From 0ef00459a638ae4f5d1e5326d3e50232fa80119f Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Wed, 14 Jan 2009 21:31:08 -0800
Subject: [PATCH] bnx2x: First slow path interrupt race
The "read for interrupts" flag must be set before enabling slow-path
interrupts as well (and not just before fast-path interrupts)
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/bnx2x_main.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index b573951600de7..7c533797c064a 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -4812,6 +4812,15 @@ static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
bnx2x_init_context(bp);
bnx2x_init_internal(bp, load_code);
bnx2x_init_ind_table(bp);
+ bnx2x_stats_init(bp);
+
+ /* At this point, we are ready for interrupts */
+ atomic_set(&bp->intr_sem, 0);
+
+ /* flush all before enabling interrupts */
+ mb();
+ mmiowb();
+
bnx2x_int_enable(bp);
}
@@ -6420,17 +6429,8 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
}
}
- bnx2x_stats_init(bp);
-
bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
- /* Enable Rx interrupt handling before sending the ramrod
- as it's completed on Rx FP queue */
- bnx2x_napi_enable(bp);
-
- /* Enable interrupt handling */
- atomic_set(&bp->intr_sem, 0);
-
rc = bnx2x_setup_leading(bp);
if (rc) {
BNX2X_ERR("Setup leading failed!\n");
--
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