V4L/DVB (3380): Semaphore to mutex conversion on drivers/media

- Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index 194446f28c55..8d6d6a6cf785 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -32,6 +32,7 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/videodev2.h>
+#include <linux/mutex.h>
 
 #include "cx88.h"
 #include <media/v4l2-common.h>
@@ -75,7 +76,7 @@ MODULE_PARM_DESC(nocomb,"disable comb filter");
 
 static unsigned int cx88_devcount;
 static LIST_HEAD(cx88_devlist);
-static DECLARE_MUTEX(devlist);
+static DEFINE_MUTEX(devlist);
 
 #define NO_SYNC_LINE (-1U)
 
@@ -1036,7 +1037,7 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
         struct list_head *item;
         int i;
 
-        down(&devlist);
+        mutex_lock(&devlist);
         list_for_each(item,&cx88_devlist) {
                 core = list_entry(item, struct cx88_core, devlist);
                 if (pci->bus->number != core->pci_bus)
@@ -1047,7 +1048,7 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
                 if (0 != get_ressources(core,pci))
                         goto fail_unlock;
                 atomic_inc(&core->refcount);
-                up(&devlist);
+                mutex_unlock(&devlist);
                 return core;
         }
         core = kzalloc(sizeof(*core),GFP_KERNEL);
@@ -1122,13 +1123,13 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
         cx88_card_setup(core);
         cx88_ir_init(core,pci);
 
-        up(&devlist);
+        mutex_unlock(&devlist);
         return core;
 
 fail_free:
         kfree(core);
 fail_unlock:
-        up(&devlist);
+        mutex_unlock(&devlist);
         return NULL;
 }
 
@@ -1140,14 +1141,14 @@ void cx88_core_put(struct cx88_core *core, struct pci_dev *pci)
         if (!atomic_dec_and_test(&core->refcount))
                 return;
 
-        down(&devlist);
+        mutex_lock(&devlist);
         cx88_ir_fini(core);
         if (0 == core->i2c_rc)
                 i2c_bit_del_bus(&core->i2c_adap);
         list_del(&core->devlist);
         iounmap(core->lmmio);
         cx88_devcount--;
-        up(&devlist);
+        mutex_unlock(&devlist);
         kfree(core);
 }