Use mutexes instead of semaphores in I2O driver
The I2O driver uses two semaphores as mutexes. Use the mutex API instead of
the (binary) semaphores.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index 52f53e2..333a370 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -31,6 +31,7 @@
#include <linux/slab.h>
#include <linux/workqueue.h> /* work_struct */
#include <linux/mempool.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include <asm/semaphore.h> /* Needed for MUTEX init macros */
@@ -425,7 +426,7 @@
struct device device;
- struct semaphore lock; /* device lock */
+ struct mutex lock; /* device lock */
};
/*
@@ -544,7 +545,7 @@
struct i2o_dma hrt; /* HW Resource Table */
i2o_lct *lct; /* Logical Config Table */
struct i2o_dma dlct; /* Temp LCT */
- struct semaphore lct_lock; /* Lock for LCT updates */
+ struct mutex lct_lock; /* Lock for LCT updates */
struct i2o_dma status_block; /* IOP status block */
struct i2o_io base; /* controller messaging unit */