add -I option, ``Don't get and use a list of free

IRQs from kernel.''..

With IBM ThinkPad600.  ``sio1'' was disabled in BIOS
and irq 3 was free (also not listed in dmesg), I think.
But I could not use irq 3 for PC-Card with new(PIOCSRESOURCE
ioctl enabled) pccardd.

usr.sbin/pccard/pccardd/cardd.c

@@ -528,7 +528,8 @@ assign_driver(struct card *cp)
 				perror("ioctl (PIOCSRESOURCE)");
 				exit(1);
 			}
-			if (pool_irq[i] && res.resource_addr == i) {
+			if (pool_irq[i]
+			    && (res.resource_addr == i || !use_kern_irq)) {
 				conf->irq = i;
 				pool_irq[i] = 0;
 				break;

usr.sbin/pccard/pccardd/cardd.h

@@ -154,6 +154,7 @@ EXTERN bitstr_t *mem_init;
 EXTERN bitstr_t *io_avail;
 EXTERN bitstr_t *io_init;
 EXTERN int pccard_init_sleep;			/* Time to sleep on init */
+EXTERN int use_kern_irq;
 EXTERN int debug_level;
 
 /* cardd.c functions */

usr.sbin/pccard/pccardd/pccardd.8

@@ -37,6 +37,7 @@
 .Op Fl v
 .Op Fl z
 .Op Fl i Ar IRQ
+.Op Fl I 
 .Op Fl f Ar configfile
 .Sh DESCRIPTION
 .Nm Pccardd
@@ -135,6 +136,8 @@ After reading the configuration file, print out a summary
 of it.
 .It Fl z
 Delays running as a daemon until after the cards have been probed and attached.
+.It Fl I
+Don't get a list of free IRQs from kernel.
 .It Fl i Ar IRQ
 Configures an available IRQ.  It overrides the "irq" line in
 .Pa /etc/defaults/pccard.conf

usr.sbin/pccard/pccardd/pccardd.c

@@ -161,14 +161,18 @@ main(int argc, char *argv[])
 	int irq_specified = 0;
 	int i;
 	struct sockaddr_un sun;
-#define	COM_OPTS	":dvf:s:i:z"
+#define	COM_OPTS	":Idvf:s:i:z"
 
 	bzero(irq_arg, sizeof(irq_arg));
+	use_kern_irq = 1;
 	debug_level = 0;
 	pccard_init_sleep = 5000000;
 	cards = last_card = 0;
 	while ((count = getopt(argc, argv, COM_OPTS)) != -1) {
 		switch (count) {
+		case 'I':
+			use_kern_irq = 0;
+			break;
 		case 'd':
 			setbuf(stdout, 0);
 			setbuf(stderr, 0);