}
-#ifdef CONFIG_PCMCIA_LOAD_CIS
-
-/**
- * pcmcia_load_firmware - load CIS from userspace if device-provided is broken
- * @dev - the pcmcia device which needs a CIS override
- * @filename - requested filename in /lib/firmware/cis/
- *
- * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if
- * the one provided by the card is broken. The firmware files reside in
- * /lib/firmware/cis/ in userspace.
- */
-static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
-{
- struct pcmcia_socket *s = dev->socket;
- const struct firmware *fw;
- char path[20];
- int ret=-ENOMEM;
- cisdump_t *cis;
-
- if (!filename)
- return -EINVAL;
-
- ds_dbg(1, "trying to load firmware %s\n", filename);
-
- if (strlen(filename) > 14)
- return -EINVAL;
-
- snprintf(path, 20, "%s", filename);
-
- if (request_firmware(&fw, path, &dev->dev) == 0) {
- if (fw->size >= CISTPL_MAX_CIS_SIZE)
- goto release;
-
- cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
- if (!cis)
- goto release;
-
- cis->Length = fw->size + 1;
- memcpy(cis->Data, fw->data, fw->size);
-
- if (!pcmcia_replace_cis(s, cis))
- ret = 0;
- }
- release:
- release_firmware(fw);
-
- return (ret);
-}
-
-#else /* !CONFIG_PCMCIA_LOAD_CIS */
-
-static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
-{
- return -ENODEV;
-}
-
-#endif
-
-
/*======================================================================*/
*
* Registers a PCMCIA driver with the PCMCIA bus core.
*/
-static int pcmcia_device_probe(struct device *dev);
-static int pcmcia_device_remove(struct device * dev);
-
int pcmcia_register_driver(struct pcmcia_driver *driver)
{
if (!driver)
kfree(p_dev);
}
-static void pcmcia_add_pseudo_device(struct pcmcia_socket *s)
+static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc)
{
if (!s->pcmcia_state.device_add_pending) {
s->pcmcia_state.device_add_pending = 1;
+ s->pcmcia_state.mfc_pfc = mfc;
schedule_work(&s->device_add);
}
return;
* call which will then check whether there are two
* pseudo devices, and if not, add the second one.
*/
- did = (struct pcmcia_device_id *) p_dev->dev.driver_data;
+ did = p_dev->dev.driver_data;
if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
(p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
- pcmcia_add_pseudo_device(p_dev->socket);
+ pcmcia_add_device_later(p_dev->socket, 0);
put_module:
if (ret)
return;
}
-
static int pcmcia_device_remove(struct device * dev)
{
struct pcmcia_device *p_dev;
* pseudo multi-function card, we need to unbind
* all devices
*/
- did = (struct pcmcia_device_id *) p_dev->dev.driver_data;
+ did = p_dev->dev.driver_data;
if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
(p_dev->socket->device_count != 0) &&
(p_dev->device_no == 0))
if (p_drv->remove)
p_drv->remove(p_dev);
+ p_dev->dev_node = NULL;
+
/* check for proper unloading */
if (p_dev->_irq || p_dev->_io || p_dev->_locked)
printk(KERN_INFO "pcmcia: driver %s did not release config properly\n",
p_dev->socket = s;
p_dev->device_no = (s->device_count++);
p_dev->func = function;
- if (s->functions <= function)
- s->functions = function + 1;
p_dev->dev.bus = &pcmcia_bus_type;
p_dev->dev.parent = s->dev.dev;
}
/* Add to the list in pcmcia_bus_socket */
- list_add_tail(&p_dev->socket_device_list, &s->devices_list);
+ list_add(&p_dev->socket_device_list, &s->devices_list);
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
no_funcs = mfc.nfn;
else
no_funcs = 1;
+ s->functions = no_funcs;
for (i=0; i < no_funcs; i++)
pcmcia_device_add(s, i);
}
-static void pcmcia_delayed_add_pseudo_device(void *data)
+static void pcmcia_delayed_add_device(void *data)
{
struct pcmcia_socket *s = data;
- pcmcia_device_add(s, 0);
+ pcmcia_device_add(s, s->pcmcia_state.mfc_pfc);
s->pcmcia_state.device_add_pending = 0;
+ s->pcmcia_state.mfc_pfc = 0;
}
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) {
- int ret = pcmcia_card_add(skt);
+ if (no_devices || new_cis) {
+ ret = pcmcia_card_add(skt);
if (ret)
return;
}
/* we re-scan all devices, not just the ones connected to this
* socket. This does not matter, though. */
- bus_rescan_devices(&pcmcia_bus_type);
+ ret = bus_rescan_devices(&pcmcia_bus_type);
+ if (ret)
+ printk(KERN_INFO "pcmcia: bus_rescan_devices failed\n");
+}
+
+#ifdef CONFIG_PCMCIA_LOAD_CIS
+
+/**
+ * pcmcia_load_firmware - load CIS from userspace if device-provided is broken
+ * @dev - the pcmcia device which needs a CIS override
+ * @filename - requested filename in /lib/firmware/
+ *
+ * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if
+ * the one provided by the card is broken. The firmware files reside in
+ * /lib/firmware/ in userspace.
