atl1: remove irq_sem

Remove unnecessary irq_sem code.

Signed-off-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

2 files changed, 2 insertions, 5 deletions

diff --git a/drivers/net/atl1/atl1.h b/drivers/net/atl1/atl1.h
index b1c6034e68fa..a769e7b8b80b 100644
--- a/drivers/net/atl1/atl1.h
+++ b/drivers/net/atl1/atl1.h
@@ -236,7 +236,6 @@ struct atl1_adapter {
         u16 link_speed;
         u16 link_duplex;
         spinlock_t lock;
-        atomic_t irq_sem;
         struct work_struct tx_timeout_task;
         struct work_struct link_chg_task;
         struct work_struct pcie_dma_to_rst_task;
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index 3bb40dd4a410..ef12dba85811 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -162,7 +162,6 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter)
         hw->cmb_tx_timer = 1;   /* about 2us */
         hw->smb_timer = 100000; /* about 200ms */
 
-        atomic_set(&adapter->irq_sem, 0);
         spin_lock_init(&adapter->lock);
         spin_lock_init(&adapter->mb_lock);
 
@@ -268,8 +267,8 @@ err_nomem:
  */
 static void atl1_irq_enable(struct atl1_adapter *adapter)
 {
-        if (likely(!atomic_dec_and_test(&adapter->irq_sem)))
-                iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR);
+        iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR);
+        ioread32(adapter->hw.hw_addr + REG_IMR);
 }
 
 static void atl1_clear_phy_int(struct atl1_adapter *adapter)
@@ -1195,7 +1194,6 @@ static u32 atl1_configure(struct atl1_adapter *adapter)
  */
 static void atl1_irq_disable(struct atl1_adapter *adapter)
 {
-        atomic_inc(&adapter->irq_sem);
         iowrite32(0, adapter->hw.hw_addr + REG_IMR);
         ioread32(adapter->hw.hw_addr + REG_IMR);
         synchronize_irq(adapter->pdev->irq);