diff options
Diffstat (limited to 'drivers/firewire/fw-card.c')
| -rw-r--r-- | drivers/firewire/fw-card.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index 5b4c0d9f5173..da873d795aad 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c @@ -16,12 +16,15 @@ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <linux/module.h> -#include <linux/errno.h> +#include <linux/completion.h> +#include <linux/crc-itu-t.h> #include <linux/delay.h> #include <linux/device.h> +#include <linux/errno.h> +#include <linux/kref.h> +#include <linux/module.h> #include <linux/mutex.h> -#include <linux/crc-itu-t.h> + #include "fw-transaction.h" #include "fw-topology.h" #include "fw-device.h" @@ -396,14 +399,16 @@ fw_card_initialize(struct fw_card *card, const struct fw_card_driver *driver, { static atomic_t index = ATOMIC_INIT(-1); - atomic_set(&card->device_count, 0); card->index = atomic_inc_return(&index); card->driver = driver; card->device = device; card->current_tlabel = 0; card->tlabel_mask = 0; card->color = 0; + card->broadcast_channel = BROADCAST_CHANNEL_INITIAL; + kref_init(&card->kref); + init_completion(&card->done); INIT_LIST_HEAD(&card->transaction_list); spin_lock_init(&card->lock); setup_timer(&card->flush_timer, @@ -496,7 +501,6 @@ dummy_enable_phys_dma(struct fw_card *card, } static struct fw_card_driver dummy_driver = { - .name = "dummy", .enable = dummy_enable, .update_phy_reg = dummy_update_phy_reg, .set_config_rom = dummy_set_config_rom, @@ -507,6 +511,14 @@ static struct fw_card_driver dummy_driver = { }; void +fw_card_release(struct kref *kref) +{ + struct fw_card *card = container_of(kref, struct fw_card, kref); + + complete(&card->done); +} + +void fw_core_remove_card(struct fw_card *card) { card->driver->update_phy_reg(card, 4, @@ -521,12 +533,10 @@ fw_core_remove_card(struct fw_card *card) card->driver = &dummy_driver; fw_destroy_nodes(card); - /* - * Wait for all device workqueue jobs to finish. Otherwise the - * firewire-core module could be unloaded before the jobs ran. - */ - while (atomic_read(&card->device_count) > 0) - msleep(100); + + /* Wait for all users, especially device workqueue jobs, to finish. */ + fw_card_put(card); + wait_for_completion(&card->done); cancel_delayed_work_sync(&card->work); fw_flush_transactions(card); |