X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fide-generic.c;h=2d92214096ab9fca7b1e5f85865757366a57a97d;hb=464b3286b4aa459059c6fda85ba55185fd21d9fc;hp=9134488ac043ad72be9cb43a9196d5eca3704cb7;hpb=f7f866eed01b7a03dd5aa36daf3c2c2721f922da;p=linux-2.6

diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 9134488ac0..2d92214096 100644
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -22,6 +22,10 @@
 
 #define DRV_NAME	"ide_generic"
 
+static int probe_mask = 0x03;
+module_param(probe_mask, int, 0);
+MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports");
+
 static ssize_t store_add(struct class *cls, const char *buf, size_t n)
 {
 	ide_hwif_t *hwif;
@@ -89,6 +93,9 @@ static int __init ide_generic_init(void)
 	u8 idx[MAX_HWIFS];
 	int i;
 
+	printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module "
+			 "parameter for probing all legacy ISA IDE ports\n");
+
 	for (i = 0; i < MAX_HWIFS; i++) {
 		ide_hwif_t *hwif;
 		unsigned long io_addr = ide_default_io_base(i);
@@ -96,7 +103,7 @@ static int __init ide_generic_init(void)
 
 		idx[i] = 0xff;
 
-		if (io_addr) {
+		if ((probe_mask & (1 << i)) && io_addr) {
 			if (!request_region(io_addr, 8, DRV_NAME)) {
 				printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX "
 						"not free.\n",