entering a state */ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state) { - state_changed = 1; if (fsm->otg->state == new_state) return 0; VDBG("Set state: %s\n", usb_otg_state_string(new_state)); @@ -324,6 +321,7 @@ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state) } fsm->otg->state = new_state; + fsm->state_changed = 1; return 0; } @@ -335,7 +333,7 @@ int otg_statemachine(struct otg_fsm *fsm) mutex_lock(&fsm->lock); state = fsm->otg->state; - state_changed = 0; + fsm->state_changed = 0; /* State machine state change judgement */ switch (state) { @@ -448,7 +446,7 @@ int otg_statemachine(struct otg_fsm *fsm) } mutex_unlock(&fsm->lock); - VDBG("quit statemachine, changed = %d\n", state_changed); - return state_changed; + VDBG("quit statemachine, changed = %d\n", fsm->state_changed); + return fsm->state_changed; } EXPORT_SYMBOL_GPL(otg_statemachine); |