pcmcia: simplify pccard_validate_cis

As cisinfo_t only contains one unsigned_int, pccard_validate_cis can
be simplified by passing that around directly.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

5 files changed, 22 insertions, 19 deletions

diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 36379535f9d..0996ca253f2 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -1439,10 +1439,11 @@ EXPORT_SYMBOL(pccard_read_tuple);
     
 ======================================================================*/
 
-int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, cisinfo_t *info)
+int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, unsigned int *info)
 {
     tuple_t *tuple;
     cisparse_t *p;
+    unsigned int count = 0;
     int ret, reserved, dev_ok = 0, ident_ok = 0;
 
     if (!s)
@@ -1457,7 +1458,7 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, cisinfo_
 	return CS_OUT_OF_RESOURCE;
     }
 
-    info->Chains = reserved = 0;
+    count = reserved = 0;
     tuple->DesiredTuple = RETURN_FIRST_TUPLE;
     tuple->Attributes = TUPLE_RETURN_COMMON;
     ret = pccard_get_first_tuple(s, function, tuple);
@@ -1482,7 +1483,7 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, cisinfo_
     if (!dev_ok && !ident_ok)
 	goto done;
 
-    for (info->Chains = 1; info->Chains < MAX_TUPLES; info->Chains++) {
+    for (count = 1; count < MAX_TUPLES; count++) {
 	ret = pccard_get_next_tuple(s, function, tuple);
 	if (ret != CS_SUCCESS) break;
 	if (((tuple->TupleCode > 0x23) && (tuple->TupleCode < 0x40)) ||
@@ -1490,11 +1491,13 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, cisinfo_
 	    ((tuple->TupleCode > 0x90) && (tuple->TupleCode < 0xff)))
 	    reserved++;
     }
-    if ((info->Chains == MAX_TUPLES) || (reserved > 5) ||
-	((!dev_ok || !ident_ok) && (info->Chains > 10)))
-	info->Chains = 0;
+    if ((count) || (reserved > 5) ||
+	((!dev_ok || !ident_ok) && (count > 10)))
+	count = 0;
 
 done:
+    if (info)
+	    *info = count;
     kfree(tuple);
     kfree(p);
     return CS_SUCCESS;
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index e40775443d0..0f56cb5a30b 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -741,9 +741,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
 
 static int pcmcia_card_add(struct pcmcia_socket *s)
 {
-	cisinfo_t cisinfo;
 	cistpl_longlink_mfc_t mfc;
-	unsigned int no_funcs, i;
+	unsigned int no_funcs, i, no_chains;
 	int ret = 0;
 
 	if (!(s->resource_setup_done)) {
@@ -757,8 +756,8 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
 		return -EAGAIN; /* try again, but later... */
 	}
 
-	ret = pccard_validate_cis(s, BIND_FN_ALL, &cisinfo);
-	if (ret || !cisinfo.Chains) {
+	ret = pccard_validate_cis(s, BIND_FN_ALL, &no_chains);
+	if (ret || !no_chains) {
 		ds_dbg(0, "invalid CIS or invalid resources\n");
 		return -ENODEV;
 	}
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 758ece8dc36..1efc74fef14 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -735,7 +735,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 	mutex_lock(&s->skt_mutex);
 	pcmcia_validate_mem(s);
 	mutex_unlock(&s->skt_mutex);
-	ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo);
+	ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo.Chains);
 	break;
     case DS_SUSPEND_CARD:
 	ret = pcmcia_suspend_card(s);
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 162693480ed..70d2e010e65 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -261,21 +261,22 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base,
 ======================================================================*/
 
 /* Validation function for cards with a valid CIS */
-static int readable(struct pcmcia_socket *s, struct resource *res, cisinfo_t *info)
+static int readable(struct pcmcia_socket *s, struct resource *res,
+		    unsigned int *count)
 {
 	int ret = -1;
 
 	s->cis_mem.res = res;
 	s->cis_virt = ioremap(res->start, s->map_size);
 	if (s->cis_virt) {
-		ret = pccard_validate_cis(s, BIND_FN_ALL, info);
+		ret = pccard_validate_cis(s, BIND_FN_ALL, count);
 		/* invalidate mapping and CIS cache */
 		iounmap(s->cis_virt);
 		s->cis_virt = NULL;
 		destroy_cis_cache(s);
 	}
 	s->cis_mem.res = NULL;
-	if ((ret != 0) || (info->Chains == 0))
+	if ((ret != 0) || (count == 0))
 		return 0;
 	return 1;
 }
@@ -316,7 +317,7 @@ static int
 cis_readable(struct pcmcia_socket *s, unsigned long base, unsigned long size)
 {
 	struct resource *res1, *res2;
-	cisinfo_t info1, info2;
+	unsigned int info1, info2;
 	int ret = 0;
 
 	res1 = claim_region(s, base, size/2, IORESOURCE_MEM, "cs memory probe");
@@ -330,7 +331,7 @@ cis_readable(struct pcmcia_socket *s, unsigned long base, unsigned long size)
 	free_region(res2);
 	free_region(res1);
 
-	return (ret == 2) && (info1.Chains == info2.Chains);
+	return (ret == 2) && (info1 == info2);
 }
 
 static int
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index 562384d6f32..ff079987db1 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -293,7 +293,7 @@ static ssize_t pccard_show_cis(struct kobject *kobj,
 		count = 0;
 	else {
 		struct pcmcia_socket *s;
-		cisinfo_t cisinfo;
+		unsigned int chains;
 
 		if (off + count > size)
 			count = size - off;
@@ -302,9 +302,9 @@ static ssize_t pccard_show_cis(struct kobject *kobj,
 
 		if (!(s->state & SOCKET_PRESENT))
 			return -ENODEV;
-		if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo))
+		if (pccard_validate_cis(s, BIND_FN_ALL, &chains))
 			return -EIO;
-		if (!cisinfo.Chains)
+		if (!chains)
 			return -ENODATA;
 
 		count = pccard_extract_cis(s, buf, off, count);