From 4ae1cbf17d14ba6fd316a94b290ea4e741cba15c Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Fri, 3 Nov 2006 10:54:00 -0500 Subject: [PATCH] [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 Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs_internal.h | 2 +- drivers/pcmcia/ds.c | 12 ++++++++---- drivers/pcmcia/socket_sysfs.c | 4 ++-- 3 files changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index d6164cd583..f573ea04db 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 21d83a895b..7f6e94cd06 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 933cd864a5..b005602d6b 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); } } -- 2.39.5