int remoteproc_resource_deinit(struct remote_proc *rproc) {
int i = 0;
struct proc_vring *vring_hw = 0;
if (rproc) {
if (rproc->rdev) {
/* disable IPC interrupts */
if (rproc->proc->ops->reg_ipi_after_deinit) {
for(i = 0; i < 2; i++) {
vring_hw = &rproc->proc->vdev.vring_info[i];
rproc->proc->ops->reg_ipi_after_deinit(vring_hw);
}
}
rpmsg_deinit(rproc->rdev);
}
if (rproc->proc) {
hil_delete_proc(rproc->proc);
}
env_free_memory(rproc);
}
env_deinit();
/* Disable the caches - This is required if master boots firmwares
* multiple times without hard reset on same core. If caches are
* not invalidated at this point in time then subsequent firmware
* boots on the same core may experience cache inconsistencies.
*
*/
env_disable_cache();
return RPROC_SUCCESS;
}
/**
* rpmsg_rdev_deinit
*
* This function un-initializes the remote device.
*
* @param rdev - pointer to remote device to deinit.
*
* @return - none
*
*/
void rpmsg_rdev_deinit(struct remote_device *rdev)
{
struct llist *rp_chnl_head, *rp_chnl_temp, *node;
struct rpmsg_channel *rp_chnl;
rp_chnl_head = rdev->rp_channels;
while (rp_chnl_head != RPMSG_NULL) {
rp_chnl_temp = rp_chnl_head->next;
rp_chnl = (struct rpmsg_channel *)rp_chnl_head->data;
if (rdev->channel_destroyed) {
rdev->channel_destroyed(rp_chnl);
}
if ((rdev->support_ns) && (rdev->role == RPMSG_MASTER)) {
rpmsg_send_ns_message(rdev, rp_chnl, RPMSG_NS_DESTROY);
}
/* Delete default endpoint for channel */
if (rp_chnl->rp_ept) {
rpmsg_destroy_ept(rp_chnl->rp_ept);
}
_rpmsg_delete_channel(rp_chnl);
rp_chnl_head = rp_chnl_temp;
}
/* Delete name service endpoint */
node = rpmsg_rdev_get_endpoint_from_addr(rdev, RPMSG_NS_EPT_ADDR);
if (node) {
_destroy_endpoint(rdev, (struct rpmsg_endpoint *)node->data);
}
if (rdev->rvq) {
virtqueue_free(rdev->rvq);
}
if (rdev->tvq) {
virtqueue_free(rdev->tvq);
}
if (rdev->mem_pool) {
sh_mem_delete_pool(rdev->mem_pool);
}
if (rdev->lock) {
env_delete_mutex(rdev->lock);
}
if (rdev->proc) {
hil_delete_proc(rdev->proc);
rdev->proc = 0;
}
env_free_memory(rdev);
}
/**
* remoteproc_deinit
*
* Uninitializes resources for remoteproc "master" configuration.
*
* @param rproc - pointer to remote proc instance
*
* @param returns - status of function execution
*
*/
int remoteproc_deinit(struct remote_proc *rproc) {
if (rproc) {
if (rproc->loader) {
(void) remoteproc_loader_delete(rproc->loader);
rproc->loader = RPROC_NULL;
}
if (rproc->proc) {
hil_delete_proc(rproc->proc);
rproc->proc = RPROC_NULL;
}
env_free_memory(rproc);
}
env_deinit();
return RPROC_SUCCESS;
}