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path: root/drivers/pcmcia/cs.c
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Diffstat (limited to 'drivers/pcmcia/cs.c')
-rw-r--r--drivers/pcmcia/cs.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 613f2f1fbfd..3162998579c 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 */