From c4e6752dd4f249d6797146d655973bc0bde4c26e Mon Sep 17 00:00:00 2001 From: Geoff Levand Date: Sat, 19 Jan 2008 07:32:53 +1100 Subject: [PATCH] [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 Signed-off-by: Paul Mackerras --- drivers/ps3/ps3-vuart.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c index a3e4ea9ae5..90c097a7a4 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; } -- 2.39.5