#include "bcm43xx_wx.h"
#include "bcm43xx_ethtool.h"
#include "bcm43xx_xmit.h"
+#include "bcm43xx_sysfs.h"
MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver");
static struct pci_device_id bcm43xx_pci_tbl[] = {
/* Broadcom 4303 802.11b */
{ PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4307 802.11b */
+ /* Broadcom 4307 802.11b */
{ PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4318 802.11b/g */
+ /* Broadcom 4318 802.11b/g */
{ PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ /* Broadcom 4319 802.11a/b/g */
+ { PCI_VENDOR_ID_BROADCOM, 0x4319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
/* Broadcom 4306 802.11b/g */
{ PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4306 802.11a */
+ /* Broadcom 4306 802.11a */
// { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
/* Broadcom 4309 802.11a/b/g */
{ PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
return old_mask;
}
+/* Synchronize IRQ top- and bottom-half.
+ * IRQs must be masked before calling this.
+ * This must not be called with the irq_lock held.
+ */
+static void bcm43xx_synchronize_irq(struct bcm43xx_private *bcm)
+{
+ synchronize_irq(bcm->irq);
+ tasklet_disable(&bcm->isr_tasklet);
+}
+
/* Make sure we don't receive more data from the device. */
static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm, u32 *oldstate)
{
- u32 old;
unsigned long flags;
+ u32 old;
- bcm43xx_lock_mmio(bcm, flags);
- if (bcm43xx_is_initializing(bcm) || bcm->shutting_down) {
- bcm43xx_unlock_mmio(bcm, flags);
+ bcm43xx_lock_irqonly(bcm, flags);
+ if (unlikely(bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)) {
+ bcm43xx_unlock_irqonly(bcm, flags);
return -EBUSY;
}
old = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
- tasklet_disable(&bcm->isr_tasklet);
- bcm43xx_unlock_mmio(bcm, flags);
+ bcm43xx_unlock_irqonly(bcm, flags);
+ bcm43xx_synchronize_irq(bcm);
+
if (oldstate)
*oldstate = old;
return 0;
}
-static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
+static int bcm43xx_geo_init(struct bcm43xx_private *bcm)
{
- struct ieee80211_geo geo;
+ struct ieee80211_geo *geo;
struct ieee80211_channel *chan;
int have_a = 0, have_bg = 0;
int i;
struct bcm43xx_phyinfo *phy;
const char *iso_country;
- memset(&geo, 0, sizeof(geo));
+ geo = kzalloc(sizeof(*geo), GFP_KERNEL);
+ if (!geo)
+ return -ENOMEM;
+
for (i = 0; i < bcm->nr_80211_available; i++) {
phy = &(bcm->core_80211_ext[i].phy);
switch (phy->type) {
iso_country = bcm43xx_locale_iso(bcm->sprom.locale);
if (have_a) {
- for (i = 0, channel = 0; channel < 201; channel++) {
- chan = &geo.a[i++];
+ for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL;
+ channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) {
+ chan = &geo->a[i++];
chan->freq = bcm43xx_channel_to_freq_a(channel);
chan->channel = channel;
}
- geo.a_channels = i;
+ geo->a_channels = i;
}
if (have_bg) {
- for (i = 0, channel = 1; channel < 15; channel++) {
- chan = &geo.bg[i++];
+ for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL;
+ channel <= IEEE80211_24GHZ_MAX_CHANNEL; channel++) {
+ chan = &geo->bg[i++];
chan->freq = bcm43xx_channel_to_freq_bg(channel);
chan->channel = channel;
}
- geo.bg_channels = i;
+ geo->bg_channels = i;
}
- memcpy(geo.name, iso_country, 2);
+ memcpy(geo->name, iso_country, 2);
if (0 /*TODO: Outdoor use only */)
- geo.name[2] = 'O';
+ geo->name[2] = 'O';
else if (0 /*TODO: Indoor use only */)
- geo.name[2] = 'I';
+ geo->name[2] = 'I';
else
- geo.name[2] = ' ';
- geo.name[3] = '\0';
+ geo->name[2] = ' ';
+ geo->name[3] = '\0';
+
+ ieee80211_set_geo(bcm->ieee, geo);
+ kfree(geo);
- ieee80211_set_geo(bcm->ieee, &geo);
+ return 0;
}
/* DummyTransmission function, as documented on
bcm43xx_dmacontroller_rx_reset(bcm, BCM43xx_MMIO_DMA4_BASE);
#endif
}
- if (bcm->shutting_down) {
+ if (bcm43xx_status(bcm) == BCM43xx_STAT_SHUTTINGDOWN) {
