diff options
Diffstat (limited to 'drivers/dma/ioat/hw.h')
-rw-r--r-- | drivers/dma/ioat/hw.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h index e13f3ed47763..7481fb13ce00 100644 --- a/drivers/dma/ioat/hw.h +++ b/drivers/dma/ioat/hw.h | |||
@@ -63,7 +63,11 @@ struct ioat_dma_descriptor { | |||
63 | uint64_t next; | 63 | uint64_t next; |
64 | uint64_t rsv1; | 64 | uint64_t rsv1; |
65 | uint64_t rsv2; | 65 | uint64_t rsv2; |
66 | uint64_t user1; | 66 | /* store some driver data in an unused portion of the descriptor */ |
67 | union { | ||
68 | uint64_t user1; | ||
69 | uint64_t tx_cnt; | ||
70 | }; | ||
67 | uint64_t user2; | 71 | uint64_t user2; |
68 | }; | 72 | }; |
69 | #endif | 73 | #endif |