+ */
+static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
+{
+ struct pcmcia_socket *s = dev->socket;
+ const struct firmware *fw;
+ char path[20];
+ int ret = -ENOMEM;
+ int no_funcs;
+ int old_funcs;
+ cisdump_t *cis;
+ cistpl_longlink_mfc_t mfc;
+
+ if (!filename)
+ return -EINVAL;
+
+ ds_dbg(1, "trying to load firmware %s\n", filename);
+
+ if (strlen(filename) > 14)
+ return -EINVAL;
+
+ snprintf(path, 20, "%s", filename);
+
+ if (request_firmware(&fw, path, &dev->dev) == 0) {
+ if (fw->size >= CISTPL_MAX_CIS_SIZE)
+ goto release;
+
+ cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
+ if (!cis)
+ goto release;
+
+ cis->Length = fw->size + 1;
+ memcpy(cis->Data, fw->data, fw->size);
+
+ if (!pcmcia_replace_cis(s, cis))
+ ret = 0;
+
+ /* update information */
+ pcmcia_device_query(dev);
+
+ /* does this cis override add or remove functions? */
+ old_funcs = s->functions;
+
+ if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, &mfc))
+ no_funcs = mfc.nfn;
+ else
+ no_funcs = 1;
+ s->functions = no_funcs;
+
+ if (old_funcs > no_funcs)
+ pcmcia_card_remove(s, dev);
+ else if (no_funcs > old_funcs)
+ pcmcia_add_device_later(s, 1);
+ }
+ release:
+ release_firmware(fw);
+
+ return (ret);
}
+#else /* !CONFIG_PCMCIA_LOAD_CIS */
+
+static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
+{
+ return -ENODEV;
+}
+
+#endif
+
+
static inline int pcmcia_devmatch(struct pcmcia_device *dev,
struct pcmcia_device_id *did)
{
struct device_attribute *attr, const char *buf, size_t count)
{
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
+ int ret;
if (!count)
return -EINVAL;
p_dev->allow_func_id_match = 1;
mutex_unlock(&p_dev->socket->skt_mutex);
- bus_rescan_devices(&pcmcia_bus_type);
+ ret = bus_rescan_devices(&pcmcia_bus_type);
+ if (ret)
+ printk(KERN_INFO "pcmcia: bus_rescan_devices failed after "
+ "allowing func_id matches\n");
return count;
}
{
struct pcmcia_socket *s = pcmcia_get_socket(skt);
+ if (!s) {
+ printk(KERN_ERR "PCMCIA obtaining reference to socket %p " \
+ "failed, event 0x%x lost!\n", skt, event);
+ return -ENODEV;
+ }
+
ds_dbg(1, "ds_event(0x%06x, %d, 0x%p)\n",
event, priority, skt);
init_waitqueue_head(&socket->queue);
#endif
INIT_LIST_HEAD(&socket->devices_list);
- INIT_WORK(&socket->device_add, pcmcia_delayed_add_pseudo_device, socket);
+ INIT_WORK(&socket->device_add, pcmcia_delayed_add_device, socket);
memset(&socket->pcmcia_state, 0, sizeof(u8));
socket->device_count = 0;
socket->pcmcia_state.dead = 1;
pccard_register_pcmcia(socket, NULL);
+ /* unregister any unbound devices */
+ mutex_lock(&socket->skt_mutex);
+ pcmcia_card_remove(socket, NULL);
+ mutex_unlock(&socket->skt_mutex);
+
pcmcia_put_socket(socket);
return;
static int __init init_pcmcia_bus(void)
{
+ int ret;
+
spin_lock_init(&pcmcia_dev_list_lock);
- bus_register(&pcmcia_bus_type);
- class_interface_register(&pcmcia_bus_interface);
+ ret = bus_register(&pcmcia_bus_type);
+ if (ret < 0) {
+ printk(KERN_WARNING "pcmcia: bus_register error: %d\n", ret);
+ return ret;
+ }
+ ret = class_interface_register(&pcmcia_bus_interface);
+ if (ret < 0) {
+ printk(KERN_WARNING
+ "pcmcia: class_interface_register error: %d\n", ret);
+ bus_unregister(&pcmcia_bus_type);
+ return ret;
+ }
pcmcia_setup_ioctl();
git.openpandora.org / pandora-kernel.git / blobdiff