diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/bnx2.c | 12 | ||||
| -rw-r--r-- | drivers/net/bnx2.h | 1 |
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index ab589090d63..cb74f122138 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); diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 124bd03cff3..ba175a800c8 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6522,6 +6522,7 @@ struct bnx2 { /* Used to synchronize phy accesses. */ spinlock_t phy_lock; + spinlock_t indirect_lock; u32 phy_flags; #define PHY_SERDES_FLAG 1 |