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
& ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002));
# define bcmirq_handled(irq) do { /* nothing */ } while (0)
#endif /* CONFIG_BCM43XX_DEBUG*/
- bcm43xx_lock_mmio(bcm, flags);
+ bcm43xx_lock_irqonly(bcm, flags);
reason = bcm->irq_reason;
dma_reason[0] = bcm->dma_reason[0];
dma_reason[1] = bcm->dma_reason[1];
dma_reason[0], dma_reason[1],
dma_reason[2], dma_reason[3]);
bcm43xx_controller_restart(bcm, "DMA error");
- bcm43xx_unlock_mmio(bcm, flags);
+ mmiowb();
+ bcm43xx_unlock_irqonly(bcm, flags);
return;
}
if (unlikely((dma_reason[0] & BCM43xx_DMAIRQ_NONFATALMASK) |
if (!modparam_noleds)
bcm43xx_leds_update(bcm, activity);
bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
- bcm43xx_unlock_mmio(bcm, flags);
+ mmiowb();
+ bcm43xx_unlock_irqonly(bcm, flags);
}
static void pio_irq_workaround(struct bcm43xx_private *bcm,
if (!bcm)
return IRQ_NONE;
- spin_lock(&bcm->_lock);
+ spin_lock(&bcm->irq_lock);
reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
if (reason == 0xffffffff) {
* completely, but some careful work is needed to fix this. I think it
* is best to stay with this cheap workaround for now... .
*/
- if (likely(bcm->initialized)) {
+ if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)) {
/* disable all IRQs. They are enabled again in the bottom half. */
bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
/* save the reason code and call our bottom half. */
out:
mmiowb();
- spin_unlock(&bcm->_lock);
+ spin_unlock(&bcm->irq_lock);
return ret;
}
return err;
}
+#ifdef CONFIG_BCM947XX
+static struct pci_device_id bcm43xx_47xx_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) },
+ { 0 }
+};
+#endif
+
static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm)
{
int res;
bcm->irq = bcm->pci_dev->irq;
#ifdef CONFIG_BCM947XX
if (bcm->pci_dev->bus->number == 0) {
- struct pci_dev *d = NULL;
- /* FIXME: we will probably need more device IDs here... */
- d = pci_find_device(PCI_VENDOR_ID_BROADCOM, 0x4324, NULL);
- if (d != NULL) {
- bcm->irq = d->irq;
+ struct pci_dev *d;
+ struct pci_device_id *id;
+ for (id = bcm43xx_47xx_ids; id->vendor; id++) {
+ d = pci_get_device(id->vendor, id->device, NULL);
+ if (d != NULL) {
+ bcm->irq = d->irq;
+ pci_dev_put(d);
+ break;
+ }
}
}
#endif
//TODO for APHY (temperature?)
}
-static void bcm43xx_periodic_task_handler(unsigned long d)
+static void do_periodic_work(struct bcm43xx_private *bcm)
{
- struct bcm43xx_private *bcm = (struct bcm43xx_private *)d;
- unsigned long flags;
unsigned int state;
- bcm43xx_lock_mmio(bcm, flags);
-
- assert(bcm->initialized);
state = bcm->periodic_state;
if (state % 8 == 0)
bcm43xx_periodic_every120sec(bcm);
bcm43xx_periodic_every60sec(bcm);
if (state % 2 == 0)
bcm43xx_periodic_every30sec(bcm);
- bcm43xx_periodic_every15sec(bcm);
+ if (state % 1 == 0)
+ bcm43xx_periodic_every15sec(bcm);
bcm->periodic_state = state + 1;
- mod_timer(&bcm->periodic_tasks, jiffies + (HZ * 15));
+ schedule_delayed_work(&bcm->periodic_work, HZ * 15);
+}
+
+/* Estimate a "Badness" value based on the periodic work
+ * state-machine state. "Badness" is worse (bigger), if the
+ * periodic work will take longer.
+ */
+static int estimate_periodic_work_badness(unsigned int state)
+{
+ int badness = 0;
+
+ if (state % 8 == 0) /* every 120 sec */
+ badness += 10;
+ if (state % 4 == 0) /* every 60 sec */
+ badness += 5;
+ if (state % 2 == 0) /* every 30 sec */
+ badness += 1;
+ if (state % 1 == 0) /* every 15 sec */
+ badness += 1;
+
+#define BADNESS_LIMIT 4
+ return badness;
+}
+
+static void bcm43xx_periodic_work_handler(void *d)
+{
+ struct bcm43xx_private *bcm = d;
+ unsigned long flags;
+ u32 savedirqs = 0;
+ int badness;
+
+ badness = estimate_periodic_work_badness(bcm->periodic_state);
+ if (badness > BADNESS_LIMIT) {
+ /* Periodic work will take a long time, so we want it to
+ * be preemtible.
