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authorDominik Brodowski <linux@dominikbrodowski.net>2006-11-03 18:54:00 +0300
committerDominik Brodowski <linux@dominikbrodowski.net>2006-12-05 04:09:14 +0300
commit4ae1cbf17d14ba6fd316a94b290ea4e741cba15c (patch)
tree56c5f6939fd486b6041945497d2d541e76b0e1e6 /drivers/pcmcia
parent5eb5fc97d83ee1f8fcf3490bb81ad14a99fc544c (diff)
downloadlinux-4ae1cbf17d14ba6fd316a94b290ea4e741cba15c.tar.xz
[PATCH] pcmcia: start over after CIS override
When overriding the CIS, re-start the configuration of the card from scratch. Reported and debugged by Fabrice Bellet <fabrice@bellet.info> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/cs_internal.h2
-rw-r--r--drivers/pcmcia/ds.c12
-rw-r--r--drivers/pcmcia/socket_sysfs.c4
3 files changed, 11 insertions, 7 deletions
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h
index d6164cd583fd..f573ea04db6f 100644
--- a/drivers/pcmcia/cs_internal.h
+++ b/drivers/pcmcia/cs_internal.h
@@ -135,7 +135,7 @@ int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_s
struct pcmcia_callback{
struct module *owner;
int (*event) (struct pcmcia_socket *s, event_t event, int priority);
- void (*requery) (struct pcmcia_socket *s);
+ void (*requery) (struct pcmcia_socket *s, int new_cis);
int (*suspend) (struct pcmcia_socket *s);
int (*resume) (struct pcmcia_socket *s);
};
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 21d83a895b21..7f6e94cd067a 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -714,22 +714,26 @@ static int pcmcia_requery(struct device *dev, void * _data)
return 0;
}
-static void pcmcia_bus_rescan(struct pcmcia_socket *skt)
+static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis)
{
- int no_devices=0;
+ int no_devices = 0;
int ret = 0;
unsigned long flags;
/* must be called with skt_mutex held */
spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
if (list_empty(&skt->devices_list))
- no_devices=1;
+ no_devices = 1;
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ /* If this is because of a CIS override, start over */
+ if (new_cis && !no_devices)
+ pcmcia_card_remove(skt, NULL);
+
/* if no devices were added for this socket yet because of
* missing resource information or other trouble, we need to
* do this now. */
- if (no_devices) {
+ if (no_devices || new_cis) {
ret = pcmcia_card_add(skt);
if (ret)
return;
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index 933cd864a5c9..b005602d6b53 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -188,7 +188,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf,
(s->state & SOCKET_PRESENT) &&
!(s->state & SOCKET_CARDBUS)) {
if (try_module_get(s->callback->owner)) {
- s->callback->requery(s);
+ s->callback->requery(s, 0);
module_put(s->callback->owner);
}
}
@@ -325,7 +325,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz
if ((s->callback) && (s->state & SOCKET_PRESENT) &&
!(s->state & SOCKET_CARDBUS)) {
if (try_module_get(s->callback->owner)) {
- s->callback->requery(s);
+ s->callback->requery(s, 1);
module_put(s->callback->owner);
}
}