Merge branch 'pcmcia-error' into pcmcia

8 files changed, 326 insertions, 287 deletions

diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c
index 911ca0e8dfc2..db77e1f3309a 100644
--- a/drivers/pcmcia/cardbus.c
+++ b/drivers/pcmcia/cardbus.c
@@ -238,7 +238,7 @@ int __ref cb_alloc(struct pcmcia_socket * s)
 	pci_bus_add_devices(bus);
 
 	s->irq.AssignedIRQ = s->pci_irq;
-	return CS_SUCCESS;
+	return 0;
 }
 
 void cb_free(struct pcmcia_socket * s)
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index fe789e0e7ada..891e4e71e960 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -352,7 +352,9 @@ int verify_cis_cache(struct pcmcia_socket *s)
 
 	buf = kmalloc(256, GFP_KERNEL);
 	if (buf == NULL)
-		return -1;
+		dev_printk(KERN_WARNING, &s->dev,
+			   "no memory for verifying CIS\n");
+		return -ENOMEM;
 	list_for_each_entry(cis, &s->cis_cache, node) {
 		int len = cis->len;
 
@@ -384,15 +386,19 @@ int verify_cis_cache(struct pcmcia_socket *s)
 int pcmcia_replace_cis(struct pcmcia_socket *s,
 		       const u8 *data, const size_t len)
 {
-    if (len > CISTPL_MAX_CIS_SIZE)
-	return CS_BAD_SIZE;
-    kfree(s->fake_cis);
-    s->fake_cis = kmalloc(len, GFP_KERNEL);
-    if (s->fake_cis == NULL)
-	return CS_OUT_OF_RESOURCE;
-    s->fake_cis_len = len;
-    memcpy(s->fake_cis, data, len);
-    return CS_SUCCESS;
+	if (len > CISTPL_MAX_CIS_SIZE) {
+		dev_printk(KERN_WARNING, &s->dev, "replacement CIS too big\n");
+		return -EINVAL;
+	}
+	kfree(s->fake_cis);
+	s->fake_cis = kmalloc(len, GFP_KERNEL);
+	if (s->fake_cis == NULL) {
+		dev_printk(KERN_WARNING, &s->dev, "no memory to replace CIS\n");
+		return -ENOMEM;
+	}
+	s->fake_cis_len = len;
+	memcpy(s->fake_cis, data, len);
+	return 0;
 }
 EXPORT_SYMBOL(pcmcia_replace_cis);
 
@@ -419,9 +425,9 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int func, tuple_t *t
 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple)
 {
     if (!s)
-	return CS_BAD_HANDLE;
+	return -EINVAL;
     if (!(s->state & SOCKET_PRESENT))
-	return CS_NO_CARD;
+	return -ENODEV;
     tuple->TupleLink = tuple->Flags = 0;
 #ifdef CONFIG_CARDBUS
     if (s->state & SOCKET_CARDBUS) {
@@ -441,10 +447,10 @@ int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple
 	!(tuple->Attributes & TUPLE_RETURN_COMMON)) {
 	cisdata_t req = tuple->DesiredTuple;
 	tuple->DesiredTuple = CISTPL_LONGLINK_MFC;
-	if (pccard_get_next_tuple(s, function, tuple) == CS_SUCCESS) {
+	if (pccard_get_next_tuple(s, function, tuple) == 0) {
 	    tuple->DesiredTuple = CISTPL_LINKTARGET;
-	    if (pccard_get_next_tuple(s, function, tuple) != CS_SUCCESS)
-		return CS_NO_MORE_ITEMS;
+	    if (pccard_get_next_tuple(s, function, tuple) != 0)
+		return -ENOSPC;
 	} else
 	    tuple->CISOffset = tuple->TupleLink = 0;
 	tuple->DesiredTuple = req;
@@ -499,9 +505,9 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_
     int ofs, i, attr;
 
     if (!s)
-	return CS_BAD_HANDLE;
+	return -EINVAL;
     if (!(s->state & SOCKET_PRESENT))
-	return CS_NO_CARD;
+	return -ENODEV;
 
     link[1] = tuple->TupleLink;
     ofs = tuple->CISOffset + tuple->TupleLink;
@@ -520,7 +526,7 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_
 	/* End of chain?  Follow long link if possible */
 	if (link[0] == CISTPL_END) {
 	    if ((ofs = follow_link(s, tuple)) < 0)
-		return CS_NO_MORE_ITEMS;
+		return -ENOSPC;
 	    attr = SPACE(tuple->Flags);
 	    read_cis_cache(s, attr, ofs, 2, link);
 	}
@@ -578,13 +584,13 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_
     }
     if (i == MAX_TUPLES) {
 	cs_dbg(s, 1, "cs: overrun in pcmcia_get_next_tuple\n");
-	return CS_NO_MORE_ITEMS;
+	return -ENOSPC;
     }
     
     tuple->TupleCode = link[0];
     tuple->TupleLink = link[1];
     tuple->CISOffset = ofs + 2;
-    return CS_SUCCESS;
+    return 0;
 }
 EXPORT_SYMBOL(pccard_get_next_tuple);
 
@@ -597,18 +603,18 @@ int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple)
     u_int len;
 
     if (!s)
-	return CS_BAD_HANDLE;
+	return -EINVAL;
 
     if (tuple->TupleLink < tuple->TupleOffset)
-	return CS_NO_MORE_ITEMS;
+	return -ENOSPC;
     len = tuple->TupleLink - tuple->TupleOffset;
     tuple->TupleDataLen = tuple->TupleLink;
     if (len == 0)
-	return CS_SUCCESS;
+	return 0;
     read_cis_cache(s, SPACE(tuple->Flags),
 		   tuple->CISOffset + tuple->TupleOffset,
 		   _MIN(len, tuple->TupleDataMax), tuple->TupleData);
-    return CS_SUCCESS;
+    return 0;
 }
 EXPORT_SYMBOL(pccard_get_tuple_data);
 
@@ -641,25 +647,25 @@ static int parse_device(tuple_t *tuple, cistpl_device_t *device)
 	case 3: device->dev[i].speed = 150; break;
 	case 4: device->dev[i].speed = 100; break;
 	case 7:
-	    if (++p == q) return CS_BAD_TUPLE;
+	    if (++p == q) return -EINVAL;
 	    device->dev[i].speed = SPEED_CVT(*p);
 	    while (*p & 0x80)
-		if (++p == q) return CS_BAD_TUPLE;
+		if (++p == q) return -EINVAL;
 	    break;
 	default:
-	    return CS_BAD_TUPLE;
+	    return -EINVAL;
 	}
 
-	if (++p == q) return CS_BAD_TUPLE;
+	if (++p == q) return -EINVAL;
 	if (*p == 0xff) break;
 	scale = *p & 7;
-	if (scale == 7) return CS_BAD_TUPLE;
+	if (scale == 7) return -EINVAL;
 	device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
 	device->ndev++;
 	if (++p == q) break;
     }
     