+ */
+ bcm43xx_lock_irqonly(bcm, flags);
+ netif_stop_queue(bcm->net_dev);
+ if (bcm43xx_using_pio(bcm))
+ bcm43xx_pio_freeze_txqueues(bcm);
+ savedirqs = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
+ bcm43xx_unlock_irqonly(bcm, flags);
+ bcm43xx_lock_noirq(bcm);
+ bcm43xx_synchronize_irq(bcm);
+ } else {
+ /* Periodic work should take short time, so we want low
+ * locking overhead.
+ */
+ bcm43xx_lock_irqsafe(bcm, flags);
+ }
+
+ do_periodic_work(bcm);
- bcm43xx_unlock_mmio(bcm, flags);
+ if (badness > BADNESS_LIMIT) {
+ bcm43xx_lock_irqonly(bcm, flags);
+ if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)) {
+ tasklet_enable(&bcm->isr_tasklet);
+ bcm43xx_interrupt_enable(bcm, savedirqs);
+ if (bcm43xx_using_pio(bcm))
+ bcm43xx_pio_thaw_txqueues(bcm);
+ }
+ netif_wake_queue(bcm->net_dev);
+ mmiowb();
+ bcm43xx_unlock_irqonly(bcm, flags);
+ bcm43xx_unlock_noirq(bcm);
+ } else {
+ mmiowb();
+ bcm43xx_unlock_irqsafe(bcm, flags);
+ }
}
static void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm)
{
- del_timer_sync(&bcm->periodic_tasks);
+ cancel_rearming_delayed_work(&bcm->periodic_work);
}
static void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm)
{
- struct timer_list *timer = &(bcm->periodic_tasks);
+ struct work_struct *work = &(bcm->periodic_work);
- assert(bcm->initialized);
- setup_timer(timer,
- bcm43xx_periodic_task_handler,
- (unsigned long)bcm);
- timer->expires = jiffies;
- add_timer(timer);
+ assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
+ INIT_WORK(work, bcm43xx_periodic_work_handler, bcm);
+ schedule_work(work);
}
static void bcm43xx_security_init(struct bcm43xx_private *bcm)
static void bcm43xx_free_board(struct bcm43xx_private *bcm)
{
int i, err;
- unsigned long flags;
+ bcm43xx_lock_noirq(bcm);
bcm43xx_sysfs_unregister(bcm);
-
bcm43xx_periodic_tasks_delete(bcm);
- bcm43xx_lock(bcm, flags);
- bcm->initialized = 0;
- bcm->shutting_down = 1;
- bcm43xx_unlock(bcm, flags);
+ bcm43xx_set_status(bcm, BCM43xx_STAT_SHUTTINGDOWN);
for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
if (!bcm->core_80211[i].available)
bcm43xx_pctl_set_crystal(bcm, 0);
- bcm43xx_lock(bcm, flags);
- bcm->shutting_down = 0;
- bcm43xx_unlock(bcm, flags);
+ bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
+ bcm43xx_unlock_noirq(bcm);
}
static int bcm43xx_init_board(struct bcm43xx_private *bcm)
{
int i, err;
int connect_phy;
- unsigned long flags;
might_sleep();
- bcm43xx_lock(bcm, flags);
- bcm->initialized = 0;
- bcm->shutting_down = 0;
- bcm43xx_unlock(bcm, flags);
+ bcm43xx_lock_noirq(bcm);
+ bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING);
err = bcm43xx_pctl_set_crystal(bcm, 1);
if (err)
}
/* Initialization of the board is done. Flag it as such. */
- bcm43xx_lock(bcm, flags);
- bcm->initialized = 1;
- bcm43xx_unlock(bcm, flags);
+ bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED);
bcm43xx_periodic_tasks_setup(bcm);
bcm43xx_sysfs_register(bcm);
//FIXME: check for bcm43xx_sysfs_register failure. This function is a bit messy regarding unwinding, though...
