via-rhine: balance interrupt acknowledge and events retrieval.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>

diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 93987e8..716fd42 100644 (file)
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -508,9 +508,8 @@ do {                                                                \
                        1024 - i, __func__, __LINE__);          \
 } while (0)
 
-static inline u32 get_intr_status(struct net_device *dev)
+static u32 rhine_get_events(struct rhine_private *rp)
 {
-       struct rhine_private *rp = netdev_priv(dev);
        void __iomem *ioaddr = rp->base;
        u32 intr_status;
 
@@ -521,6 +520,16 @@ static inline u32 get_intr_status(struct net_device *dev)
        return intr_status;
 }
 
+static void rhine_ack_events(struct rhine_private *rp, u32 mask)
+{
+       void __iomem *ioaddr = rp->base;
+
+       if (rp->quirks & rqStatusWBRace)
+               iowrite8(mask >> 16, ioaddr + IntrStatus2);
+       iowrite16(mask, ioaddr + IntrStatus);
+       IOSYNC;
+}
+
 /*
  * Get power related registers into sane state.
  * Notify user about past WOL event.
@@ -1580,14 +1589,11 @@ static irqreturn_t rhine_interrupt(int irq, void *dev_instance)
        int boguscnt = max_interrupt_work;
        int handled = 0;
 
-       while ((intr_status = get_intr_status(dev))) {
+       while ((intr_status = rhine_get_events(rp))) {
                handled = 1;
 
                /* Acknowledge all of the current interrupt sources ASAP. */
-               if (intr_status & IntrTxDescRace)
-                       iowrite8(0x08, ioaddr + IntrStatus2);
-               iowrite16(intr_status & 0xffff, ioaddr + IntrStatus);
-               IOSYNC;
+               rhine_ack_events(rp, intr_status);
 
                if (debug > 4)
                        netdev_dbg(dev, "Interrupt, status %08x\n",
@@ -1872,7 +1878,7 @@ static void rhine_restart_tx(struct net_device *dev) {
         * If new errors occurred, we need to sort them out before doing Tx.
         * In that case the ISR will be back here RSN anyway.
         */
-       intr_status = get_intr_status(dev);
+       intr_status = rhine_get_events(rp);
 
        if ((intr_status & IntrTxErrSummary) == 0) {