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Commit 9f77b80f authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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greybus: control: make disconnecting a core operation 



Make the control-protocol disconnecting operation a "core" operation.

This is needed to be able to use the operation in the new connection
tear-down sequence of control connections, which moves disconnecting
after the flush barrier.

Signed-off-by: default avatarJohan Hovold <johan@hovoldconsulting.com>
Reviewed-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Acked-by: default avatarSandeep Patil <sspatil@google.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent 8f71a975

drivers/staging/greybus/control.c

+21 −5
Original line number Diff line number Diff line
@@ -152,13 +152,29 @@ int gb_control_disconnected_operation(struct gb_control *control, u16 cport_id) 
int gb_control_disconnecting_operation(struct gb_control *control,

					u16 cport_id)

{

	struct gb_control_disconnecting_request request;

	struct gb_control_disconnecting_request *request;

	struct gb_operation *operation;

	int ret;



	request.cport_id = cpu_to_le16(cport_id);

	operation = gb_operation_create_core(control->connection,

					GB_CONTROL_TYPE_DISCONNECTING,

					sizeof(*request), 0, 0,

					GFP_KERNEL);

	if (!operation)

		return -ENOMEM;



	return gb_operation_sync(control->connection,

				 GB_CONTROL_TYPE_DISCONNECTING, &request,

				 sizeof(request), NULL, 0);

	request = operation->request->payload;

	request->cport_id = cpu_to_le16(cport_id);



	ret = gb_operation_request_send_sync(operation);

	if (ret) {

		dev_err(&control->dev, "failed to send disconnecting: %d\n",

				ret);

	}



	gb_operation_put(operation);



	return ret;

}



int gb_control_mode_switch_operation(struct gb_control *control)