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| author | Johan Hovold <johan@hovoldconsulting.com> | 2016-04-13 19:19:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2016-04-21 10:06:00 +0900 |
| commit | a6e5b014b8fe0bd4cb1e1ca0380320a200605742 (patch) | |
| tree | 963b67c08d45090c768eff28ce8b1b27b3382604 /drivers/staging/greybus/control.c | |
| parent | 1ed8cdef405806c246b62a1ba926e0251fdaa531 (diff) | |
| download | op-kernel-dev-a6e5b014b8fe0bd4cb1e1ca0380320a200605742.zip op-kernel-dev-a6e5b014b8fe0bd4cb1e1ca0380320a200605742.tar.gz | |
greybus: core: make the control object be a device
Make the control object be a greybus device.
The control device will be used to expose attributes specific to
greybus-type interfaces.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/control.c')
| -rw-r--r-- | drivers/staging/greybus/control.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/staging/greybus/control.c b/drivers/staging/greybus/control.c index 3c1f664..c303bb2 100644 --- a/drivers/staging/greybus/control.c +++ b/drivers/staging/greybus/control.c @@ -213,6 +213,20 @@ int gb_control_timesync_authoritative(struct gb_control *control, NULL, 0); } +static void gb_control_release(struct device *dev) +{ + struct gb_control *control = to_gb_control(dev); + + gb_connection_destroy(control->connection); + + kfree(control); +} + +struct device_type greybus_control_type = { + .name = "greybus_control", + .release = gb_control_release, +}; + struct gb_control *gb_control_create(struct gb_interface *intf) { struct gb_control *control; @@ -221,6 +235,8 @@ struct gb_control *gb_control_create(struct gb_interface *intf) if (!control) return NULL; + control->intf = intf; + control->connection = gb_connection_create_control(intf); if (IS_ERR(control->connection)) { dev_err(&intf->dev, @@ -230,6 +246,13 @@ struct gb_control *gb_control_create(struct gb_interface *intf) return NULL; } + control->dev.parent = &intf->dev; + control->dev.bus = &greybus_bus_type; + control->dev.type = &greybus_control_type; + control->dev.dma_mask = intf->dev.dma_mask; + device_initialize(&control->dev); + dev_set_name(&control->dev, "%s.ctrl", dev_name(&intf->dev)); + gb_connection_set_data(control->connection, control); return control; @@ -271,8 +294,7 @@ void gb_control_disable(struct gb_control *control) gb_connection_disable(control->connection); } -void gb_control_destroy(struct gb_control *control) +void gb_control_put(struct gb_control *control) { - gb_connection_destroy(control->connection); - kfree(control); + put_device(&control->dev); } |
