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scsi: aacraid: change event_wait to a completion

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The event_wait semaphore has completion semantics, so we can
change it over to the completion interface for clarity without
changing the behavior.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Arnd Bergmann
2018-12-10 22:32:41 +01:00
committed by Martin K. Petersen
parent dc71eccc17
commit bc127d93e4
6 changed files with 20 additions and 22 deletions
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19
drivers/scsi/aacraid/dpcsup.c
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@@ -38,7 +38,6 @@
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>
#include <linux/semaphore.h>
#include "aacraid.h"
@@ -129,7 +128,7 @@ unsigned int aac_response_normal(struct aac_queue * q)
spin_lock_irqsave(&fib->event_lock, flagv);
if (!fib->done) {
fib->done = 1;
up(&fib->event_wait);
complete(&fib->event_wait);
}
spin_unlock_irqrestore(&fib->event_lock, flagv);
@@ -376,16 +375,16 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index, int isAif,
start_callback = 1;
} else {
unsigned long flagv;
int complete = 0;
int completed = 0;
dprintk((KERN_INFO "event_wait up\n"));
spin_lock_irqsave(&fib->event_lock, flagv);
if (fib->done == 2) {
fib->done = 1;
complete = 1;
completed = 1;
} else {
fib->done = 1;
up(&fib->event_wait);
complete(&fib->event_wait);
}
spin_unlock_irqrestore(&fib->event_lock, flagv);
@@ -395,7 +394,7 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index, int isAif,
mflags);
FIB_COUNTER_INCREMENT(aac_config.NativeRecved);
if (complete)
if (completed)
aac_fib_complete(fib);
}
} else {
@@ -428,16 +427,16 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index, int isAif,
start_callback = 1;
} else {
unsigned long flagv;
int complete = 0;
int completed = 0;
dprintk((KERN_INFO "event_wait up\n"));
spin_lock_irqsave(&fib->event_lock, flagv);
if (fib->done == 2) {
fib->done = 1;
complete = 1;
completed = 1;
} else {
fib->done = 1;
up(&fib->event_wait);
complete(&fib->event_wait);
}
spin_unlock_irqrestore(&fib->event_lock, flagv);
@@ -447,7 +446,7 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index, int isAif,
mflags);
FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
if (complete)
if (completed)
aac_fib_complete(fib);
}
}