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -668,12 +674,12 @@ static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum)
 {
     u_char *p;
     if (tuple->TupleDataLen < 5)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     p = (u_char *) tuple->TupleData;
     csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2;
     csum->len = get_unaligned_le16(p + 2);
     csum->sum = *(p + 4);
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -681,9 +687,9 @@ static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum)
 static int parse_longlink(tuple_t *tuple, cistpl_longlink_t *link)
 {
     if (tuple->TupleDataLen < 4)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     link->addr = get_unaligned_le32(tuple->TupleData);
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -698,13 +704,13 @@ static int parse_longlink_mfc(tuple_t *tuple,
     
     link->nfn = *p; p++;
     if (tuple->TupleDataLen <= link->nfn*5)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     for (i = 0; i < link->nfn; i++) {
 	link->fn[i].space = *p; p++;
 	link->fn[i].addr = get_unaligned_le32(p);
 	p += 4;
     }
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -714,7 +720,7 @@ static int parse_strings(u_char *p, u_char *q, int max,
 {
     int i, j, ns;
 
-    if (p == q) return CS_BAD_TUPLE;
+    if (p == q) return -EINVAL;
     ns = 0; j = 0;
     for (i = 0; i < max; i++) {
 	if (*p == 0xff) break;
@@ -723,15 +729,15 @@ static int parse_strings(u_char *p, u_char *q, int max,
 	for (;;) {
 	    s[j++] = (*p == 0xff) ? '\0' : *p;
 	    if ((*p == '\0') || (*p == 0xff)) break;
-	    if (++p == q) return CS_BAD_TUPLE;
+	    if (++p == q) return -EINVAL;
 	}
 	if ((*p == 0xff) || (++p == q)) break;
     }
     if (found) {
 	*found = ns;
-	return CS_SUCCESS;
+	return 0;
     } else {
-	return (ns == max) ? CS_SUCCESS : CS_BAD_TUPLE;
+	return (ns == max) ? 0 : -EINVAL;
     }
 }
 
@@ -746,7 +752,7 @@ static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1)
     
     vers_1->major = *p; p++;
     vers_1->minor = *p; p++;
-    if (p >= q) return CS_BAD_TUPLE;
+    if (p >= q) return -EINVAL;
 
     return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS,
 			 vers_1->str, vers_1->ofs, &vers_1->ns);
@@ -782,7 +788,7 @@ static int parse_jedec(tuple_t *tuple, cistpl_jedec_t *jedec)
 	p += 2;
     }
     jedec->nid = nid;
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -790,10 +796,10 @@ static int parse_jedec(tuple_t *tuple, cistpl_jedec_t *jedec)
 static int parse_manfid(tuple_t *tuple, cistpl_manfid_t *m)
 {
     if (tuple->TupleDataLen < 4)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     m->manf = get_unaligned_le16(tuple->TupleData);
     m->card = get_unaligned_le16(tuple->TupleData + 2);
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -802,11 +808,11 @@ static int parse_funcid(tuple_t *tuple, cistpl_funcid_t *f)
 {
     u_char *p;
     if (tuple->TupleDataLen < 2)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     p = (u_char *)tuple->TupleData;
     f->func = p[0];
     f->sysinit = p[1];
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -816,12 +822,12 @@ static int parse_funce(tuple_t *tuple, cistpl_funce_t *f)
     u_char *p;
     int i;
     if (tuple->TupleDataLen < 1)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     p = (u_char *)tuple->TupleData;
     f->type = p[0];
     for (i = 1; i < tuple->TupleDataLen; i++)
 	f->data[i-1] = p[i];
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -835,7 +841,7 @@ static int parse_config(tuple_t *tuple, cistpl_config_t *config)
     rasz = *p & 0x03;
     rmsz = (*p & 0x3c) >> 2;
     if (tuple->TupleDataLen < rasz+rmsz+4)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     config->last_idx = *(++p);
     p++;
     config->base = 0;
@@ -847,7 +853,7 @@ static int parse_config(tuple_t *tuple, cistpl_config_t *config)
     for (i = 0; i <= rmsz; i++)
 	config->rmask[i>>2] += p[i] << (8*(i%4));
     config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4);
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*======================================================================
@@ -1027,7 +1033,7 @@ static int parse_cftable_entry(tuple_t *tuple,
     if (*p & 0x40)
 	entry->flags |= CISTPL_CFTABLE_DEFAULT;
     if (*p & 0x80) {
-	if (++p == q) return CS_BAD_TUPLE;
+	if (++p == q) return -EINVAL;
 	if (*p & 0x10)
 	    entry->flags |= CISTPL_CFTABLE_BVDS;
 	if (*p & 0x20)
@@ -1041,30 +1047,30 @@ static int parse_cftable_entry(tuple_t *tuple,
 	entry->interface = 0;
 
     /* Process optional features */
-    if (++p == q) return CS_BAD_TUPLE;
+    if (++p == q) return -EINVAL;
     features = *p; p++;
 
     /* Power options */
     if ((features & 3) > 0) {
 	p = parse_power(p, q, &entry->vcc);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->vcc.present = 0;
     if ((features & 3) > 1) {
 	p = parse_power(p, q, &entry->vpp1);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->vpp1.present = 0;
     if ((features & 3) > 2) {
 	p = parse_power(p, q, &entry->vpp2);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->vpp2.present = 0;
 
     /* Timing options */
     if (features & 0x04) {
 	p = parse_timing(p, q, &entry->timing);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else {
 	entry->timing.wait = 0;
 	entry->timing.ready = 0;
@@ -1074,14 +1080,14 @@ static int parse_cftable_entry(tuple_t *tuple,
     /* I/O window options */
     if (features & 0x08) {
 	p = parse_io(p, q, &entry->io);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->io.nwin = 0;
     
     /* Interrupt options */
     if (features & 0x10) {
 	p = parse_irq(p, q, &entry->irq);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->irq.IRQInfo1 = 0;
 
@@ -1095,7 +1101,7 @@ static int parse_cftable_entry(tuple_t *tuple,
 	entry->mem.win[0].card_addr = 0;
 	entry->mem.win[0].host_addr = 0;
 	p += 2;
-	if (p > q) return CS_BAD_TUPLE;
+	if (p > q) return -EINVAL;
 	break;
     case 0x40:
 	entry->mem.nwin = 1;
@@ -1103,26 +1109,26 @@ static int parse_cftable_entry(tuple_t *tuple,
 	entry->mem.win[0].card_addr = get_unaligned_le16(p + 2) << 8;
 	entry->mem.win[0].host_addr = 0;
 	p += 4;
-	if (p > q) return CS_BAD_TUPLE;
+	if (p > q) return -EINVAL;
 	break;
     case 0x60:
 	p = parse_mem(p, q, &entry->mem);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
 	break;
     }
 
     /* Misc features */
     if (features & 0x80) {
-	if (p == q) return CS_BAD_TUPLE;
+	if (p == q) return -EINVAL;
 	entry->flags |= (*p << 8);
 	while (*p & 0x80)
-	    if (++p == q) return CS_BAD_TUPLE;
+	    if (++p == q) return -EINVAL;
 	p++;
     }
 
     entry->subtuples = q-p;
     
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -1133,12 +1139,12 @@ static int parse_bar(tuple_t *tuple, cistpl_bar_t *bar)
 {
     u_char *p;
     if (tuple->TupleDataLen < 6)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     p = (u_char *)tuple->TupleData;
     bar->attr = *p;
     p += 2;
     bar->size = get_unaligned_le32(p);
-    return CS_SUCCESS;
+    return 0;
 }
 
 static int parse_config_cb(tuple_t *tuple, cistpl_config_t *config)
@@ -1147,12 +1153,12 @@ static int parse_config_cb(tuple_t *tuple, cistpl_config_t *config)
     
     p = (u_char *)tuple->TupleData;
     if ((*p != 3) || (tuple->TupleDataLen < 6))
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     config->last_idx = *(++p);
     p++;
     config->base = get_unaligned_le32(p);
     config->subtuples = tuple->TupleDataLen - 6;
-    return CS_SUCCESS;
+    return 0;
 }
 
 static int parse_cftable_entry_cb(tuple_t *tuple,
@@ -1168,29 +1174,29 @@ static int parse_cftable_entry_cb(tuple_t *tuple,
 	entry->flags |= CISTPL_CFTABLE_DEFAULT;
 