+ /*FIXME: This should be handled by softmac instead. */
+ schedule_work(&bcm->softmac->associnfo.work);
+
assert(err == 0);
out:
+ bcm43xx_unlock_noirq(bcm);
+
return err;
err_80211_unwind:
bcm43xx_chipset_detach(bcm);
/* Do _not_ access the chip, after it is detached. */
- iounmap(bcm->mmio_addr);
-
+ pci_iounmap(pci_dev, bcm->mmio_addr);
pci_release_regions(pci_dev);
pci_disable_device(pci_dev);
struct net_device *net_dev = bcm->net_dev;
int err;
int i;
- unsigned long mmio_start, mmio_flags, mmio_len;
u32 coremask;
err = pci_enable_device(pci_dev);
if (err) {
- printk(KERN_ERR PFX "unable to wake up pci device (%i)\n", err);
+ printk(KERN_ERR PFX "pci_enable_device() failed\n");
goto out;
}
- mmio_start = pci_resource_start(pci_dev, 0);
- mmio_flags = pci_resource_flags(pci_dev, 0);
- mmio_len = pci_resource_len(pci_dev, 0);
- if (!(mmio_flags & IORESOURCE_MEM)) {
- printk(KERN_ERR PFX
- "%s, region #0 not an MMIO resource, aborting\n",
- pci_name(pci_dev));
- err = -ENODEV;
- goto err_pci_disable;
- }
err = pci_request_regions(pci_dev, KBUILD_MODNAME);
if (err) {
- printk(KERN_ERR PFX
- "could not access PCI resources (%i)\n", err);
+ printk(KERN_ERR PFX "pci_request_regions() failed\n");
goto err_pci_disable;
}
/* enable PCI bus-mastering */
pci_set_master(pci_dev);
- bcm->mmio_addr = ioremap(mmio_start, mmio_len);
+ bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL);
if (!bcm->mmio_addr) {
- printk(KERN_ERR PFX "%s: cannot remap MMIO, aborting\n",
- pci_name(pci_dev));
+ printk(KERN_ERR PFX "pci_iomap() failed\n");
err = -EIO;
goto err_pci_release;
}
- bcm->mmio_len = mmio_len;
net_dev->base_addr = (unsigned long)bcm->mmio_addr;
bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
goto err_80211_unwind;
bcm43xx_wireless_core_disable(bcm);
}
+ err = bcm43xx_geo_init(bcm);
+ if (err)
+ goto err_80211_unwind;
bcm43xx_pctl_set_crystal(bcm, 0);
/* Set the MAC address in the networking subsystem */
- if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
+ if (is_valid_ether_addr(bcm->sprom.et1macaddr))
memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6);
else
memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6);
- bcm43xx_geo_init(bcm);
-
snprintf(bcm->nick, IW_ESSID_MAX_SIZE,
"Broadcom %04X", bcm->chip_id);
err_chipset_detach:
bcm43xx_chipset_detach(bcm);
err_iounmap:
- iounmap(bcm->mmio_addr);
+ pci_iounmap(pci_dev, bcm->mmio_addr);
err_pci_release:
pci_release_regions(pci_dev);
err_pci_disable:
err = bcm43xx_pio_tx(bcm, txb);
else
err = bcm43xx_dma_tx(bcm, txb);
+ bcm->net_dev->trans_start = jiffies;
return err;
}
struct bcm43xx_radioinfo *radio;
unsigned long flags;
- bcm43xx_lock_mmio(bcm, flags);
- if (bcm->initialized) {
+ bcm43xx_lock_irqsafe(bcm, flags);
+ if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
bcm43xx_mac_suspend(bcm);
bcm43xx_radio_selectchannel(bcm, channel, 0);
bcm43xx_mac_enable(bcm);
radio = bcm43xx_current_radio(bcm);
radio->initial_channel = channel;
}
- bcm43xx_unlock_mmio(bcm, flags);
+ bcm43xx_unlock_irqsafe(bcm, flags);
}
/* set_security() callback in struct ieee80211_device */
unsigned long flags;
int keyidx;
- dprintk(KERN_INFO PFX "set security called\n");
+ dprintk(KERN_INFO PFX "set security called");
- bcm43xx_lock_mmio(bcm, flags);
+ bcm43xx_lock_irqsafe(bcm, flags);
for (keyidx = 0; keyidx<WEP_KEYS; keyidx++)
if (sec->flags & (1<<keyidx)) {
if (sec->flags & SEC_ACTIVE_KEY) {
secinfo->active_key = sec->active_key;
- dprintk(KERN_INFO PFX " .active_key = %d\n", sec->active_key);
+ dprintk(", .active_key = %d", sec->active_key);
}
if (sec->flags & SEC_UNICAST_GROUP) {
secinfo->unicast_uses_group = sec->unicast_uses_group;
