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path: root/drivers/pcmcia/rsrc_nonstatic.c
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Diffstat (limited to 'drivers/pcmcia/rsrc_nonstatic.c')
-rw-r--r--drivers/pcmcia/rsrc_nonstatic.c66
1 files changed, 37 insertions, 29 deletions
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 4663b3fa9f96..a6eb7b59ba9f 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -214,7 +214,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base,
return;
}
for (i = base, most = 0; i < base+num; i += 8) {
- res = claim_region(NULL, i, 8, IORESOURCE_IO, "PCMCIA ioprobe");
+ res = claim_region(s, i, 8, IORESOURCE_IO, "PCMCIA ioprobe");
if (!res)
continue;
hole = inb(i);
@@ -231,9 +231,14 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base,
bad = any = 0;
for (i = base; i < base+num; i += 8) {
- res = claim_region(NULL, i, 8, IORESOURCE_IO, "PCMCIA ioprobe");
- if (!res)
+ res = claim_region(s, i, 8, IORESOURCE_IO, "PCMCIA ioprobe");
+ if (!res) {
+ if (!any)
+ printk(" excluding");
+ if (!bad)
+ bad = any = i;
continue;
+ }
for (j = 0; j < 8; j++)
if (inb(i+j) != most)
break;
@@ -253,6 +258,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base,
}
if (bad) {
if ((num > 16) && (bad == base) && (i == base+num)) {
+ sub_interval(&s_data->io_db, bad, i-bad);
printk(" nothing: probe failed.\n");
return;
} else {
@@ -596,19 +602,17 @@ struct pcmcia_align_data {
struct resource_map *map;
};
-static resource_size_t
-pcmcia_common_align(void *align_data, const struct resource *res,
- resource_size_t size, resource_size_t align)
+static resource_size_t pcmcia_common_align(struct pcmcia_align_data *align_data,
+ resource_size_t start)
{
- struct pcmcia_align_data *data = align_data;
- resource_size_t start;
+ resource_size_t ret;
/*
* Ensure that we have the correct start address
*/
- start = (res->start & ~data->mask) + data->offset;
- if (start < res->start)
- start += data->mask + 1;
- return start;
+ ret = (start & ~align_data->mask) + align_data->offset;
+ if (ret < start)
+ ret += align_data->mask + 1;
+ return ret;
}
static resource_size_t
@@ -619,29 +623,28 @@ pcmcia_align(void *align_data, const struct resource *res,
struct resource_map *m;
resource_size_t start;
- start = pcmcia_common_align(data, res, size, align);
+ start = pcmcia_common_align(data, res->start);
for (m = data->map->next; m != data->map; m = m->next) {
- unsigned long start = m->base;
- unsigned long end = m->base + m->num - 1;
+ unsigned long map_start = m->base;
+ unsigned long map_end = m->base + m->num - 1;
/*
* If the lower resources are not available, try aligning
* to this entry of the resource database to see if it'll
* fit here.
*/
- if (res->start < start) {
- start = pcmcia_common_align(data, res, size, align);
- }
+ if (start < map_start)
+ start = pcmcia_common_align(data, map_start);
/*
* If we're above the area which was passed in, there's
* no point proceeding.
*/
- if (res->start >= res->end)
+ if (start >= res->end)
break;
- if ((res->start + size - 1) <= end)
+ if ((start + size - 1) <= map_end)
break;
}
@@ -807,9 +810,18 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned
static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long start, unsigned long end)
{
struct socket_data *data = s->resource_data;
- unsigned long size = end - start + 1;
+ unsigned long size;
int ret = 0;
+#if defined(CONFIG_X86)
+ /* on x86, avoid anything < 0x100 for it is often used for
+ * legacy platform devices */
+ if (start < 0x100)
+ start = 0x100;
+#endif
+
+ size = end - start + 1;
+
if (end < start)
return -EINVAL;
@@ -867,10 +879,8 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
if (res == &ioport_resource)
continue;
dev_printk(KERN_INFO, &s->cb_dev->dev,
- "pcmcia: parent PCI bridge I/O "
- "window: 0x%llx - 0x%llx\n",
- (unsigned long long)res->start,
- (unsigned long long)res->end);
+ "pcmcia: parent PCI bridge window: %pR\n",
+ res);
if (!adjust_io(s, ADD_MANAGED_RESOURCE, res->start, res->end))
done |= IORESOURCE_IO;
@@ -880,10 +890,8 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
if (res == &iomem_resource)
continue;
dev_printk(KERN_INFO, &s->cb_dev->dev,
- "pcmcia: parent PCI bridge Memory "
- "window: 0x%llx - 0x%llx\n",
- (unsigned long long)res->start,
- (unsigned long long)res->end);
+ "pcmcia: parent PCI bridge window: %pR\n",
+ res);
if (!adjust_memory(s, ADD_MANAGED_RESOURCE, res->start, res->end))
done |= IORESOURCE_MEM;
}