From 0676b38e480f5ec8866fb43c670b481dfaf3d69b Mon Sep 17 00:00:00 2001
From: deraadt <deraadt@openbsd.org>
Date: Thu, 14 Dec 1995 06:35:34 +0000
Subject: [PATCH] from netbsd: Don't use the softc at probe time on pci devices
 because it has not been allocated yet

---
 sys/dev/pci/aic7870.c | 49 +++++++++++++++++++++++++------------------
 1 file changed, 29 insertions(+), 20 deletions(-)

diff --git a/sys/dev/pci/aic7870.c b/sys/dev/pci/aic7870.c
index b0b362b50fb..e07e00a3a33 100644
--- a/sys/dev/pci/aic7870.c
+++ b/sys/dev/pci/aic7870.c
@@ -19,7 +19,7 @@
  * 4. Modifications may be freely made to this file if the above conditions
  *    are met.
  *
- *	$Id: aic7870.c,v 1.1.1.1 1995/10/18 08:52:39 deraadt Exp $
+ *	$Id: aic7870.c,v 1.2 1995/12/14 06:35:34 deraadt Exp $
  */
 
 #include <sys/param.h>
@@ -33,16 +33,17 @@
 
 #include <dev/pci/pcireg.h>
 #include <dev/pci/pcivar.h>
-#include <dev/ic/aic7xxxvar.h>
+#include <dev/pci/pcidevs.h>
 
+#include <dev/ic/aic7xxxvar.h>
 
-#define PCI_BASEADR0	PCI_MAP_REG_START
-#define PCI_DEVICE_ID_ADAPTEC_2940	0x71789004ul
-#define PCI_DEVICE_ID_ADAPTEC_AIC7870	0x70789004ul
 
+#define PCI_BASEADR0		PCI_MAP_REG_START
+#define PCI_VENDORID(x)         ((x) & 0xFFFF)
+#define PCI_CHIPID(x)           (((x) >> 16) & 0xFFFF)
 
-static int aic7870_probe();
-static void aic7870_attach();
+static int aic7870_probe __P((struct device *, void *, void *));
+static void aic7870_attach __P((struct device *, struct device *, void *));
 
 struct cfdriver ahccd = {
         NULL, "ahc", aic7870_probe, aic7870_attach, DV_DULL, 
@@ -59,11 +60,17 @@ aic7870_probe(parent, match, aux)
 {       
         struct pci_attach_args *pa = aux;
 
-	if (pa->pa_id != PCI_DEVICE_ID_ADAPTEC_2940 &&
-	    pa->pa_id != PCI_DEVICE_ID_ADAPTEC_AIC7870)
-		return (0);
-
-	return (1);
+	if (PCI_VENDORID(pa->pa_id) != PCI_VENDOR_ADP)
+		return 0;
+
+	switch (PCI_CHIPID(pa->pa_id)) {
+	case PCI_PRODUCT_ADP_AIC7870:
+	case PCI_PRODUCT_ADP_AIC2940:
+	case PCI_PRODUCT_ADP_AIC2940U:
+		return 1;
+	default:
+		return 0;
+	}
 }
 
 void    
@@ -75,14 +82,16 @@ aic7870_attach(parent, self, aux)
         struct ahc_softc *ahc = (void *)self;
 	int iobase; 
 
-        switch (pa->pa_id) {
-        case PCI_DEVICE_ID_ADAPTEC_2940:
-		ahc->type = AHC_294;
-                break;
-        case PCI_DEVICE_ID_ADAPTEC_AIC7870:
+	switch (PCI_CHIPID(pa->pa_id)) {
+	case PCI_PRODUCT_ADP_AIC7870:
 		ahc->type = AHC_AIC7870;
-                break;
-        }
+		break;
+
+	case PCI_PRODUCT_ADP_AIC2940:
+	case PCI_PRODUCT_ADP_AIC2940U:
+		ahc->type = AHC_294;
+		break;
+	}
 
 	if (pci_map_io(pa->pa_tag, PCI_BASEADR0, &iobase))
 		return;
@@ -98,4 +107,4 @@ aic7870_attach(parent, self, aux)
 	ahcattach(ahc);
 
 	ahc->sc_ih = pci_map_int(pa->pa_tag, PCI_IPL_BIO, ahcintr, ahc);
-}       
+}
-- 
2.20.1