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[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>
This commit is contained in:
Dominik Brodowski 2006-11-03 10:54:00 -05:00
parent 5eb5fc97d8
commit 4ae1cbf17d
3 changed files with 11 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pcmcia/cs_internal.h
View File

@ -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);
};

12
drivers/pcmcia/ds.c
View File

@ -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;

4
drivers/pcmcia/socket_sysfs.c
View File

@ -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);
}
}