diff -Naur linux-2.4.22-pre6/drivers/scsi/aha152x.c linux-2.4.22-bpd/drivers/scsi/aha152x.c
--- linux-2.4.22-pre6/drivers/scsi/aha152x.c	2003-06-13 08:51:36.000000000 -0600
+++ linux-2.4.22-bpd/drivers/scsi/aha152x.c	2003-07-15 16:05:09.000000000 -0600
@@ -1930,12 +1930,30 @@
 static void intr(int irqno, void *dev_id, struct pt_regs *regs)
 {
 	struct Scsi_Host *shpnt = lookup_irq(irqno);
+	unsigned char rev, dmacntrl0;
 
 	if (!shpnt) {
 		printk(KERN_ERR "aha152x: catched interrupt %d for unknown controller.\n", irqno);
 		return;
 	}
 
+	/*
+	 * Read a couple of registers that are known to not be all 1's. If
+	 * we read all 1's (-1), that means that either:
+	 * a. The host adapter chip has gone bad, and we cannot control it,
+	 * OR
+	 * b. The host adapter is a PCMCIA card that has been ejected
+	 * In either case, we cannot do anything with the host adapter at
+	 * this point in time. So just ignore the interrupt and return.
+	 * In the latter case, the interrupt might actually be meant for
+	 * someone else sharing this IRQ, and that driver will handle it
+	 */
+	rev = GETPORT(REV);
+	dmacntrl0 = GETPORT(DMACNTRL0);
+	if ((rev == 0xFF) && (dmacntrl0 == 0xFF)) {
+		return;
+	}
+
 	/* no more interrupts from the controller, while we're busy.
 	   INTEN is restored by the BH handler */
 	CLRBITS(DMACNTRL0, INTEN);
diff -Naur linux-2.4.22-pre6/drivers/scsi/pcmcia/aha152x_stub.c linux-2.4.22-bpd/drivers/scsi/pcmcia/aha152x_stub.c
--- linux-2.4.22-pre6/drivers/scsi/pcmcia/aha152x_stub.c	2001-12-21 10:41:55.000000000 -0700
+++ linux-2.4.22-bpd/drivers/scsi/pcmcia/aha152x_stub.c	2003-07-17 14:03:03.000000000 -0600
@@ -40,7 +40,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/timer.h>
 #include <linux/ioport.h>
 #include <scsi/scsi.h>
 #include <linux/major.h>
@@ -139,8 +138,6 @@
     if (!info) return NULL;
     memset(info, 0, sizeof(*info));
     link = &info->link; link->priv = info;
-    link->release.function = &aha152x_release_cs;
-    link->release.data = (u_long)link;
 
     link->io.NumPorts1 = 0x20;
     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
@@ -193,7 +190,6 @@
     if (*linkp == NULL)
 	return;
 
-    del_timer(&link->release);
     if (link->state & DEV_CONFIG) {
 	aha152x_release_cs((u_long)link);
 	if (link->state & DEV_STALE_CONFIG) {
@@ -383,7 +379,7 @@
     case CS_EVENT_CARD_REMOVAL:
 	link->state &= ~DEV_PRESENT;
 	if (link->state & DEV_CONFIG)
-	    mod_timer(&link->release, jiffies + HZ/20);
+	    aha152x_release_cs((u_long)link);
 	break;
     case CS_EVENT_CARD_INSERTION:
 	link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
diff -Naur linux-2.4.22-pre6/drivers/scsi/pcmcia/fdomain_stub.c linux-2.4.22-bpd/drivers/scsi/pcmcia/fdomain_stub.c
--- linux-2.4.22-pre6/drivers/scsi/pcmcia/fdomain_stub.c	2001-12-21 10:41:55.000000000 -0700
+++ linux-2.4.22-bpd/drivers/scsi/pcmcia/fdomain_stub.c	2003-07-17 14:04:36.000000000 -0600
@@ -37,7 +37,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/timer.h>
 #include <linux/ioport.h>
 #include <scsi/scsi.h>
 #include <linux/major.h>
@@ -125,8 +124,6 @@
     if (!info) return NULL;
     memset(info, 0, sizeof(*info));
     link = &info->link; link->priv = info;
-    link->release.function = &fdomain_release;
-    link->release.data = (u_long)link;
 
     link->io.NumPorts1 = 0x10;
     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
@@ -179,7 +176,6 @@
     if (*linkp == NULL)
 	return;
 
