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authorDominik Brodowski <linux@dominikbrodowski.net>2010-04-08 19:23:07 +0200
committerDominik Brodowski <linux@dominikbrodowski.net>2010-04-11 14:36:59 +0200
commit509b0865fbd8ab6c820397706dde980c1c285538 (patch)
treeab0b03f00b7e121e0beade45735ba44f00fd5f2d /drivers/pcmcia/rsrc_nonstatic.c
parentd3e03f4ea81456d52810a03a17dd88f78a080818 (diff)
downloadlinux-509b0865fbd8ab6c820397706dde980c1c285538.tar.bz2
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>
Diffstat (limited to 'drivers/pcmcia/rsrc_nonstatic.c')
-rw-r--r--drivers/pcmcia/rsrc_nonstatic.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 559069a80a3b..1178a823fbc6 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 {