mirror of https://gitee.com/openkylin/linux.git
[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>
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781749a46b
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@ -877,7 +877,7 @@ static int ps3_vuart_handle_port_interrupt(struct ps3_system_bus_device *dev)
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struct vuart_bus_priv {
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struct ports_bmp *bmp;
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unsigned int virq;
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struct semaphore probe_mutex;
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struct mutex probe_mutex;
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int use_count;
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struct ps3_system_bus_device *devices[PORT_COUNT];
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} static vuart_bus_priv;
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@ -1015,7 +1015,7 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
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return -EINVAL;
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}
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down(&vuart_bus_priv.probe_mutex);
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mutex_lock(&vuart_bus_priv.probe_mutex);
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result = ps3_vuart_bus_interrupt_get();
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@ -1075,7 +1075,7 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
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goto fail_probe;
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}
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up(&vuart_bus_priv.probe_mutex);
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mutex_unlock(&vuart_bus_priv.probe_mutex);
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return result;
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@ -1088,7 +1088,7 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
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fail_busy:
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ps3_vuart_bus_interrupt_put();
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fail_setup_interrupt:
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up(&vuart_bus_priv.probe_mutex);
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mutex_unlock(&vuart_bus_priv.probe_mutex);
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dev_dbg(&dev->core, "%s:%d: failed\n", __func__, __LINE__);
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return result;
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}
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@ -1127,7 +1127,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
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BUG_ON(!dev);
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down(&vuart_bus_priv.probe_mutex);
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mutex_lock(&vuart_bus_priv.probe_mutex);
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dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__,
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dev->match_id);
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@ -1135,7 +1135,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
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if (!dev->core.driver) {
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dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__,
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__LINE__);
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up(&vuart_bus_priv.probe_mutex);
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mutex_unlock(&vuart_bus_priv.probe_mutex);
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return 0;
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}
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@ -1158,7 +1158,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
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priv = NULL;
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dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
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up(&vuart_bus_priv.probe_mutex);
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mutex_unlock(&vuart_bus_priv.probe_mutex);
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return 0;
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}
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@ -1178,7 +1178,7 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
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BUG_ON(!dev);
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down(&vuart_bus_priv.probe_mutex);
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mutex_lock(&vuart_bus_priv.probe_mutex);
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dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__,
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dev->match_id);
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@ -1186,7 +1186,7 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
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if (!dev->core.driver) {
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dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__,
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__LINE__);
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up(&vuart_bus_priv.probe_mutex);
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mutex_unlock(&vuart_bus_priv.probe_mutex);
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return 0;
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}
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@ -1210,7 +1210,7 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
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dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
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up(&vuart_bus_priv.probe_mutex);
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mutex_unlock(&vuart_bus_priv.probe_mutex);
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return 0;
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}
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@ -1221,7 +1221,7 @@ static int __init ps3_vuart_bus_init(void)
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if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
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return -ENODEV;
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init_MUTEX(&vuart_bus_priv.probe_mutex);
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mutex_init(&vuart_bus_priv.probe_mutex);
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return 0;
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}
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