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authorGeoff Levand <geoffrey.levand@am.sony.com>2008-01-19 07:32:53 +1100
committerPaul Mackerras <paulus@samba.org>2008-01-25 22:52:53 +1100
commitc4e6752dd4f249d6797146d655973bc0bde4c26e (patch)
tree367e45e12e94345d88081f58ad44ac233e97aadd
parent781749a46b34dc5c9e4000df7b9d37d675c17463 (diff)
[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>
-rw-r--r--drivers/ps3/ps3-vuart.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c
index a3e4ea9ae5b1..90c097a7a47a 100644
--- a/drivers/ps3/ps3-vuart.c
+++ b/drivers/ps3/ps3-vuart.c
@@ -877,7 +877,7 @@ static int ps3_vuart_handle_port_interrupt(struct ps3_system_bus_device *dev)
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 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
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 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
goto fail_probe;
}
- up(&vuart_bus_priv.probe_mutex);
+ mutex_unlock(&vuart_bus_priv.probe_mutex);
return result;
@@ -1088,7 +1088,7 @@ fail_dev_malloc:
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 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
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 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
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 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
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 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
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 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
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 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
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 @@ static int __init ps3_vuart_bus_init(void)
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;
}

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