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[S390] raw3270: use mutex instead of semaphore
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Christoph Hellwig authored and Martin Schwidefsky committed May 31, 2007
1 parent e11f0d0 commit d330f93
Showing 1 changed file with 5 additions and 5 deletions.
10 changes: 5 additions & 5 deletions drivers/s390/char/raw3270.c
Original file line number Diff line number Diff line change
Expand Up @@ -487,7 +487,7 @@ struct raw3270_ua { /* Query Reply structure for Usable Area */
} __attribute__ ((packed));

static struct diag210 raw3270_init_diag210;
static DECLARE_MUTEX(raw3270_init_sem);
static DEFINE_MUTEX(raw3270_init_mutex);

static int
raw3270_init_irq(struct raw3270_view *view, struct raw3270_request *rq,
Expand Down Expand Up @@ -713,7 +713,7 @@ raw3270_size_device(struct raw3270 *rp)
{
int rc;

down(&raw3270_init_sem);
mutex_lock(&raw3270_init_mutex);
rp->view = &raw3270_init_view;
raw3270_init_view.dev = rp;
if (MACHINE_IS_VM)
Expand All @@ -722,7 +722,7 @@ raw3270_size_device(struct raw3270 *rp)
rc = __raw3270_size_device(rp);
raw3270_init_view.dev = NULL;
rp->view = NULL;
up(&raw3270_init_sem);
mutex_unlock(&raw3270_init_mutex);
if (rc == 0) { /* Found something. */
/* Try to find a model. */
rp->model = 0;
Expand All @@ -749,7 +749,7 @@ raw3270_reset_device(struct raw3270 *rp)
{
int rc;

down(&raw3270_init_sem);
mutex_lock(&raw3270_init_mutex);
memset(&rp->init_request, 0, sizeof(rp->init_request));
memset(&rp->init_data, 0, sizeof(rp->init_data));
/* Store reset data stream to init_data/init_request */
Expand All @@ -764,7 +764,7 @@ raw3270_reset_device(struct raw3270 *rp)
rc = raw3270_start_init(rp, &raw3270_init_view, &rp->init_request);
raw3270_init_view.dev = NULL;
rp->view = NULL;
up(&raw3270_init_sem);
mutex_unlock(&raw3270_init_mutex);
return rc;
}

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