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ps3: gelic: updown_lock semaphore to mutex

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Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Daniel Walker 2008-05-22 00:00:03 -07:00 committed by Jeff Garzik
parent 5a2d9af276
commit 2914f3efa7
2 changed files with 6 additions and 6 deletions
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10
drivers/net/ps3_gelic_net.c
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@ -110,7 +110,7 @@ static void gelic_card_get_ether_port_status(struct gelic_card *card,
void gelic_card_up(struct gelic_card *card)
{
pr_debug("%s: called\n", __func__);
down(&card->updown_lock);
mutex_lock(&card->updown_lock);
if (atomic_inc_return(&card->users) == 1) {
pr_debug("%s: real do\n", __func__);
/* enable irq */
@ -120,7 +120,7 @@ void gelic_card_up(struct gelic_card *card)
napi_enable(&card->napi);
}
up(&card->updown_lock);
mutex_unlock(&card->updown_lock);
pr_debug("%s: done\n", __func__);
}
@ -128,7 +128,7 @@ void gelic_card_down(struct gelic_card *card)
{
u64 mask;
pr_debug("%s: called\n", __func__);
down(&card->updown_lock);
mutex_lock(&card->updown_lock);
if (atomic_dec_if_positive(&card->users) == 0) {
pr_debug("%s: real do\n", __func__);
napi_disable(&card->napi);
@ -146,7 +146,7 @@ void gelic_card_down(struct gelic_card *card)
/* stop tx */
gelic_card_disable_txdmac(card);
}
up(&card->updown_lock);
mutex_unlock(&card->updown_lock);
pr_debug("%s: done\n", __func__);
}
@ -1534,7 +1534,7 @@ static struct gelic_card *gelic_alloc_card_net(struct net_device **netdev)
INIT_WORK(&card->tx_timeout_task, gelic_net_tx_timeout_task);
init_waitqueue_head(&card->waitq);
atomic_set(&card->tx_timeout_task_counter, 0);
init_MUTEX(&card->updown_lock);
mutex_init(&card->updown_lock);
atomic_set(&card->users, 0);
return card;

2
drivers/net/ps3_gelic_net.h
View File

@ -298,7 +298,7 @@ struct gelic_card {
wait_queue_head_t waitq;
/* only first user should up the card */
struct semaphore updown_lock;
struct mutex updown_lock;
atomic_t users;
u64 ether_port_status;