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| author | Eilon Greenstein <eilong@broadcom.com> | 2009-07-21 07:47:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-07-21 20:18:28 +0200 |
| commit | 37dbbf32a0d45f0ed88f92cb6d0c35f4809e3a8e (patch) | |
| tree | ab2deec056ed0117e024d4706f76a09fa53aba78 /drivers/net/bnx2x_main.c | |
| parent | bnx2x: Fan failure early detection (diff) | |
| download | linux-37dbbf32a0d45f0ed88f92cb6d0c35f4809e3a8e.tar.xz linux-37dbbf32a0d45f0ed88f92cb6d0c35f4809e3a8e.zip | |
bnx2x: Adding some mmiowb
Signed-off-by: Vlad Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bnx2x_main.c')
| -rw-r--r-- | drivers/net/bnx2x_main.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index d946c9ea3f29..f20df6d7dcb5 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -652,6 +652,11 @@ static void bnx2x_int_enable(struct bnx2x *bp) val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx"))); REG_WR(bp, addr, val); + /* + * Ensure that HC_CONFIG is written before leading/trailing edge config + */ + mmiowb(); + barrier(); if (CHIP_IS_E1H(bp)) { /* init leading/trailing edge */ @@ -666,6 +671,9 @@ static void bnx2x_int_enable(struct bnx2x *bp) REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); } + + /* Make sure that interrupts are indeed enabled from here on */ + mmiowb(); } static void bnx2x_int_disable(struct bnx2x *bp) @@ -739,6 +747,10 @@ static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id, DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n", (*(u32 *)&igu_ack), hc_addr); REG_WR(bp, hc_addr, (*(u32 *)&igu_ack)); + + /* Make sure that ACK is written */ + mmiowb(); + barrier(); } static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) @@ -2429,9 +2441,14 @@ static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, bp->spq_prod_idx++; } + /* Make sure that BD data is updated before writing the producer */ + wmb(); + REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func), bp->spq_prod_idx); + mmiowb(); + spin_unlock_bh(&bp->spq_lock); return 0; } |