patch-2.4.20 linux-2.4.20/drivers/net/tulip/interrupt.c

• Lines: 36
• Date: Thu Nov 28 15:53:14 2002
• Orig file: linux-2.4.19/drivers/net/tulip/interrupt.c
• Orig date: Fri Nov 9 13:45:35 2001

diff -urN linux-2.4.19/drivers/net/tulip/interrupt.c linux-2.4.20/drivers/net/tulip/interrupt.c
@@ -291,6 +291,25 @@
 #endif
 }
 
+static inline void phy_interrupt (struct net_device *dev)
+{
+#ifdef __hppa__
+	int csr12 = inl(dev->base_addr + CSR12) & 0xff;
+	struct tulip_private *tp = (struct tulip_private *)dev->priv;
+
+	if (csr12 != tp->csr12_shadow) {
+		/* ack interrupt */
+		outl(csr12 | 0x02, dev->base_addr + CSR12);
+		tp->csr12_shadow = csr12;
+		/* do link change stuff */
+		spin_lock(&tp->lock);
+		tulip_check_duplex(dev);
+		spin_unlock(&tp->lock);
+		/* clear irq ack bit */
+		outl(csr12 & ~0x02, dev->base_addr + CSR12);
+	}
+#endif
+}
 
 /* The interrupt handler does all of the Rx thread work and cleans up
    after the Tx thread. */
@@ -313,6 +332,9 @@
 	/* Let's see whether the interrupt really is for us */
 	csr5 = inl(ioaddr + CSR5);
 
+        if (tp->flags & HAS_PHY_IRQ)
+	        phy_interrupt (dev);
+    
 	if ((csr5 & (NormalIntr|AbnormalIntr)) == 0)
 		return;