Commit b67daab0 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

bnxt_en: Use dma_rmb() instead of rmb().



Use the weaker but more appropriate dma_rmb() to order the reading of
the completion ring.
Suggested-by: default avatarAjit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5049e33b
...@@ -1494,7 +1494,7 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) ...@@ -1494,7 +1494,7 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
/* The valid test of the entry must be done first before /* The valid test of the entry must be done first before
* reading any further. * reading any further.
*/ */
rmb(); dma_rmb();
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) { if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
tx_pkts++; tx_pkts++;
/* return full budget so NAPI will complete. */ /* return full budget so NAPI will complete. */
......
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