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| author | Johan Hovold <johan@hovoldconsulting.com> | 2016-05-27 17:26:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2016-05-27 12:19:29 -0700 |
| commit | 197616e227b5b562814828df4dac9477e27b0149 (patch) | |
| tree | 3de269658a3bb33d8f9f8d75882d5c242388cead | |
| parent | aca7aab39aa2d69d0a5b1cfc9319506b7c26b79d (diff) | |
| download | linux-197616e227b5b562814828df4dac9477e27b0149.tar.gz linux-197616e227b5b562814828df4dac9477e27b0149.tar.bz2 linux-197616e227b5b562814828df4dac9477e27b0149.zip | |
greybus: control: implement disconnecting operation
Implement the new disconnecting control operation needed for proper
connection tear down.
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| -rw-r--r-- | drivers/staging/greybus/control.c | 12 | ||||
| -rw-r--r-- | drivers/staging/greybus/control.h | 2 | ||||
| -rw-r--r-- | drivers/staging/greybus/greybus_protocols.h | 6 |
3 files changed, 20 insertions, 0 deletions
diff --git a/drivers/staging/greybus/control.c b/drivers/staging/greybus/control.c index a5effcf09f56..c5cdf3c8ccf8 100644 --- a/drivers/staging/greybus/control.c +++ b/drivers/staging/greybus/control.c @@ -149,6 +149,18 @@ int gb_control_disconnected_operation(struct gb_control *control, u16 cport_id) sizeof(request), NULL, 0); } +int gb_control_disconnecting_operation(struct gb_control *control, + u16 cport_id) +{ + struct gb_control_disconnecting_request request; + + request.cport_id = cpu_to_le16(cport_id); + + return gb_operation_sync(control->connection, + GB_CONTROL_TYPE_DISCONNECTING, &request, + sizeof(request), NULL, 0); +} + int gb_control_mode_switch_operation(struct gb_control *control) { return gb_operation_unidirectional(control->connection, diff --git a/drivers/staging/greybus/control.h b/drivers/staging/greybus/control.h index 33e7e2795d1e..9891fbdd1ff7 100644 --- a/drivers/staging/greybus/control.h +++ b/drivers/staging/greybus/control.h @@ -36,6 +36,8 @@ void gb_control_put(struct gb_control *control); int gb_control_get_bundle_versions(struct gb_control *control); int gb_control_connected_operation(struct gb_control *control, u16 cport_id); int gb_control_disconnected_operation(struct gb_control *control, u16 cport_id); +int gb_control_disconnecting_operation(struct gb_control *control, + u16 cport_id); int gb_control_mode_switch_operation(struct gb_control *control); int gb_control_get_manifest_size_operation(struct gb_interface *intf); int gb_control_get_manifest_operation(struct gb_interface *intf, void *manifest, diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h index b98f02c93b1a..216a1d1c3481 100644 --- a/drivers/staging/greybus/greybus_protocols.h +++ b/drivers/staging/greybus/greybus_protocols.h @@ -123,6 +123,7 @@ struct gb_protocol_version_response { #define GB_CONTROL_TYPE_TIMESYNC_AUTHORITATIVE 0x09 /* Unused 0x0a */ #define GB_CONTROL_TYPE_BUNDLE_VERSION 0x0b +#define GB_CONTROL_TYPE_DISCONNECTING 0x0c #define GB_CONTROL_TYPE_TIMESYNC_GET_LAST_EVENT 0x0d #define GB_CONTROL_TYPE_MODE_SWITCH 0x0e @@ -160,6 +161,11 @@ struct gb_control_connected_request { __le16 cport_id; } __packed; +struct gb_control_disconnecting_request { + __le16 cport_id; +} __packed; +/* disconnecting response has no payload */ + struct gb_control_disconnected_request { __le16 cport_id; } __packed; |