summaryrefslogtreecommitdiffstats
path: root/drivers/macintosh
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/adb.c30
-rw-r--r--drivers/macintosh/therm_pm72.c31
-rw-r--r--drivers/macintosh/windfarm_smu_sat.c10
3 files changed, 36 insertions, 35 deletions
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index 20978205cd0..b8b9e44f7f4 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -37,7 +37,7 @@
#include <linux/device.h>
#include <linux/kthread.h>
#include <linux/platform_device.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#ifdef CONFIG_PPC
@@ -102,7 +102,7 @@ static struct adb_handler {
} adb_handler[16];
/*
- * The adb_handler_sem mutex protects all accesses to the original_address
+ * The adb_handler_mutex mutex protects all accesses to the original_address
* and handler_id fields of adb_handler[i] for all i, and changes to the
* handler field.
* Accesses to the handler field are protected by the adb_handler_lock
@@ -110,7 +110,7 @@ static struct adb_handler {
* time adb_unregister returns, we know that the old handler isn't being
* called.
*/
-static DECLARE_MUTEX(adb_handler_sem);
+static DEFINE_MUTEX(adb_handler_mutex);
static DEFINE_RWLOCK(adb_handler_lock);
#if 0
@@ -355,7 +355,7 @@ do_adb_reset_bus(void)
msleep(500);
}
- down(&adb_handler_sem);
+ mutex_lock(&adb_handler_mutex);
write_lock_irq(&adb_handler_lock);
memset(adb_handler, 0, sizeof(adb_handler));
write_unlock_irq(&adb_handler_lock);
@@ -376,7 +376,7 @@ do_adb_reset_bus(void)
if (adb_controller->autopoll)
adb_controller->autopoll(autopoll_devs);
}
- up(&adb_handler_sem);
+ mutex_unlock(&adb_handler_mutex);
blocking_notifier_call_chain(&adb_client_list,
ADB_MSG_POST_RESET, NULL);
@@ -454,7 +454,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids,
{
int i;
- down(&adb_handler_sem);
+ mutex_lock(&adb_handler_mutex);
ids->nids = 0;
for (i = 1; i < 16; i++) {
if ((adb_handler[i].original_address == default_id) &&
@@ -472,7 +472,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids,
ids->id[ids->nids++] = i;
}
}
- up(&adb_handler_sem);
+ mutex_unlock(&adb_handler_mutex);
return ids->nids;
}
@@ -481,7 +481,7 @@ adb_unregister(int index)
{
int ret = -ENODEV;
- down(&adb_handler_sem);
+ mutex_lock(&adb_handler_mutex);
write_lock_irq(&adb_handler_lock);
if (adb_handler[index].handler) {
while(adb_handler[index].busy) {
@@ -493,7 +493,7 @@ adb_unregister(int index)
adb_handler[index].handler = NULL;
}
write_unlock_irq(&adb_handler_lock);
- up(&adb_handler_sem);
+ mutex_unlock(&adb_handler_mutex);
return ret;
}
@@ -557,19 +557,19 @@ adb_try_handler_change(int address, int new_id)
{
int ret;
- down(&adb_handler_sem);
+ mutex_lock(&adb_handler_mutex);
ret = try_handler_change(address, new_id);
- up(&adb_handler_sem);
+ mutex_unlock(&adb_handler_mutex);
return ret;
}
int
adb_get_infos(int address, int *original_address, int *handler_id)
{
- down(&adb_handler_sem);
+ mutex_lock(&adb_handler_mutex);
*original_address = adb_handler[address].original_address;
*handler_id = adb_handler[address].handler_id;
- up(&adb_handler_sem);
+ mutex_unlock(&adb_handler_mutex);
return (*original_address != 0);
}
@@ -628,10 +628,10 @@ do_adb_query(struct adb_request *req)
case ADB_QUERY_GETDEVINFO:
if (req->nbytes < 3)
break;
- down(&adb_handler_sem);
+ mutex_lock(&adb_handler_mutex);
req->reply[0] = adb_handler[req->data[2]].original_address;
req->reply[1] = adb_handler[req->data[2]].handler_id;
- up(&adb_handler_sem);
+ mutex_unlock(&adb_handler_mutex);
req->complete = 1;
req->reply_len = 2;
adb_write_done(req);
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 1e0a69a5e81..ddfb426a9ab 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -122,6 +122,7 @@
#include <linux/kmod.h>
#include <linux/i2c.h>
#include <linux/kthread.h>
+#include <linux/mutex.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/io.h>
@@ -169,7 +170,7 @@ static int rackmac;
static s32 dimm_output_clamp;
static int fcu_rpm_shift;
static int fcu_tickle_ticks;
-static DECLARE_MUTEX(driver_lock);
