forked from luck/tmp_suning_uos_patched
9a01c7c26c
Thunderbolt services should not care which HopID (ring) they use for sending and receiving packets over the high-speed DMA path, so make tb_ring_alloc_rx() and tb_ring_alloc_tx() accept negative HopID. This means that the NHI will allocate next available HopID for the caller automatically. These HopIDs will be allocated from the range which is not reserved for the Thunderbolt protocol (8 .. hop_count - 1). The allocated HopID can be retrieved from ring->hop field after the ring has been allocated successfully if needed. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Michael Jamet <michael.jamet@intel.com> Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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