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path: root/drivers/net/bnx2.c
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Diffstat (limited to 'drivers/net/bnx2.c')
-rw-r--r--drivers/net/bnx2.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index ab58909..cb74f12 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -234,21 +234,29 @@ static inline u32 bnx2_tx_avail(struct bnx2 *bp)
static u32
bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
{
+ u32 val;
+
+ spin_lock_bh(&bp->indirect_lock);
REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
- return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
+ val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
+ spin_unlock_bh(&bp->indirect_lock);
+ return val;
}
static void
bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
{
+ spin_lock_bh(&bp->indirect_lock);
REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
+ spin_unlock_bh(&bp->indirect_lock);
}
static void
bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
{
offset += cid_addr;
+ spin_lock_bh(&bp->indirect_lock);
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
int i;
@@ -266,6 +274,7 @@ bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
REG_WR(bp, BNX2_CTX_DATA, val);
}
+ spin_unlock_bh(&bp->indirect_lock);
}
static int
@@ -6039,6 +6048,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->pdev = pdev;
spin_lock_init(&bp->phy_lock);
+ spin_lock_init(&bp->indirect_lock);
INIT_WORK(&bp->reset_task, bnx2_reset_task);
dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
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