+static DEFINE_MUTEX(driver_lock);
/*
* We have 3 types of CPU PID control. One is "split" old style control
@@ -729,9 +730,9 @@ static void fetch_cpu_pumps_minmax(void)
static ssize_t show_##name(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
ssize_t r; \
- down(&driver_lock); \
+ mutex_lock(&driver_lock); \
r = sprintf(buf, "%d.%03d", FIX32TOPRINT(data)); \
- up(&driver_lock); \
+ mutex_unlock(&driver_lock); \
return r; \
}
#define BUILD_SHOW_FUNC_INT(name, data) \
@@ -1803,11 +1804,11 @@ static int main_control_loop(void *x)
{
DBG("main_control_loop started\n");
- down(&driver_lock);
+ mutex_lock(&driver_lock);
if (start_fcu() < 0) {
printk(KERN_ERR "kfand: failed to start FCU\n");
- up(&driver_lock);
+ mutex_unlock(&driver_lock);
goto out;
}
@@ -1822,14 +1823,14 @@ static int main_control_loop(void *x)
fcu_tickle_ticks = FCU_TICKLE_TICKS;
- up(&driver_lock);
+ mutex_unlock(&driver_lock);
while (state == state_attached) {
unsigned long elapsed, start;
start = jiffies;
- down(&driver_lock);
+ mutex_lock(&driver_lock);
/* Tickle the FCU just in case */
if (--fcu_tickle_ticks < 0) {
@@ -1861,7 +1862,7 @@ static int main_control_loop(void *x)
do_monitor_slots(&slots_state);
else
do_monitor_drives(&drives_state);
- up(&driver_lock);
+ mutex_unlock(&driver_lock);
if (critical_state == 1) {
printk(KERN_WARNING "Temperature control detected a critical condition\n");
@@ -2019,13 +2020,13 @@ static void detach_fcu(void)
*/
static int therm_pm72_attach(struct i2c_adapter *adapter)
{
- down(&driver_lock);
+ mutex_lock(&driver_lock);
/* Check state */
if (state == state_detached)
state = state_attaching;
if (state != state_attaching) {
- up(&driver_lock);
+ mutex_unlock(&driver_lock);
return 0;
}
@@ -2054,7 +2055,7 @@ static int therm_pm72_attach(struct i2c_adapter *adapter)
state = state_attached;
start_control_loops();
}
- up(&driver_lock);
+ mutex_unlock(&driver_lock);
return 0;
}
@@ -2065,16 +2066,16 @@ static int therm_pm72_attach(struct i2c_adapter *adapter)
*/
static int therm_pm72_detach(struct i2c_adapter *adapter)
{
- down(&driver_lock);
+ mutex_lock(&driver_lock);
if (state != state_detached)
state = state_detaching;
/* Stop control loops if any */
DBG("stopping control loops\n");
- up(&driver_lock);
+ mutex_unlock(&driver_lock);
stop_control_loops();
- down(&driver_lock);
+ mutex_lock(&driver_lock);
if (u3_0 != NULL && !strcmp(adapter->name, "u3 0")) {
DBG("lost U3-0, disposing control loops\n");
@@ -2090,7 +2091,7 @@ static int therm_pm72_detach(struct i2c_adapter *adapter)
if (u3_0 == NULL && u3_1 == NULL)
state = state_detached;
- up(&driver_lock);
+ mutex_unlock(&driver_lock);
return 0;
}
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index 797918d0e59..7f2be4baaed 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -13,7 +13,7 @@
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/i2c.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
#include <asm/prom.h>
#include <asm/smu.h>
#include <asm/pmac_low_i2c.h>
@@ -36,7 +36,7 @@
struct wf_sat {
int nr;
atomic_t refcnt;
- struct semaphore mutex;
+ struct mutex mutex;
unsigned long last_read; /* jiffies when cache last updated */
u8 cache[16];
struct i2c_client i2c;
@@ -163,7 +163,7 @@ static int wf_sat_get(struct wf_sensor *sr, s32 *value)
if (sat->i2c.adapter == NULL)
return -ENODEV;
- down(&sat->mutex);
+ mutex_lock(&sat->mutex);
if (time_after(jiffies, (sat->last_read + MAX_AGE))) {
err = wf_sat_read_cache(sat);
if (err)
@@ -182,7 +182,7 @@ static int wf_sat_get(struct wf_sensor *sr, s32 *value)
err = 0;
fail:
- up(&sat->mutex);
+ mutex_unlock(&sat->mutex);
return err;
}
@@ -233,7 +233,7 @@ static void wf_sat_create(struct i2c_adapter *adapter, struct device_node *dev)
sat->nr = -1;
sat->node = of_node_get(dev);
atomic_set(&sat->refcnt, 0);
- init_MUTEX(&sat->mutex);
+ mutex_init(&sat->mutex);
sat->i2c.addr = (addr >> 1) & 0x7f;
sat->i2c.adapter = adapter;
sat->i2c.driver = &wf_sat_driver;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 10:53:25 +0000