* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
*
* (C) 1999 David A. Hinds
- * (C) 2003 - 2005 Dominik Brodowski
+ * (C) 2003 - 2006 Dominik Brodowski
*/
#include <linux/kernel.h>
goto put_dev;
}
- p_dev->state &= ~CLIENT_UNBOUND;
-
ret = p_drv->probe(p_dev);
if (ret)
goto put_module;
}
+/*
+ * Removes a PCMCIA card from the device tree and socket list.
+ */
+static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *leftover)
+{
+ struct pcmcia_device *p_dev;
+ struct pcmcia_device *tmp;
+ unsigned long flags;
+
+ ds_dbg(2, "unbind_request(%d)\n", s->sock);
+
+
+ if (!leftover)
+ s->device_count = 0;
+ else
+ s->device_count = 1;
+
+ /* unregister all pcmcia_devices registered with this socket, except leftover */
+ list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) {
+ if (p_dev == leftover)
+ continue;
+
+ spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+ list_del(&p_dev->socket_device_list);
+ p_dev->_removed=1;
+ spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+
+ device_unregister(&p_dev->dev);
+ }
+
+ return;
+}
+
+
static int pcmcia_device_remove(struct device * dev)
{
struct pcmcia_device *p_dev;
struct pcmcia_driver *p_drv;
+ struct pcmcia_device_id *did;
int i;
- /* detach the "instance" */
p_dev = to_pcmcia_dev(dev);
p_drv = to_pcmcia_drv(dev->driver);
+
+ /* If we're removing the primary module driving a
+ * pseudo multi-function card, we need to unbind
+ * all devices
+ */
+ did = (struct pcmcia_device_id *) 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))
+ pcmcia_card_remove(p_dev->socket, p_dev);
+
+ /* detach the "instance" */
if (!p_drv)
return 0;
p_drv->remove(p_dev);
/* check for proper unloading */
- if (p_dev->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED))
+ if (p_dev->_irq || p_dev->_io || p_dev->_locked)
printk(KERN_INFO "pcmcia: driver %s did not release config properly\n",
p_drv->drv.name);
for (i = 0; i < MAX_WIN; i++)
- if (p_dev->state & CLIENT_WIN_REQ(i))
+ if (p_dev->_win & CLIENT_WIN_REQ(i))
printk(KERN_INFO "pcmcia: driver %s did not release windows properly\n",
p_drv->drv.name);
/* references from pcmcia_probe_device */
- p_dev->state = CLIENT_UNBOUND;
pcmcia_put_dev(p_dev);
module_put(p_drv->owner);
}
-/*
- * Removes a PCMCIA card from the device tree and socket list.
- */
-static void pcmcia_card_remove(struct pcmcia_socket *s)
-{
- struct pcmcia_device *p_dev;
- unsigned long flags;
-
- ds_dbg(2, "unbind_request(%d)\n", s->sock);
-
- s->device_count = 0;
-
- for (;;) {
- /* unregister all pcmcia_devices registered with this socket*/
- spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
- if (list_empty(&s->devices_list)) {
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
- return;
- }
- p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list);
- list_del(&p_dev->socket_device_list);
- p_dev->state |= CLIENT_STALE;
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
-
- device_unregister(&p_dev->dev);
- }
-
- return;
-} /* unbind_request */
-
-
/*
* pcmcia_device_query -- determine information about a pcmcia device
*/
p_dev->socket = s;
p_dev->device_no = (s->device_count++);
p_dev->func = function;
- if (s->functions < function)
- s->functions = function;
+ if (s->functions <= function)
+ s->functions = function + 1;
p_dev->dev.bus = &pcmcia_bus_type;
p_dev->dev.parent = s->dev.dev;
sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id);
/* compat */
- p_dev->state = CLIENT_UNBOUND;
-
-
spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
/*
{
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
- if (p_dev->dev.power.power_state.event != PM_EVENT_ON)
+ if (p_dev->suspended)
return sprintf(buf, "off\n");
else
return sprintf(buf, "on\n");
if (!count)
return -EINVAL;
- if ((p_dev->dev.power.power_state.event == PM_EVENT_ON) &&
- (!strncmp(buf, "off", 3)))
+ if ((!p_dev->suspended) && !strncmp(buf, "off", 3))
ret = dpm_runtime_suspend(dev, PMSG_SUSPEND);
- else if ((p_dev->dev.power.power_state.event != PM_EVENT_ON) &&
- (!strncmp(buf, "on", 2)))
+ else if (p_dev->suspended && !strncmp(buf, "on", 2))
dpm_runtime_resume(dev);
return ret ? ret : count;
{
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
struct pcmcia_driver *p_drv = NULL;
+ int ret = 0;
if (dev->driver)
p_drv = to_pcmcia_drv(dev->driver);
- if (p_drv && p_drv->suspend)
- return p_drv->suspend(p_dev);
+ if (!p_drv)
+ goto out;
- return 0;
+ if (p_drv->suspend) {
+ ret = p_drv->suspend(p_dev);
+ if (ret)
+ goto out;
+ }
+
+ if (p_dev->device_no == p_dev->func)
+ pcmcia_release_configuration(p_dev);
+
+ out:
+ if (!ret)
+ p_dev->suspended = 1;
+ return ret;
}
{
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
struct pcmcia_driver *p_drv = NULL;
+ int ret = 0;
if (dev->driver)
p_drv = to_pcmcia_drv(dev->driver);
- if (p_drv && p_drv->resume)
- return p_drv->resume(p_dev);
+ if (!p_drv)
+ goto out;
- return 0;
+ if (p_dev->device_no == p_dev->func) {
+ ret = pcmcia_request_configuration(p_dev, &p_dev->conf);
+ if (ret)
+ goto out;
+ }
+
+ if (p_drv->resume)
+ ret = p_drv->resume(p_dev);
+
+ out:
+ if (!ret)
+ p_dev->suspended = 0;
+ return ret;
}
switch (event) {
case CS_EVENT_CARD_REMOVAL:
s->pcmcia_state.present = 0;
- pcmcia_card_remove(skt);
+ pcmcia_card_remove(skt, NULL);
handle_event(skt, event);
break;
} /* ds_event */
+struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev)
+{
+ struct pcmcia_device *p_dev;
+ struct pcmcia_device *ret = NULL;
+
+ p_dev = pcmcia_get_dev(_p_dev);
+ if (!p_dev)
+ return NULL;
+
+ if (!p_dev->socket->pcmcia_state.present)
+ goto out;
+
+ if (p_dev->_removed)
+ goto out;
+
+ if (p_dev->suspended)
+ goto out;
+
+ ret = p_dev;
+ out:
+ pcmcia_put_dev(p_dev);
+ return ret;
+}
+EXPORT_SYMBOL(pcmcia_dev_present);
+
+
static struct pcmcia_callback pcmcia_bus_callback = {
.owner = THIS_MODULE,
.event = ds_event,