     /* Process optional features */
-    if (++p == q) return CS_BAD_TUPLE;
+    if (++p == q) return -EINVAL;
     features = *p; p++;
 
     /* Power options */
     if ((features & 3) > 0) {
 	p = parse_power(p, q, &entry->vcc);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->vcc.present = 0;
     if ((features & 3) > 1) {
 	p = parse_power(p, q, &entry->vpp1);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->vpp1.present = 0;
     if ((features & 3) > 2) {
 	p = parse_power(p, q, &entry->vpp2);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->vpp2.present = 0;
 
     /* I/O window options */
     if (features & 0x08) {
-	if (p == q) return CS_BAD_TUPLE;
+	if (p == q) return -EINVAL;
 	entry->io = *p; p++;
     } else
 	entry->io = 0;
@@ -1198,32 +1204,32 @@ static int parse_cftable_entry_cb(tuple_t *tuple,
     /* Interrupt options */
     if (features & 0x10) {
 	p = parse_irq(p, q, &entry->irq);
-	if (p == NULL) return CS_BAD_TUPLE;
+	if (p == NULL) return -EINVAL;
     } else
 	entry->irq.IRQInfo1 = 0;
 
     if (features & 0x20) {
-	if (p == q) return CS_BAD_TUPLE;
+	if (p == q) return -EINVAL;
 	entry->mem = *p; p++;
     } else
 	entry->mem = 0;
 
     /* Misc features */
     if (features & 0x80) {
-	if (p == q) return CS_BAD_TUPLE;
+	if (p == q) return -EINVAL;
 	entry->flags |= (*p << 8);
 	if (*p & 0x80) {
-	    if (++p == q) return CS_BAD_TUPLE;
+	    if (++p == q) return -EINVAL;
 	    entry->flags |= (*p << 16);
 	}
 	while (*p & 0x80)
-	    if (++p == q) return CS_BAD_TUPLE;
+	    if (++p == q) return -EINVAL;
 	p++;
     }
 
     entry->subtuples = q-p;
     
-    return CS_SUCCESS;
+    return 0;
 }
 
 #endif
@@ -1249,7 +1255,7 @@ static int parse_device_geo(tuple_t *tuple, cistpl_device_geo_t *geo)
 	p += 6;
     }
     geo->ngeo = n;
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -1259,7 +1265,7 @@ static int parse_vers_2(tuple_t *tuple, cistpl_vers_2_t *v2)
     u_char *p, *q;
 
     if (tuple->TupleDataLen < 10)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     
     p = tuple->TupleData;
     q = p + tuple->TupleDataLen;
@@ -1283,15 +1289,15 @@ static int parse_org(tuple_t *tuple, cistpl_org_t *org)
     
     p = tuple->TupleData;
     q = p + tuple->TupleDataLen;
-    if (p == q) return CS_BAD_TUPLE;
+    if (p == q) return -EINVAL;
     org->data_org = *p;
-    if (++p == q) return CS_BAD_TUPLE;
+    if (++p == q) return -EINVAL;
     for (i = 0; i < 30; i++) {
 	org->desc[i] = *p;
 	if (*p == '\0') break;
-	if (++p == q) return CS_BAD_TUPLE;
+	if (++p == q) return -EINVAL;
     }
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
@@ -1301,7 +1307,7 @@ static int parse_format(tuple_t *tuple, cistpl_format_t *fmt)
     u_char *p;
 
     if (tuple->TupleDataLen < 10)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
 
     p = tuple->TupleData;
 
@@ -1310,17 +1316,17 @@ static int parse_format(tuple_t *tuple, cistpl_format_t *fmt)
     fmt->offset = get_unaligned_le32(p + 2);
     fmt->length = get_unaligned_le32(p + 6);
 
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*====================================================================*/
 
 int pccard_parse_tuple(tuple_t *tuple, cisparse_t *parse)
 {
-    int ret = CS_SUCCESS;
+    int ret = 0;
     
     if (tuple->TupleDataLen > tuple->TupleDataMax)
-	return CS_BAD_TUPLE;
+	return -EINVAL;
     switch (tuple->TupleCode) {
     case CISTPL_DEVICE:
     case CISTPL_DEVICE_A:
@@ -1388,12 +1394,14 @@ int pccard_parse_tuple(tuple_t *tuple, cisparse_t *parse)
 	break;
     case CISTPL_NO_LINK:
     case CISTPL_LINKTARGET:
-	ret = CS_SUCCESS;
+	ret = 0;
 	break;
     default:
-	ret = CS_UNSUPPORTED_FUNCTION;
+	ret = -EINVAL;
 	break;
     }
+    if (ret)
+	    cs_dbg(s, 0, "parse_tuple failed %d\n", ret);
     return ret;
 }
 EXPORT_SYMBOL(pccard_parse_tuple);
@@ -1411,17 +1419,19 @@ int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t
     int ret;
 
     buf = kmalloc(256, GFP_KERNEL);
-    if (buf == NULL)
-	return CS_OUT_OF_RESOURCE;
+    if (buf == NULL) {
+	    dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n");
+	    return -ENOMEM;
+    }
     tuple.DesiredTuple = code;
     tuple.Attributes = TUPLE_RETURN_COMMON;
     ret = pccard_get_first_tuple(s, function, &tuple);
-    if (ret != CS_SUCCESS) goto done;
+    if (ret != 0) goto done;
     tuple.TupleData = buf;
     tuple.TupleOffset = 0;
     tuple.TupleDataMax = 255;
     ret = pccard_get_tuple_data(s, &tuple);
-    if (ret != CS_SUCCESS) goto done;
+    if (ret != 0) goto done;
     ret = pccard_parse_tuple(&tuple, parse);
 done:
     kfree(buf);
@@ -1447,37 +1457,40 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, unsigned
     int ret, reserved, dev_ok = 0, ident_ok = 0;
 
     if (!s)
-	return CS_BAD_HANDLE;
+	return -EINVAL;
 
     tuple = kmalloc(sizeof(*tuple), GFP_KERNEL);
-    if (tuple == NULL)
-	return CS_OUT_OF_RESOURCE;
+    if (tuple == NULL) {
+	    dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n");
+	    return -ENOMEM;
+    }
     p = kmalloc(sizeof(*p), GFP_KERNEL);
     if (p == NULL) {
-	kfree(tuple);
-	return CS_OUT_OF_RESOURCE;
+	    kfree(tuple);
+	    dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n");
+	    return -ENOMEM;
     }
 
     count = reserved = 0;
     tuple->DesiredTuple = RETURN_FIRST_TUPLE;
     tuple->Attributes = TUPLE_RETURN_COMMON;
     ret = pccard_get_first_tuple(s, function, tuple);
-    if (ret != CS_SUCCESS)
+    if (ret != 0)
 	goto done;
 