-    del_timer(&link->release);
     if (link->state & DEV_CONFIG) {
 	fdomain_release((u_long)link);
 	if (link->state & DEV_STALE_CONFIG) {
@@ -350,7 +346,7 @@
     case CS_EVENT_CARD_REMOVAL:
 	link->state &= ~DEV_PRESENT;
 	if (link->state & DEV_CONFIG)
-	    mod_timer(&link->release, jiffies + HZ/20);
+	    fdomain_release((u_long)link);
 	break;
     case CS_EVENT_CARD_INSERTION:
 	link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
diff -Naur linux-2.4.22-pre6/drivers/scsi/pcmcia/nsp_cs.c linux-2.4.22-bpd/drivers/scsi/pcmcia/nsp_cs.c
--- linux-2.4.22-pre6/drivers/scsi/pcmcia/nsp_cs.c	2003-06-13 08:51:36.000000000 -0600
+++ linux-2.4.22-bpd/drivers/scsi/pcmcia/nsp_cs.c	2003-07-17 14:07:43.000000000 -0600
@@ -36,7 +36,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/timer.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>
 #include <linux/tqueue.h>
@@ -1341,10 +1340,6 @@
 	link = &info->link;
 	link->priv = info;
 
-	/* Initialize the dev_link_t structure */
-	link->release.function	 = &nsp_cs_release;
-	link->release.data	 = (u_long)link;
-
 	/* The io structure describes IO port mapping */
 	link->io.NumPorts1	 = 0x10;
 	link->io.Attributes1	 = IO_DATA_PATH_WIDTH_AUTO;
@@ -1415,7 +1410,6 @@
 		return;
 	}
 
-	del_timer(&link->release);
 	if (link->state & DEV_CONFIG) {
 		nsp_cs_release((u_long)link);
 		if (link->state & DEV_STALE_CONFIG) {
@@ -1660,7 +1654,7 @@
 		link->state &= ~DEV_PRESENT;
 		if (link->state & DEV_CONFIG) {
 			((scsi_info_t *)link->priv)->stop = 1;
-			mod_timer(&link->release, jiffies + HZ/20);
+			nsp_cs_release((u_long)link);
 		}
 		break;
 
diff -Naur linux-2.4.22-pre6/drivers/scsi/pcmcia/qlogic_stub.c linux-2.4.22-bpd/drivers/scsi/pcmcia/qlogic_stub.c
--- linux-2.4.22-pre6/drivers/scsi/pcmcia/qlogic_stub.c	2001-12-21 10:41:55.000000000 -0700
+++ linux-2.4.22-bpd/drivers/scsi/pcmcia/qlogic_stub.c	2003-07-17 14:05:36.000000000 -0600
@@ -37,7 +37,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/timer.h>
 #include <linux/ioport.h>
 #include <asm/io.h>
 #include <asm/byteorder.h>
@@ -132,8 +131,6 @@
     if (!info) return NULL;
     memset(info, 0, sizeof(*info));
     link = &info->link; link->priv = info;
-    link->release.function = &qlogic_release;
-    link->release.data = (u_long)link;
 
     link->io.NumPorts1 = 16;
     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
@@ -186,7 +183,6 @@
     if (*linkp == NULL)
 	return;
 
-    del_timer(&link->release);
     if (link->state & DEV_CONFIG) {
 	qlogic_release((u_long)link);
 	if (link->state & DEV_STALE_CONFIG) {
@@ -371,7 +367,7 @@
     case CS_EVENT_CARD_REMOVAL:
 	link->state &= ~DEV_PRESENT;
 	if (link->state & DEV_CONFIG)
-	    mod_timer(&link->release, jiffies + HZ/20);
+	    qlogic_release((u_long)link);
 	break;
     case CS_EVENT_CARD_INSERTION:
 	link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
