diff options
| author | David Lin <dtwlin@google.com> | 2016-07-14 15:13:00 -0500 |
|---|---|---|
| committer | Alex Elder <elder@linaro.org> | 2016-07-14 16:53:55 -0500 |
| commit | 2d48b5b4a8ca12aeff6551796357add7c05ce8cf (patch) | |
| tree | 17f7d49edad181e9f52ea92eb45112152ed3a2c1 /drivers/staging/greybus/core.c | |
| parent | 165a74ab1401ac3e2b6eb5b7084607b588734e09 (diff) | |
greybus: bundle: add activate and deactivate
AP shall send the Bundle Activate Operation to power on a bundle, and
send the Bundle Deactivate Request after closing all the associated
connections for power down.
Testing Done:
- Check for the return code of the bundle activate and deactivate
operation sent
Signed-off-by: David Lin <dtwlin@google.com>
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'drivers/staging/greybus/core.c')
| -rw-r--r-- | drivers/staging/greybus/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/staging/greybus/core.c b/drivers/staging/greybus/core.c index dacc49c55253..ca3bad910aae 100644 --- a/drivers/staging/greybus/core.c +++ b/drivers/staging/greybus/core.c @@ -162,6 +162,13 @@ static int greybus_probe(struct device *dev) if (!id) return -ENODEV; + /* + * FIXME: We need to perform error handling on bundle activate call + * below when firmware is ready. We just allow the activate operation to + * fail for now since bundle may be in active already. + */ + gb_control_bundle_activate(bundle->intf->control, bundle->id); + retval = driver->probe(bundle, id); if (retval) { /* @@ -169,6 +176,8 @@ static int greybus_probe(struct device *dev) */ WARN_ON(!list_empty(&bundle->connections)); + gb_control_bundle_deactivate(bundle->intf->control, bundle->id); + return retval; } @@ -203,6 +212,9 @@ static int greybus_remove(struct device *dev) /* Catch buggy drivers that fail to destroy their connections. */ WARN_ON(!list_empty(&bundle->connections)); + if (!bundle->intf->disconnected) + gb_control_bundle_deactivate(bundle->intf->control, bundle->id); + return 0; } |