     /* First tuple should be DEVICE; we should really have either that
        or a CFTABLE_ENTRY of some sort */
     if ((tuple->TupleCode == CISTPL_DEVICE) ||
-	(pccard_read_tuple(s, function, CISTPL_CFTABLE_ENTRY, p) == CS_SUCCESS) ||
-	(pccard_read_tuple(s, function, CISTPL_CFTABLE_ENTRY_CB, p) == CS_SUCCESS))
+	(pccard_read_tuple(s, function, CISTPL_CFTABLE_ENTRY, p) == 0) ||
+	(pccard_read_tuple(s, function, CISTPL_CFTABLE_ENTRY_CB, p) == 0))
 	dev_ok++;
 
     /* All cards should have a MANFID tuple, and/or a VERS_1 or VERS_2
        tuple, for card identification.  Certain old D-Link and Linksys
        cards have only a broken VERS_2 tuple; hence the bogus test. */
-    if ((pccard_read_tuple(s, function, CISTPL_MANFID, p) == CS_SUCCESS) ||
-	(pccard_read_tuple(s, function, CISTPL_VERS_1, p) == CS_SUCCESS) ||
-	(pccard_read_tuple(s, function, CISTPL_VERS_2, p) != CS_NO_MORE_ITEMS))
+    if ((pccard_read_tuple(s, function, CISTPL_MANFID, p) == 0) ||
+	(pccard_read_tuple(s, function, CISTPL_VERS_1, p) == 0) ||
+	(pccard_read_tuple(s, function, CISTPL_VERS_2, p) != -ENOSPC))
 	ident_ok++;
 
     if (!dev_ok && !ident_ok)
@@ -1485,7 +1498,7 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, unsigned
 
     for (count = 1; count < MAX_TUPLES; count++) {
 	ret = pccard_get_next_tuple(s, function, tuple);
-	if (ret != CS_SUCCESS) break;
+	if (ret != 0) break;
 	if (((tuple->TupleCode > 0x23) && (tuple->TupleCode < 0x40)) ||
 	    ((tuple->TupleCode > 0x47) && (tuple->TupleCode < 0x80)) ||
 	    ((tuple->TupleCode > 0x90) && (tuple->TupleCode < 0xff)))
@@ -1500,6 +1513,6 @@ done:
 	    *info = count;
     kfree(tuple);
     kfree(p);
-    return CS_SUCCESS;
+    return 0;
 }
 EXPORT_SYMBOL(pccard_validate_cis);
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index ceb2b0c39a6f..fcc61459e512 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -367,16 +367,16 @@ static int socket_reset(struct pcmcia_socket *skt)
 		skt->ops->get_status(skt, &status);
 
 		if (!(status & SS_DETECT))
-			return CS_NO_CARD;
+			return -ENODEV;
 
 		if (status & SS_READY)
-			return CS_SUCCESS;
+			return 0;
 
 		msleep(unreset_check * 10);
 	}
 
 	cs_err(skt, "time out after reset.\n");
-	return CS_GENERAL_FAILURE;
+	return -ETIMEDOUT;
 }
 
 /*
@@ -428,14 +428,14 @@ static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
 
 	skt->ops->get_status(skt, &status);
 	if (!(status & SS_DETECT))
-		return CS_NO_CARD;
+		return -ENODEV;
 
 	msleep(initial_delay * 10);
 
 	for (i = 0; i < 100; i++) {
 		skt->ops->get_status(skt, &status);
 		if (!(status & SS_DETECT))
-			return CS_NO_CARD;
+			return -ENODEV;
 
 		if (!(status & SS_PENDING))
 			break;
@@ -445,13 +445,13 @@ static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
 
 	if (status & SS_PENDING) {
 		cs_err(skt, "voltage interrogation timed out.\n");
-		return CS_GENERAL_FAILURE;
+		return -ETIMEDOUT;
 	}
 
 	if (status & SS_CARDBUS) {
 		if (!(skt->features & SS_CAP_CARDBUS)) {
 			cs_err(skt, "cardbus cards are not supported.\n");
-			return CS_BAD_TYPE;
+			return -EINVAL;
 		}
 		skt->state |= SOCKET_CARDBUS;
 	}
@@ -465,7 +465,7 @@ static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
 		skt->socket.Vcc = skt->socket.Vpp = 50;
 	else {
 		cs_err(skt, "unsupported voltage key.\n");
-		return CS_BAD_TYPE;
+		return -EIO;
 	}
 
 	if (skt->power_hook)
@@ -482,7 +482,7 @@ static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
 	skt->ops->get_status(skt, &status);
 	if (!(status & SS_POWERON)) {
 		cs_err(skt, "unable to apply power.\n");
-		return CS_BAD_TYPE;
+		return -EIO;
 	}
 
 	status = socket_reset(skt);
@@ -504,10 +504,10 @@ static int socket_insert(struct pcmcia_socket *skt)
 	cs_dbg(skt, 4, "insert\n");
 
 	if (!cs_socket_get(skt))
-		return CS_NO_CARD;
+		return -ENODEV;
 
 	ret = socket_setup(skt, setup_delay);
-	if (ret == CS_SUCCESS) {
+	if (ret == 0) {
 		skt->state |= SOCKET_PRESENT;
 
 		dev_printk(KERN_NOTICE, &skt->dev,
@@ -534,7 +534,7 @@ static int socket_insert(struct pcmcia_socket *skt)
 static int socket_suspend(struct pcmcia_socket *skt)
 {
 	if (skt->state & SOCKET_SUSPEND)
-		return CS_IN_USE;
+		return -EBUSY;
 
 	send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW);
 	skt->socket = dead_socket;
@@ -543,7 +543,7 @@ static int socket_suspend(struct pcmcia_socket *skt)
 		skt->ops->suspend(skt);
 	skt->state |= SOCKET_SUSPEND;
 
-	return CS_SUCCESS;
+	return 0;
 }
 
 /*
@@ -556,7 +556,7 @@ static int socket_resume(struct pcmcia_socket *skt)
 	int ret;
 
 	if (!(skt->state & SOCKET_SUSPEND))
-		return CS_IN_USE;
+		return -EBUSY;
 
 	skt->socket = dead_socket;
 	skt->ops->init(skt);
@@ -568,7 +568,7 @@ static int socket_resume(struct pcmcia_socket *skt)
 	}
 
 	ret = socket_setup(skt, resume_delay);
-	if (ret == CS_SUCCESS) {
+	if (ret == 0) {
 		/*
 		 * FIXME: need a better check here for cardbus cards.
 		 */
@@ -593,7 +593,7 @@ static int socket_resume(struct pcmcia_socket *skt)
 
 	skt->state &= ~SOCKET_SUSPEND;
 
-	return CS_SUCCESS;
+	return 0;
 }
 
 static void socket_remove(struct pcmcia_socket *skt)
@@ -761,15 +761,15 @@ int pccard_reset_card(struct pcmcia_socket *skt)
 	mutex_lock(&skt->skt_mutex);
 	do {
 		if (!(skt->state & SOCKET_PRESENT)) {
-			ret = CS_NO_CARD;
+			ret = -ENODEV;
 			break;
 		}
 		if (skt->state & SOCKET_SUSPEND) {
-			ret = CS_IN_USE;
+			ret = -EBUSY;
 			break;
 		}
 		if (skt->state & SOCKET_CARDBUS) {
-			ret = CS_UNSUPPORTED_FUNCTION;
+			ret = -EPERM;
 			break;
 		}
 
