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Use mutexes instead of semaphores in I2O driver

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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>
This commit is contained in:
Matthias Kaehlcke
2007-07-15 23:39:49 -07:00
committed by Linus Torvalds
parent 1c6b4aa945
commit 9ac162521c
4 changed files with 14 additions and 13 deletions
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5
include/linux/i2o.h
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@@ -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 i2o_device {
struct device device;
struct semaphore lock; /* device lock */
struct mutex lock; /* device lock */
};
/*
@@ -544,7 +545,7 @@ struct i2o_controller {
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 */