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authorDominik Brodowski <linux@dominikbrodowski.net>2008-06-19 22:12:34 +0400
committerDominik Brodowski <linux@dominikbrodowski.net>2008-06-24 17:33:42 +0400
commitc5081d5f4775b2a3f858f91151bbf9163e473075 (patch)
tree8e9e077e8011fd7bf888b491711933f8c90f0cf0 /drivers/pcmcia
parentc502380170ee93fd1f4028cc1f32efc87fde7376 (diff)
downloadlinux-c5081d5f4775b2a3f858f91151bbf9163e473075.tar.xz
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>
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/cistpl.c15
-rw-r--r--drivers/pcmcia/ds.c7
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c2
-rw-r--r--drivers/pcmcia/rsrc_nonstatic.c11
-rw-r--r--drivers/pcmcia/socket_sysfs.c6
5 files changed, 22 insertions, 19 deletions
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 36379535f9da..0996ca253f28 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 e40775443d04..0f56cb5a30be 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 758ece8dc362..1efc74fef148 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 162693480ed0..70d2e010e654 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 562384d6f321..ff079987db1d 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);