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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: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Sandeep Patil <sspatil@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2016-08-10 12:58:46 +02:00 committed by Greg Kroah-Hartman
parent 8f71a975d4
commit 9f77b80fdf
1 changed files with 21 additions and 5 deletions
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26
drivers/staging/greybus/control.c
View File

@ -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)