diff options
Diffstat (limited to 'drivers/pcmcia/cs.c')
-rw-r--r-- | drivers/pcmcia/cs.c | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 613f2f1fbfdd..3162998579c1 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -16,7 +16,6 @@ #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/kernel.h> -#include <linux/config.h> #include <linux/string.h> #include <linux/major.h> #include <linux/errno.h> @@ -111,9 +110,9 @@ int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state) list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { if (socket->dev.dev != dev) continue; - down(&socket->skt_sem); + mutex_lock(&socket->skt_mutex); socket_suspend(socket); - up(&socket->skt_sem); + mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); @@ -129,9 +128,9 @@ int pcmcia_socket_dev_resume(struct device *dev) list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { if (socket->dev.dev != dev) continue; - down(&socket->skt_sem); + mutex_lock(&socket->skt_mutex); socket_resume(socket); - up(&socket->skt_sem); + mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); @@ -237,7 +236,7 @@ int pcmcia_register_socket(struct pcmcia_socket *socket) init_completion(&socket->socket_released); init_completion(&socket->thread_done); init_waitqueue_head(&socket->thread_wait); - init_MUTEX(&socket->skt_sem); + mutex_init(&socket->skt_mutex); spin_lock_init(&socket->thread_lock); ret = kernel_thread(pccardd, socket, CLONE_KERNEL); @@ -406,8 +405,6 @@ static void socket_shutdown(struct pcmcia_socket *s) cb_free(s); #endif s->functions = 0; - kfree(s->config); - s->config = NULL; s->ops->get_status(s, &status); if (status & SS_POWERON) { @@ -664,7 +661,7 @@ static int pccardd(void *__skt) spin_unlock_irqrestore(&skt->thread_lock, flags); if (events) { - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); if (events & SS_DETECT) socket_detect_change(skt); if (events & SS_BATDEAD) @@ -673,7 +670,7 @@ static int pccardd(void *__skt) send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW); if (events & SS_READY) send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); continue; } @@ -717,8 +714,8 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) { int ret = 0; - /* s->skt_sem also protects s->callback */ - down(&s->skt_sem); + /* s->skt_mutex also protects s->callback */ + mutex_lock(&s->skt_mutex); if (c) { /* registration */ @@ -734,7 +731,7 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) } else s->callback = NULL; err: - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); return ret; } @@ -752,7 +749,7 @@ int pccard_reset_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "resetting socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -781,7 +778,7 @@ int pccard_reset_card(struct pcmcia_socket *skt) ret = CS_SUCCESS; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* reset_card */ @@ -797,7 +794,7 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "suspending socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -814,7 +811,7 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt) } ret = socket_suspend(skt); } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* suspend_card */ @@ -827,7 +824,7 @@ int pcmcia_resume_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "waking up socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -841,7 +838,7 @@ int pcmcia_resume_card(struct pcmcia_socket *skt) if (!ret && skt->callback) skt->callback->resume(skt); } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* resume_card */ @@ -855,7 +852,7 @@ int pcmcia_eject_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "user eject request\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = -ENODEV; @@ -871,7 +868,7 @@ int pcmcia_eject_card(struct pcmcia_socket *skt) socket_remove(skt); ret = 0; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* eject_card */ @@ -884,7 +881,7 @@ int pcmcia_insert_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "user insert request\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (skt->state & SOCKET_PRESENT) { ret = -EBUSY; @@ -896,7 +893,7 @@ int pcmcia_insert_card(struct pcmcia_socket *skt) } ret = 0; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* insert_card */ |