tree 2e9d9523edd263fc325a819ad6aba7d78edc4c59
parent 210914e29975d17e635f9e8c1f7478c0ed7a208f
author Peter Crosthwaite <peter.crosthwaite@xilinx.com> 1366072036 +1000
committer Edgar E. Iglesias <edgar.iglesias@gmail.com> 1366099463 +0200

stream: Add flow control API

Add basic flow control to stream. A stream slave may return short, indicating
that it is not capable of accepting any more data at the present time. Polling
or a callback can be used via the can_push() function to determine when the
slave can receive again.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>