Commit 37dbbf32 authored by Eilon Greenstein's avatar Eilon Greenstein Committed by David S. Miller
Browse files

bnx2x: Adding some mmiowb 



Signed-off-by: default avatarVlad Zolotarov <vladz@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eb8da205

drivers/net/bnx2x_main.c

+17 −0
Original line number Diff line number Diff line
@@ -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;

}