- dprintk(KERN_INFO PFX " .unicast_uses_group = %d\n", sec->unicast_uses_group);
+ dprintk(", .unicast_uses_group = %d", sec->unicast_uses_group);
}
if (sec->flags & SEC_LEVEL) {
secinfo->level = sec->level;
- dprintk(KERN_INFO PFX " .level = %d\n", sec->level);
+ dprintk(", .level = %d", sec->level);
}
if (sec->flags & SEC_ENABLED) {
secinfo->enabled = sec->enabled;
- dprintk(KERN_INFO PFX " .enabled = %d\n", sec->enabled);
+ dprintk(", .enabled = %d", sec->enabled);
}
if (sec->flags & SEC_ENCRYPT) {
secinfo->encrypt = sec->encrypt;
- dprintk(KERN_INFO PFX " .encrypt = %d\n", sec->encrypt);
+ dprintk(", .encrypt = %d", sec->encrypt);
}
- if (bcm->initialized && !bcm->ieee->host_encrypt) {
+ dprintk("\n");
+ if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED &&
+ !bcm->ieee->host_encrypt) {
if (secinfo->enabled) {
/* upload WEP keys to hardware */
char null_address[6] = { 0 };
} else
bcm43xx_clear_keys(bcm);
}
- bcm43xx_unlock_mmio(bcm, flags);
+ bcm43xx_unlock_irqsafe(bcm, flags);
}
/* hard_start_xmit() callback in struct ieee80211_device */
int err = -ENODEV;
unsigned long flags;
- bcm43xx_lock_mmio(bcm, flags);
- if (likely(bcm->initialized))
+ bcm43xx_lock_irqonly(bcm, flags);
+ if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED))
err = bcm43xx_tx(bcm, txb);
- bcm43xx_unlock_mmio(bcm, flags);
+ bcm43xx_unlock_irqonly(bcm, flags);
return err;
}
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
unsigned long flags;
- bcm43xx_lock_mmio(bcm, flags);
+ bcm43xx_lock_irqonly(bcm, flags);
bcm43xx_controller_restart(bcm, "TX timeout");
- bcm43xx_unlock_mmio(bcm, flags);
+ bcm43xx_unlock_irqonly(bcm, flags);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static int bcm43xx_net_stop(struct net_device *net_dev)
{
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
+ int err;
ieee80211softmac_stop(net_dev);
- bcm43xx_disable_interrupts_sync(bcm, NULL);
+ err = bcm43xx_disable_interrupts_sync(bcm, NULL);
+ assert(!err);
bcm43xx_free_board(bcm);
return 0;
{
int err;
+ bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
bcm->ieee = netdev_priv(net_dev);
bcm->softmac = ieee80211_priv(net_dev);
bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan;
bcm->pci_dev = pci_dev;
bcm->net_dev = net_dev;
bcm->bad_frames_preempt = modparam_bad_frames_preempt;
- spin_lock_init(&bcm->_lock);
+ spin_lock_init(&bcm->irq_lock);
+ mutex_init(&bcm->mutex);
tasklet_init(&bcm->isr_tasklet,
(void (*)(unsigned long))bcm43xx_interrupt_tasklet,
(unsigned long)bcm);
struct net_device *net_dev = bcm->net_dev;
struct pci_dev *pci_dev = bcm->pci_dev;
int err;
- int was_initialized = bcm->initialized;
+ int was_initialized = (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
netif_stop_queue(bcm->net_dev);
tasklet_disable(&bcm->isr_tasklet);
*/
void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason)
{
+ bcm43xx_set_status(bcm, BCM43xx_STAT_RESTARTING);
bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */
printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason);
dprintk(KERN_INFO PFX "Suspending...\n");
- bcm43xx_lock(bcm, flags);
- bcm->was_initialized = bcm->initialized;
- if (bcm->initialized)
+ bcm43xx_lock_irqsafe(bcm, flags);
+ bcm->was_initialized = (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
+ if (bcm->was_initialized)
try_to_shutdown = 1;
- bcm43xx_unlock(bcm, flags);
+ bcm43xx_unlock_irqsafe(bcm, flags);
netif_device_detach(net_dev);
if (try_to_shutdown) {
netif_device_attach(net_dev);
- /*FIXME: This should be handled by softmac instead. */
- schedule_work(&bcm->softmac->associnfo.work);
-
dprintk(KERN_INFO PFX "Device resumed.\n");
return 0;