@@ -778,14 +778,14 @@ int pccard_reset_card(struct pcmcia_socket *skt)
 			send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW);
 			if (skt->callback)
 				skt->callback->suspend(skt);
-			if (socket_reset(skt) == CS_SUCCESS) {
+			if (socket_reset(skt) == 0) {
 				send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW);
 				if (skt->callback)
 					skt->callback->resume(skt);
 			}
 		}
 
-		ret = CS_SUCCESS;
+		ret = 0;
 	} while (0);
 	mutex_unlock(&skt->skt_mutex);
 
@@ -806,11 +806,11 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt)
 	mutex_lock(&skt->skt_mutex);
 	do {
 		if (!(skt->state & SOCKET_PRESENT)) {
-			ret = CS_NO_CARD;
+			ret = -ENODEV;
 			break;
 		}
 		if (skt->state & SOCKET_CARDBUS) {
-			ret = CS_UNSUPPORTED_FUNCTION;
+			ret = -EPERM;
 			break;
 		}
 		if (skt->callback) {
@@ -836,11 +836,11 @@ int pcmcia_resume_card(struct pcmcia_socket *skt)
 	mutex_lock(&skt->skt_mutex);
 	do {
 		if (!(skt->state & SOCKET_PRESENT)) {
-			ret = CS_NO_CARD;
+			ret = -ENODEV;
 			break;
 		}
 		if (skt->state & SOCKET_CARDBUS) {
-			ret = CS_UNSUPPORTED_FUNCTION;
+			ret = -EPERM;
 			break;
 		}
 		ret = socket_resume(skt);
@@ -896,7 +896,7 @@ int pcmcia_insert_card(struct pcmcia_socket *skt)
 			ret = -EBUSY;
 			break;
 		}
-		if (socket_insert(skt) == CS_NO_CARD) {
+		if (socket_insert(skt) == -ENODEV) {
 			ret = -ENODEV;
 			break;
 		}
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 5f08915045db..229983a72fb0 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -74,37 +74,14 @@ typedef struct lookup_t {
 } lookup_t;
 
 static const lookup_t error_table[] = {
-    { CS_SUCCESS,		"Operation succeeded" },
-    { CS_BAD_ADAPTER,		"Bad adapter" },
-    { CS_BAD_ATTRIBUTE, 	"Bad attribute", },
-    { CS_BAD_BASE,		"Bad base address" },
-    { CS_BAD_EDC,		"Bad EDC" },
-    { CS_BAD_IRQ,		"Bad IRQ" },
-    { CS_BAD_OFFSET,		"Bad offset" },
-    { CS_BAD_PAGE,		"Bad page number" },
-    { CS_READ_FAILURE,		"Read failure" },
-    { CS_BAD_SIZE,		"Bad size" },
-    { CS_BAD_SOCKET,		"Bad socket" },
-    { CS_BAD_TYPE,		"Bad type" },
-    { CS_BAD_VCC,		"Bad Vcc" },
-    { CS_BAD_VPP,		"Bad Vpp" },
-    { CS_BAD_WINDOW,		"Bad window" },
-    { CS_WRITE_FAILURE,		"Write failure" },
-    { CS_NO_CARD,		"No card present" },
-    { CS_UNSUPPORTED_FUNCTION,	"Usupported function" },
-    { CS_UNSUPPORTED_MODE,	"Unsupported mode" },
-    { CS_BAD_SPEED,		"Bad speed" },
-    { CS_BUSY,			"Resource busy" },
-    { CS_GENERAL_FAILURE,	"General failure" },
-    { CS_WRITE_PROTECTED,	"Write protected" },
-    { CS_BAD_ARG_LENGTH,	"Bad argument length" },
-    { CS_BAD_ARGS,		"Bad arguments" },
-    { CS_CONFIGURATION_LOCKED,	"Configuration locked" },
-    { CS_IN_USE,		"Resource in use" },
-    { CS_NO_MORE_ITEMS,		"No more items" },
-    { CS_OUT_OF_RESOURCE,	"Out of resource" },
-    { CS_BAD_HANDLE,		"Bad handle" },
-    { CS_BAD_TUPLE,		"Bad CIS tuple" }
+    { 0,			"Operation succeeded" },
+    { -EIO,			"Input/Output error" },
+    { -ENODEV,			"No card present" },
+    { -EINVAL,			"Bad parameter" },
+    { -EACCES,			"Configuration locked" },
+    { -EBUSY,			"Resource in use" },
+    { -ENOSPC,			"No more items" },
+    { -ENOMEM,			"Out of resource" },
 };
 
 
@@ -187,7 +164,7 @@ static int pcmcia_report_error(struct pcmcia_device *p_dev, error_info_t *err)
 	else
 		printk("%s: Unknown error code %#x\n", serv, err->retcode);
 
-	return CS_SUCCESS;
+	return 0;
 } /* report_error */
 
 /* end of code which was in cs.c before */
diff --git a/drivers/pcmcia/ds_internal.h b/drivers/pcmcia/ds_internal.h
index 3a2b25e6ed73..fc1d3ddc54f7 100644
--- a/drivers/pcmcia/ds_internal.h
+++ b/drivers/pcmcia/ds_internal.h
@@ -19,5 +19,5 @@ extern int handle_request(struct pcmcia_socket *s, event_t event);
 static inline void __init pcmcia_setup_ioctl(void) { return; }
 static inline void __exit pcmcia_cleanup_ioctl(void) { return; }
 static inline void handle_event(struct pcmcia_socket *s, event_t event) { return; }
-static inline int handle_request(struct pcmcia_socket *s, event_t event) { return CS_SUCCESS; }
+static inline int handle_request(struct pcmcia_socket *s, event_t event) { return 0; }
 #endif
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index d00d99166361..3a2f5ab6cf77 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -149,7 +149,7 @@ static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
 
 	irq = adj->resource.irq.IRQ;
 	if ((irq < 0) || (irq > 15))
-		return CS_BAD_IRQ;
+		return -EINVAL;
 
 	if (adj->Action != REMOVE_MANAGED_RESOURCE)
 		return 0;
@@ -167,7 +167,7 @@ static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
 #else
 
 static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) {
-	return CS_SUCCESS;
+	return 0;
 }
 
 #endif
@@ -175,7 +175,7 @@ static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) {
 static int pcmcia_adjust_resource_info(adjust_t *adj)
 {
 	struct pcmcia_socket *s;
-	int ret = CS_UNSUPPORTED_FUNCTION;
+	int ret = -ENOSYS;
 	unsigned long flags;
 
 	down_read(&pcmcia_socket_list_rwsem);
@@ -248,7 +248,7 @@ static int pccard_get_status(struct pcmcia_socket *s,
 	if (s->state & SOCKET_SUSPEND)
 		status->CardState |= CS_EVENT_PM_SUSPEND;
 	if (!(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
+		return -ENODEV;
 
 	c = (p_dev) ? p_dev->function_config : NULL;
 
