[POWERPC] PS3: Vuart: change semaphore to mutex
A general housekeeping change of the PS3 vuart variable
vuart_bus_priv.probe_mutex from semaphore to mutex.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c
index a3e4ea9..90c097a 100644
--- a/drivers/ps3/ps3-vuart.c
+++ b/drivers/ps3/ps3-vuart.c
@@ -877,7 +877,7 @@
struct vuart_bus_priv {
struct ports_bmp *bmp;
unsigned int virq;
- struct semaphore probe_mutex;
+ struct mutex probe_mutex;
int use_count;
struct ps3_system_bus_device *devices[PORT_COUNT];
} static vuart_bus_priv;
@@ -1015,7 +1015,7 @@
return -EINVAL;
}
- down(&vuart_bus_priv.probe_mutex);
+ mutex_lock(&vuart_bus_priv.probe_mutex);
result = ps3_vuart_bus_interrupt_get();
@@ -1075,7 +1075,7 @@
goto fail_probe;
}
- up(&vuart_bus_priv.probe_mutex);
+ mutex_unlock(&vuart_bus_priv.probe_mutex);
return result;
@@ -1088,7 +1088,7 @@
fail_busy:
ps3_vuart_bus_interrupt_put();
fail_setup_interrupt:
- up(&vuart_bus_priv.probe_mutex);
+ mutex_unlock(&vuart_bus_priv.probe_mutex);
dev_dbg(&dev->core, "%s:%d: failed\n", __func__, __LINE__);
return result;
}
@@ -1127,7 +1127,7 @@
BUG_ON(!dev);
- down(&vuart_bus_priv.probe_mutex);
+ mutex_lock(&vuart_bus_priv.probe_mutex);
dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__,
dev->match_id);
@@ -1135,7 +1135,7 @@
if (!dev->core.driver) {
dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__,
__LINE__);
- up(&vuart_bus_priv.probe_mutex);
+ mutex_unlock(&vuart_bus_priv.probe_mutex);
return 0;
}
@@ -1158,7 +1158,7 @@
priv = NULL;
dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
- up(&vuart_bus_priv.probe_mutex);
+ mutex_unlock(&vuart_bus_priv.probe_mutex);
return 0;
}
@@ -1178,7 +1178,7 @@
BUG_ON(!dev);
- down(&vuart_bus_priv.probe_mutex);
+ mutex_lock(&vuart_bus_priv.probe_mutex);
dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__,
dev->match_id);
@@ -1186,7 +1186,7 @@
if (!dev->core.driver) {
dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__,
__LINE__);
- up(&vuart_bus_priv.probe_mutex);
+ mutex_unlock(&vuart_bus_priv.probe_mutex);
return 0;
}
@@ -1210,7 +1210,7 @@
dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
- up(&vuart_bus_priv.probe_mutex);
+ mutex_unlock(&vuart_bus_priv.probe_mutex);
return 0;
}
@@ -1221,7 +1221,7 @@
if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
return -ENODEV;
- init_MUTEX(&vuart_bus_priv.probe_mutex);
+ mutex_init(&vuart_bus_priv.probe_mutex);
return 0;
}