diff options
Diffstat (limited to 'drivers/gpu/host1x/bus.c')
| -rw-r--r-- | drivers/gpu/host1x/bus.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c index 68a766ff0e9d..46f69c532b6b 100644 --- a/drivers/gpu/host1x/bus.c +++ b/drivers/gpu/host1x/bus.c @@ -197,6 +197,17 @@ int host1x_device_init(struct host1x_device *device) mutex_lock(&device->clients_lock); list_for_each_entry(client, &device->clients, list) { + if (client->ops && client->ops->early_init) { + err = client->ops->early_init(client); + if (err < 0) { + dev_err(&device->dev, "failed to early initialize %s: %d\n", + dev_name(client->dev), err); + goto teardown_late; + } + } + } + + list_for_each_entry(client, &device->clients, list) { if (client->ops && client->ops->init) { err = client->ops->init(client); if (err < 0) { @@ -217,6 +228,14 @@ teardown: if (client->ops->exit) client->ops->exit(client); + /* reset client to end of list for late teardown */ + client = list_entry(&device->clients, struct host1x_client, list); + +teardown_late: + list_for_each_entry_continue_reverse(client, &device->clients, list) + if (client->ops->late_exit) + client->ops->late_exit(client); + mutex_unlock(&device->clients_lock); return err; } @@ -251,6 +270,18 @@ int host1x_device_exit(struct host1x_device *device) } } + list_for_each_entry_reverse(client, &device->clients, list) { + if (client->ops && client->ops->late_exit) { + err = client->ops->late_exit(client); + if (err < 0) { + dev_err(&device->dev, "failed to late cleanup %s: %d\n", + dev_name(client->dev), err); + mutex_unlock(&device->clients_lock); + return err; + } + } + } + mutex_unlock(&device->clients_lock); return 0; |