@@ -274,7 +274,7 @@ static int pccard_get_status(struct pcmcia_socket *s,
 			status->CardState |=
 				(reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0;
 		}
-		return CS_SUCCESS;
+		return 0;
 	}
 	status->CardState |=
 		(val & SS_WRPROT) ? CS_EVENT_WRITE_PROTECT : 0;
@@ -284,7 +284,7 @@ static int pccard_get_status(struct pcmcia_socket *s,
 		(val & SS_BATWARN) ? CS_EVENT_BATTERY_LOW : 0;
 	status->CardState |=
 		(val & SS_READY) ? CS_EVENT_READY_CHANGE : 0;
-	return CS_SUCCESS;
+	return 0;
 } /* pccard_get_status */
 
 int pccard_get_configuration_info(struct pcmcia_socket *s,
@@ -294,7 +294,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
 	config_t *c;
 
 	if (!(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
+		return -ENODEV;
 
 
 #ifdef CONFIG_CARDBUS
@@ -314,7 +314,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
 				config->NumPorts1 = s->io[0].res->end - config->BasePort1 + 1;
 			}
 		}
-		return CS_SUCCESS;
+		return 0;
 	}
 #endif
 
@@ -330,7 +330,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
 		config->Attributes = 0;
 		config->Vcc = s->socket.Vcc;
 		config->Vpp1 = config->Vpp2 = s->socket.Vpp;
-		return CS_SUCCESS;
+		return 0;
 	}
 
 	config->Attributes = c->Attributes | CONF_VALID_CLIENT;
@@ -354,7 +354,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
 	config->Attributes2 = c->io.Attributes2;
 	config->IOAddrLines = c->io.IOAddrLines;
 
-	return CS_SUCCESS;
+	return 0;
 } /* pccard_get_configuration_info */
 
 
@@ -835,7 +835,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
     case DS_GET_CONFIGURATION_INFO:
 	if (buf->config.Function &&
 	   (buf->config.Function >= s->functions))
-	    ret = CS_BAD_ARGS;
+	    ret = -EINVAL;
 	else {
 	    struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function);
 	    ret = pccard_get_configuration_info(s, p_dev, &buf->config);
@@ -866,7 +866,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
     case DS_GET_STATUS:
 	    if (buf->status.Function &&
 		(buf->status.Function >= s->functions))
-		    ret = CS_BAD_ARGS;
+		    ret = -EINVAL;
 	    else {
 		    struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function);
 		    ret = pccard_get_status(s, p_dev, &buf->status);
@@ -897,7 +897,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 	    goto free_out;
 	}
 
-	ret = CS_BAD_ARGS;
+	ret = -EINVAL;
 
 	if (!(buf->conf_reg.Function &&
 	     (buf->conf_reg.Function >= s->functions))) {
@@ -960,22 +960,19 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 	err = -EINVAL;
     }
 
-    if ((err == 0) && (ret != CS_SUCCESS)) {
+    if ((err == 0) && (ret != 0)) {
 	ds_dbg(2, "ds_ioctl: ret = %d\n", ret);
 	switch (ret) {
-	case CS_BAD_SOCKET: case CS_NO_CARD:
-	    err = -ENODEV; break;
-	case CS_BAD_ARGS: case CS_BAD_ATTRIBUTE: case CS_BAD_IRQ:
-	case CS_BAD_TUPLE:
-	    err = -EINVAL; break;
-	case CS_IN_USE:
-	    err = -EBUSY; break;
-	case CS_OUT_OF_RESOURCE:
+	case -ENODEV:
+	case -EINVAL:
+	case -EBUSY:
+	case -ENOSYS:
+	    err = ret;
+	    break;
+	case -ENOMEM:
 	    err = -ENOSPC; break;
-	case CS_NO_MORE_ITEMS:
+	case -ENOSPC:
 	    err = -ENODATA; break;
-	case CS_UNSUPPORTED_FUNCTION:
-	    err = -ENOSYS; break;
 	default:
 	    err = -EIO; break;
 	}
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 23d3d985fc3c..d96d54831610 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -169,13 +169,13 @@ int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
 	u_char val;
 
 	if (!p_dev || !p_dev->function_config)
-		return CS_NO_CARD;
+		return -EINVAL;
 
 	s = p_dev->socket;
 	c = p_dev->function_config;
 
 	if (!(c->state & CONFIG_LOCKED))
-		return CS_CONFIGURATION_LOCKED;
+		return -EACCES;
 
 	addr = (c->ConfigBase + reg->Offset) >> 1;
 
@@ -189,10 +189,10 @@ int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
 		pcmcia_write_cis_mem(s, 1, addr, 1, &val);
 		break;
 	default:
-		return CS_BAD_ARGS;
+		return -EINVAL;
 		break;
 	}
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_access_configuration_register */
 EXPORT_SYMBOL(pcmcia_access_configuration_register);
 
@@ -206,12 +206,12 @@ int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle,
 	int w;
 
 	if (!s || !(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
+		return -ENODEV;
 	for (w = idx; w < MAX_WIN; w++)
 		if (s->state & SOCKET_WIN_REQ(w))
 			break;
 	if (w == MAX_WIN)
-		return CS_NO_MORE_ITEMS;
+		return -EINVAL;
 	win = &s->win[w];
 	req->Base = win->ctl.res->start;
 	req->Size = win->ctl.res->end - win->ctl.res->start + 1;
@@ -226,7 +226,7 @@ int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle,
 	if (win->ctl.flags & MAP_USE_WAIT)
 		req->Attributes |= WIN_USE_WAIT;
 	*handle = win;
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_get_window */
 EXPORT_SYMBOL(pcmcia_get_window);
 
@@ -238,10 +238,10 @@ EXPORT_SYMBOL(pcmcia_get_window);
 int pcmcia_get_mem_page(window_handle_t win, memreq_t *req)
 {
 	if ((win == NULL) || (win->magic != WINDOW_MAGIC))
-		return CS_BAD_HANDLE;
+		return -EINVAL;
 	req->Page = 0;
 	req->CardOffset = win->ctl.card_start;
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_get_mem_page */
 EXPORT_SYMBOL(pcmcia_get_mem_page);
 
@@ -250,14 +250,18 @@ int pcmcia_map_mem_page(window_handle_t win, memreq_t *req)
 {
 	struct pcmcia_socket *s;
 	if ((win == NULL) || (win->magic != WINDOW_MAGIC))
-		return CS_BAD_HANDLE;
-	if (req->Page != 0)
-		return CS_BAD_PAGE;
+		return -EINVAL;
+	if (req->Page != 0) {
+		ds_dbg(s, 0, "failure: requested page is zero\n");
+		return -EINVAL;
+	}
 	s = win->sock;
 	win->ctl.card_start = req->CardOffset;
-	if (s->ops->set_mem_map(s, &win->ctl) != 0)
-		return CS_BAD_OFFSET;
-	return CS_SUCCESS;
+	if (s->ops->set_mem_map(s, &win->ctl) != 0) {
+		ds_dbg(s, 0, "failed to set_mem_map\n");
+		return -EIO;
+	}
+	return 0;
 } /* pcmcia_map_mem_page */
 EXPORT_SYMBOL(pcmcia_map_mem_page);
 
@@ -276,9 +280,9 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 	c = p_dev->function_config;
 
 	if (!(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
+		return -ENODEV;
 	if (!(c->state & CONFIG_LOCKED))
-		return CS_CONFIGURATION_LOCKED;
+		return -EACCES;
 
 	if (mod->Attributes & CONF_IRQ_CHANGE_VALID) {
 		if (mod->Attributes & CONF_ENABLE_IRQ) {
@@ -291,20 +295,28 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 		s->ops->set_socket(s, &s->socket);
 	}
 
