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Diffstat (limited to 'drivers/gpu/host1x/bus.c')
| -rw-r--r-- | drivers/gpu/host1x/bus.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c index 344cc9e741c1..723a80895cd4 100644 --- a/drivers/gpu/host1x/bus.c +++ b/drivers/gpu/host1x/bus.c @@ -471,6 +471,18 @@ static int host1x_device_add(struct host1x *host1x, mutex_unlock(&clients_lock); + /* + * Add device even if there are no subdevs to ensure syncpoint functionality + * is available regardless of whether any engine subdevices are present + */ + if (list_empty(&device->subdevs)) { + err = device_add(&device->dev); + if (err < 0) + dev_err(&device->dev, "failed to add device: %d\n", err); + else + device->registered = true; + } + return 0; } |