diff options
| -rw-r--r-- | drivers/usb/chipidea/ci.h | 4 | ||||
| -rw-r--r-- | drivers/usb/chipidea/core.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index a4a3be049910..005c67cb3afb 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -127,12 +127,16 @@ enum ci_revision { * struct ci_role_driver - host/gadget role driver * @start: start this role * @stop: stop this role + * @suspend: system suspend handler for this role + * @resume: system resume handler for this role * @irq: irq handler for this role * @name: role name string (host/gadget) */ struct ci_role_driver { int (*start)(struct ci_hdrc *); void (*stop)(struct ci_hdrc *); + void (*suspend)(struct ci_hdrc *ci); + void (*resume)(struct ci_hdrc *ci, bool power_lost); irqreturn_t (*irq)(struct ci_hdrc *); const char *name; }; diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 80267b973c26..2b170b434d01 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -1383,6 +1383,10 @@ static int ci_suspend(struct device *dev) return 0; } + /* Extra routine per role before system suspend */ + if (ci->role != CI_ROLE_END && ci_role(ci)->suspend) + ci_role(ci)->suspend(ci); + if (device_may_wakeup(dev)) { if (ci_otg_is_fsm_mode(ci)) ci_otg_fsm_suspend_for_srp(ci); @@ -1422,6 +1426,10 @@ static int ci_resume(struct device *dev) ci_usb_phy_init(ci); } + /* Extra routine per role after system resume */ + if (ci->role != CI_ROLE_END && ci_role(ci)->resume) + ci_role(ci)->resume(ci, power_lost); + if (power_lost) ci_handle_power_lost(ci); |