-	if (mod->Attributes & CONF_VCC_CHANGE_VALID)
-		return CS_BAD_VCC;
+	if (mod->Attributes & CONF_VCC_CHANGE_VALID) {
+		ds_dbg(s, 0, "changing Vcc is not allowed at this time\n");
+		return -EINVAL;
+	}
 
 	/* We only allow changing Vpp1 and Vpp2 to the same value */
 	if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) &&
 	    (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
 		if (mod->Vpp1 != mod->Vpp2)
-			return CS_BAD_VPP;
+			ds_dbg(s, 0, "Vpp1 and Vpp2 must be the same\n");
+			return -EINVAL;
 		s->socket.Vpp = mod->Vpp1;
-		if (s->ops->set_socket(s, &s->socket))
-			return CS_BAD_VPP;
+		if (s->ops->set_socket(s, &s->socket)) {
+			dev_printk(KERN_WARNING, &s->dev,
+				   "Unable to set VPP\n");
+			return -EIO;
+		}
 	} else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
-		   (mod->Attributes & CONF_VPP2_CHANGE_VALID))
-		return CS_BAD_VPP;
+		   (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
+		ds_dbg(s, 0, "changing Vcc is not allowed at this time\n");
+		return -EINVAL;
+	}
 
 	if (mod->Attributes & CONF_IO_CHANGE_WIDTH) {
 		pccard_io_map io_off = { 0, 0, 0, 0, 1 };
@@ -328,7 +340,7 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 		}
 	}
 
-	return CS_SUCCESS;
+	return 0;
 } /* modify_configuration */
 EXPORT_SYMBOL(pcmcia_modify_configuration);
 
@@ -363,7 +375,7 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev)
 			}
 	}
 
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_release_configuration */
 
 
@@ -381,7 +393,7 @@ static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
 	config_t *c = p_dev->function_config;
 
 	if (!p_dev->_io )
-		return CS_BAD_HANDLE;
+		return -EINVAL;
 
 	p_dev->_io = 0;
 
@@ -389,7 +401,7 @@ static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
 	    (c->io.NumPorts1 != req->NumPorts1) ||
 	    (c->io.BasePort2 != req->BasePort2) ||
 	    (c->io.NumPorts2 != req->NumPorts2))
-		return CS_BAD_ARGS;
+		return -EINVAL;
 
 	c->state &= ~CONFIG_IO_REQ;
 
@@ -397,7 +409,7 @@ static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
 	if (req->NumPorts2)
 		release_io_space(s, req->BasePort2, req->NumPorts2);
 
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_release_io */
 
 
@@ -407,15 +419,19 @@ static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 	config_t *c= p_dev->function_config;
 
 	if (!p_dev->_irq)
-		return CS_BAD_HANDLE;
+		return -EINVAL;
 	p_dev->_irq = 0;
 
 	if (c->state & CONFIG_LOCKED)
-		return CS_CONFIGURATION_LOCKED;
-	if (c->irq.Attributes != req->Attributes)
-		return CS_BAD_ATTRIBUTE;
-	if (s->irq.AssignedIRQ != req->AssignedIRQ)
-		return CS_BAD_IRQ;
+		return -EACCES;
+	if (c->irq.Attributes != req->Attributes) {
+		ds_dbg(s, 0, "IRQ attributes must match assigned ones\n");
+		return -EINVAL;
+	}
+	if (s->irq.AssignedIRQ != req->AssignedIRQ) {
+		ds_dbg(s, 0, "IRQ must match assigned one\n");
+		return -EINVAL;
+	}
 	if (--s->irq.Config == 0) {
 		c->state &= ~CONFIG_IRQ_REQ;
 		s->irq.AssignedIRQ = 0;
@@ -429,7 +445,7 @@ static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 	pcmcia_used_irq[req->AssignedIRQ]--;
 #endif
 
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_release_irq */
 
 
@@ -438,10 +454,10 @@ int pcmcia_release_window(window_handle_t win)
 	struct pcmcia_socket *s;
 
 	if ((win == NULL) || (win->magic != WINDOW_MAGIC))
-		return CS_BAD_HANDLE;
+		return -EINVAL;
 	s = win->sock;
 	if (!(win->handle->_win & CLIENT_WIN_REQ(win->index)))
-		return CS_BAD_HANDLE;
+		return -EINVAL;
 
 	/* Shut down memory window */
 	win->ctl.flags &= ~MAP_ACTIVE;
@@ -458,7 +474,7 @@ int pcmcia_release_window(window_handle_t win)
 
 	win->magic = 0;
 
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_release_window */
 EXPORT_SYMBOL(pcmcia_release_window);
 
@@ -473,18 +489,23 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
 	pccard_io_map iomap;
 
 	if (!(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
+		return -ENODEV;;
 
-	if (req->IntType & INT_CARDBUS)
-		return CS_UNSUPPORTED_MODE;
+	if (req->IntType & INT_CARDBUS) {
+		ds_dbg(p_dev->socket, 0, "IntType may not be INT_CARDBUS\n");
+		return -EINVAL;
+	}
 	c = p_dev->function_config;
 	if (c->state & CONFIG_LOCKED)
-		return CS_CONFIGURATION_LOCKED;
+		return -EACCES;
 
 	/* Do power control.  We don't allow changes in Vcc. */
 	s->socket.Vpp = req->Vpp;
-	if (s->ops->set_socket(s, &s->socket))
-		return CS_BAD_VPP;
+	if (s->ops->set_socket(s, &s->socket)) {
+		dev_printk(KERN_WARNING, &s->dev,
+			   "Unable to set socket state\n");
+		return -EINVAL;
+	}
 
 	/* Pick memory or I/O card, DMA mode, interrupt */
 	c->IntType = req->IntType;
@@ -573,7 +594,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
 
 	c->state |= CONFIG_LOCKED;
 	p_dev->_locked = 1;
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_request_configuration */
 EXPORT_SYMBOL(pcmcia_request_configuration);
 
@@ -589,37 +610,47 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req)
 	config_t *c;
 
 	if (!(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
+		return -ENODEV;
 
 	if (!req)
-		return CS_UNSUPPORTED_MODE;
+		return -EINVAL;
 	c = p_dev->function_config;
 	if (c->state & CONFIG_LOCKED)
-		return CS_CONFIGURATION_LOCKED;
-	if (c->state & CONFIG_IO_REQ)
-		return CS_IN_USE;
-	if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))
-		return CS_BAD_ATTRIBUTE;
+		return -EACCES;
+	if (c->state & CONFIG_IO_REQ) {
+		ds_dbg(s, 0, "IO already configured\n");
+		return -EBUSY;
+	}
+	if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)) {
+		ds_dbg(s, 0, "bad attribute setting for IO region 1\n");
+		return -EINVAL;
+	}
 	if ((req->NumPorts2 > 0) &&
-	    (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)))
-		return CS_BAD_ATTRIBUTE;
+	    (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))) {
+		ds_dbg(s, 0, "bad attribute setting for IO region 2\n");
+		return -EINVAL;
+	}
 
