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Commit 4ae1cbf1 authored by Dominik Brodowski's avatar Dominik Brodowski
Browse files

[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: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent 5eb5fc97

drivers/pcmcia/cs_internal.h

+1 −1
Original line number Diff line number Diff line
@@ -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);

};

drivers/pcmcia/ds.c

+8 −4
Original line number Diff line number Diff line
@@ -714,7 +714,7 @@ 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 ret = 0;
@@ -726,10 +726,14 @@ static void pcmcia_bus_rescan(struct pcmcia_socket *skt) 
		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;

drivers/pcmcia/socket_sysfs.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

		}

	}