Merge commit 'v2.6.33' into core/rcu

Merge reason: Update from -rc4 to -final.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 20 insertions, 21 deletions

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index c93f58f5c6f2..317aa34b21cf 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1877,13 +1877,12 @@ static void velocity_error(struct velocity_info *vptr, int status)
 /**
  *      tx_srv          -       transmit interrupt service
  *      @vptr; Velocity
- *      @status:
  *
  *      Scan the queues looking for transmitted packets that
  *      we can complete and clean up. Update any statistics as
  *      necessary/
  */
-static int velocity_tx_srv(struct velocity_info *vptr, u32 status)
+static int velocity_tx_srv(struct velocity_info *vptr)
 {
         struct tx_desc *td;
         int qnum;
@@ -2090,14 +2089,12 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx)
 /**
  *      velocity_rx_srv         -       service RX interrupt
  *      @vptr: velocity
- *      @status: adapter status (unused)
  *
  *      Walk the receive ring of the velocity adapter and remove
  *      any received packets from the receive queue. Hand the ring
  *      slots back to the adapter for reuse.
  */
-static int velocity_rx_srv(struct velocity_info *vptr, int status,
-                int budget_left)
+static int velocity_rx_srv(struct velocity_info *vptr, int budget_left)
 {
         struct net_device_stats *stats = &vptr->dev->stats;
         int rd_curr = vptr->rx.curr;
@@ -2151,32 +2148,24 @@ static int velocity_poll(struct napi_struct *napi, int budget)
         struct velocity_info *vptr = container_of(napi,
                         struct velocity_info, napi);
         unsigned int rx_done;
-        u32 isr_status;
-
-        spin_lock(&vptr->lock);
-        isr_status = mac_read_isr(vptr->mac_regs);
-
-        /* Ack the interrupt */
-        mac_write_isr(vptr->mac_regs, isr_status);
-        if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
-                velocity_error(vptr, isr_status);
+        unsigned long flags;
 
+        spin_lock_irqsave(&vptr->lock, flags);
         /*
          * Do rx and tx twice for performance (taken from the VIA
          * out-of-tree driver).
          */
-        rx_done = velocity_rx_srv(vptr, isr_status, budget / 2);
-        velocity_tx_srv(vptr, isr_status);
-        rx_done += velocity_rx_srv(vptr, isr_status, budget - rx_done);
-        velocity_tx_srv(vptr, isr_status);
-
-        spin_unlock(&vptr->lock);
+        rx_done = velocity_rx_srv(vptr, budget / 2);
+        velocity_tx_srv(vptr);
+        rx_done += velocity_rx_srv(vptr, budget - rx_done);
+        velocity_tx_srv(vptr);
 
         /* If budget not fully consumed, exit the polling mode */
         if (rx_done < budget) {
                 napi_complete(napi);
                 mac_enable_int(vptr->mac_regs);
         }
+        spin_unlock_irqrestore(&vptr->lock, flags);
 
         return rx_done;
 }
@@ -2206,10 +2195,17 @@ static irqreturn_t velocity_intr(int irq, void *dev_instance)
                 return IRQ_NONE;
         }
 
+        /* Ack the interrupt */
+        mac_write_isr(vptr->mac_regs, isr_status);
+
         if (likely(napi_schedule_prep(&vptr->napi))) {
                 mac_disable_int(vptr->mac_regs);
                 __napi_schedule(&vptr->napi);
         }
+
+        if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
+                velocity_error(vptr, isr_status);
+
         spin_unlock(&vptr->lock);
 
         return IRQ_HANDLED;
@@ -3100,7 +3096,7 @@ static int velocity_resume(struct pci_dev *pdev)
         velocity_init_registers(vptr, VELOCITY_INIT_WOL);
         mac_disable_int(vptr->mac_regs);
 
-        velocity_tx_srv(vptr, 0);
+        velocity_tx_srv(vptr);
 
         for (i = 0; i < vptr->tx.numq; i++) {
                 if (vptr->tx.used[i])
@@ -3344,6 +3340,7 @@ static int velocity_set_coalesce(struct net_device *dev,
 {
         struct velocity_info *vptr = netdev_priv(dev);
         int max_us = 0x3f * 64;
+        unsigned long flags;
 
         /* 6 bits of  */
         if (ecmd->tx_coalesce_usecs > max_us)
@@ -3365,6 +3362,7 @@ static int velocity_set_coalesce(struct net_device *dev,
                         ecmd->tx_coalesce_usecs);
 
         /* Setup the interrupt suppression and queue timers */
+        spin_lock_irqsave(&vptr->lock, flags);
         mac_disable_int(vptr->mac_regs);
         setup_adaptive_interrupts(vptr);
         setup_queue_timers(vptr);
@@ -3372,6 +3370,7 @@ static int velocity_set_coalesce(struct net_device *dev,
         mac_write_int_mask(vptr->int_mask, vptr->mac_regs);
         mac_clear_isr(vptr->mac_regs);
         mac_enable_int(vptr->mac_regs);
+        spin_unlock_irqrestore(&vptr->lock, flags);
 
         return 0;
 }