+	ds_dbg(s, 1, "trying to allocate resource 1\n");
 	if (alloc_io_space(s, req->Attributes1, &req->BasePort1,
 			   req->NumPorts1, req->IOAddrLines))
-		return CS_IN_USE;
+		ds_dbg(s, 0, "allocation of resource 1 failed\n");
+		return -EBUSY;
 
 	if (req->NumPorts2) {
+		ds_dbg(s, 1, "trying to allocate resource 2\n");
 		if (alloc_io_space(s, req->Attributes2, &req->BasePort2,
 				   req->NumPorts2, req->IOAddrLines)) {
+			ds_dbg(s, 0, "allocation of resource 2 failed\n");
 			release_io_space(s, req->BasePort1, req->NumPorts1);
-			return CS_IN_USE;
+			return -EBUSY;
 		}
 	}
 
 	c->io = *req;
 	c->state |= CONFIG_IO_REQ;
 	p_dev->_io = 1;
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_request_io */
 EXPORT_SYMBOL(pcmcia_request_io);
 
@@ -645,16 +676,18 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 {
 	struct pcmcia_socket *s = p_dev->socket;
 	config_t *c;
-	int ret = CS_IN_USE, irq = 0;
+	int ret = -EINVAL, irq = 0;
 	int type;
 
 	if (!(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
+		return -ENODEV;
 	c = p_dev->function_config;
 	if (c->state & CONFIG_LOCKED)
-		return CS_CONFIGURATION_LOCKED;
-	if (c->state & CONFIG_IRQ_REQ)
-		return CS_IN_USE;
+		return -EACCES;
+	if (c->state & CONFIG_IRQ_REQ) {
+		ds_dbg(s, 0, "IRQ already configured\n");
+		return -EBUSY;
+	}
 
 	/* Decide what type of interrupt we are registering */
 	type = 0;
@@ -717,8 +750,9 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 	}
 
 	if (ret && (req->Attributes & IRQ_HANDLE_PRESENT)) {
-		if (request_irq(irq, req->Handler, type,  p_dev->devname, req->Instance))
-			return CS_IN_USE;
+		ret = request_irq(irq, req->Handler, type,  p_dev->devname, req->Instance);
+		if (ret)
+			return ret;
 	}
 
 	/* Make sure the fact the request type was overridden is passed back */
@@ -738,7 +772,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 	pcmcia_used_irq[irq]++;
 #endif
 
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_request_irq */
 EXPORT_SYMBOL(pcmcia_request_irq);
 
@@ -756,9 +790,11 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h
 	int w;
 
 	if (!(s->state & SOCKET_PRESENT))
-		return CS_NO_CARD;
-	if (req->Attributes & (WIN_PAGED | WIN_SHARED))
-		return CS_BAD_ATTRIBUTE;
+		return -ENODEV;
+	if (req->Attributes & (WIN_PAGED | WIN_SHARED)) {
+		ds_dbg(s, 0, "bad attribute setting for iomem region\n");
+		return -EINVAL;
+	}
 
 	/* Window size defaults to smallest available */
 	if (req->Size == 0)
@@ -766,19 +802,25 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h
 	align = (((s->features & SS_CAP_MEM_ALIGN) ||
 		  (req->Attributes & WIN_STRICT_ALIGN)) ?
 		 req->Size : s->map_size);
-	if (req->Size & (s->map_size-1))
-		return CS_BAD_SIZE;
+	if (req->Size & (s->map_size-1)) {
+		ds_dbg(s, 0, "invalid map size\n");
+		return -EINVAL;
+	}
 	if ((req->Base && (s->features & SS_CAP_STATIC_MAP)) ||
-	    (req->Base & (align-1)))
-		return CS_BAD_BASE;
+	    (req->Base & (align-1))) {
+		ds_dbg(s, 0, "invalid base address\n");
+		return -EINVAL;
+	}
 	if (req->Base)
 		align = 0;
 
 	/* Allocate system memory window */
 	for (w = 0; w < MAX_WIN; w++)
 		if (!(s->state & SOCKET_WIN_REQ(w))) break;
-	if (w == MAX_WIN)
-		return CS_OUT_OF_RESOURCE;
+	if (w == MAX_WIN) {
+		ds_dbg(s, 0, "all windows are used already\n");
+		return -EINVAL;
+	}
 
 	win = &s->win[w];
 	win->magic = WINDOW_MAGIC;
@@ -789,8 +831,10 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h
 	if (!(s->features & SS_CAP_STATIC_MAP)) {
 		win->ctl.res = pcmcia_find_mem_region(req->Base, req->Size, align,
 						      (req->Attributes & WIN_MAP_BELOW_1MB), s);
-		if (!win->ctl.res)
-			return CS_IN_USE;
+		if (!win->ctl.res) {
+			ds_dbg(s, 0, "allocating mem region failed\n");
+			return -EINVAL;
+		}
 	}
 	(*p_dev)->_win |= CLIENT_WIN_REQ(w);
 
@@ -807,8 +851,10 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h
 	if (req->Attributes & WIN_USE_WAIT)
 		win->ctl.flags |= MAP_USE_WAIT;
 	win->ctl.card_start = 0;
-	if (s->ops->set_mem_map(s, &win->ctl) != 0)
-		return CS_BAD_ARGS;
+	if (s->ops->set_mem_map(s, &win->ctl) != 0) {
+		ds_dbg(s, 0, "failed to set memory mapping\n");
+		return -EIO;
+	}
 	s->state |= SOCKET_WIN_REQ(w);
 
 	/* Return window handle */
@@ -819,7 +865,7 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h
 	}
 	*wh = win;
 
-	return CS_SUCCESS;
+	return 0;
 } /* pcmcia_request_window */
 EXPORT_SYMBOL(pcmcia_request_window);
 
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index b62bffd75578..0f1746478d86 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -122,19 +122,22 @@ static void free_region(struct resource *res)
 
 static int add_interval(struct resource_map *map, u_long base, u_long num)
 {
-    struct resource_map *p, *q;
+	struct resource_map *p, *q;
 
-    for (p = map; ; p = p->next) {
-	if ((p != map) && (p->base+p->num-1 >= base))
-	    return -1;
-	if ((p->next == map) || (p->next->base > base+num-1))
-	    break;
-    }
-    q = kmalloc(sizeof(struct resource_map), GFP_KERNEL);
-    if (!q) return CS_OUT_OF_RESOURCE;
-    q->base = base; q->num = num;
-    q->next = p->next; p->next = q;
-    return CS_SUCCESS;
+	for (p = map; ; p = p->next) {
+		if ((p != map) && (p->base+p->num-1 >= base))
+			return -1;
+		if ((p->next == map) || (p->next->base > base+num-1))
+			break;
+	}
+	q = kmalloc(sizeof(struct resource_map), GFP_KERNEL);
+	if (!q) {
+		printk(KERN_WARNING "out of memory to update resources\n");
+		return -ENOMEM;
+	}
+	q->base = base; q->num = num;
+	q->next = p->next; p->next = q;
+	return 0;
 }
 
 /*====================================================================*/
@@ -166,7 +169,10 @@ static int sub_interval(struct resource_map *map, u_long base, u_long num)
 	    } else {
 		/* Split the block into two pieces */
 		p = kmalloc(sizeof(struct resource_map), GFP_KERNEL);
-		if (!p) return CS_OUT_OF_RESOURCE;
+		if (!p) {
+		    printk(KERN_WARNING "out of memory to update resources\n");
+		    return -ENOMEM;
+		}
 		p->base = base+num;
 		p->num = q->base+q->num - p->base;
 		q->num = base - q->base;
@@ -174,7 +180,7 @@ static int sub_interval(struct resource_map *map, u_long base, u_long num)
 	    }
 	}
     }
-    return CS_SUCCESS;
+    return 0;
 }
 
 /*======================================================================