pcmcia: fix io_probe due to parent (PCI) resources

Similar to commit 7a96e87d, we need to be aware of any parent PCI
device when requesting IO regions, even only for testing
("probing").

Reported-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 559069a80a3bb37b277e6ae589e433a9fde2271a..1178a823fbc64cfddecf12241cc81cff8751d043 100644 (file)
--- 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 {