diff options
Diffstat (limited to 'include/linux/mhi_ep.h')
| -rw-r--r-- | include/linux/mhi_ep.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mhi_ep.h b/include/linux/mhi_ep.h index 46236ffb528a..2880d2aa88b8 100644 --- a/include/linux/mhi_ep.h +++ b/include/linux/mhi_ep.h @@ -67,6 +67,11 @@ struct mhi_ep_db_info { * @cmd_ctx_host_pa: Physical address of host command context data structure * @chdb: Array of channel doorbell interrupt info * @event_lock: Lock for protecting event rings + * @list_lock: Lock for protecting state transition and channel doorbell lists + * @state_lock: Lock for protecting state transitions + * @st_transition_list: List of state transitions + * @wq: Dedicated workqueue for handling rings and state changes + * @state_work: State transition worker * @raise_irq: CB function for raising IRQ to the host * @alloc_map: CB function for allocating memory in endpoint for storing host context and mapping it * @unmap_free: CB function to unmap and free the allocated memory in endpoint for storing host context @@ -100,6 +105,13 @@ struct mhi_ep_cntrl { struct mhi_ep_db_info chdb[4]; struct mutex event_lock; + spinlock_t list_lock; + spinlock_t state_lock; + + struct list_head st_transition_list; + + struct workqueue_struct *wq; + struct work_struct state_work; void (*raise_irq)(struct mhi_ep_cntrl *mhi_cntrl, u32 vector); int (*alloc_map)(struct mhi_ep_cntrl *mhi_cntrl, u64 pci_addr, phys_addr_t *phys_ptr, |