[S390] raw3270: use mutex instead of semaphore
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -487,7 +487,7 @@ struct raw3270_ua { /* Query Reply structure for Usable Area */
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} __attribute__ ((packed));
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static struct diag210 raw3270_init_diag210;
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static DECLARE_MUTEX(raw3270_init_sem);
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static DEFINE_MUTEX(raw3270_init_mutex);
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static int
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raw3270_init_irq(struct raw3270_view *view, struct raw3270_request *rq,
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@ -713,7 +713,7 @@ raw3270_size_device(struct raw3270 *rp)
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{
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int rc;
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down(&raw3270_init_sem);
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mutex_lock(&raw3270_init_mutex);
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rp->view = &raw3270_init_view;
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raw3270_init_view.dev = rp;
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if (MACHINE_IS_VM)
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@ -722,7 +722,7 @@ raw3270_size_device(struct raw3270 *rp)
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rc = __raw3270_size_device(rp);
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raw3270_init_view.dev = NULL;
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rp->view = NULL;
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up(&raw3270_init_sem);
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mutex_unlock(&raw3270_init_mutex);
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if (rc == 0) { /* Found something. */
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/* Try to find a model. */
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rp->model = 0;
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@ -749,7 +749,7 @@ raw3270_reset_device(struct raw3270 *rp)
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{
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int rc;
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down(&raw3270_init_sem);
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mutex_lock(&raw3270_init_mutex);
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memset(&rp->init_request, 0, sizeof(rp->init_request));
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memset(&rp->init_data, 0, sizeof(rp->init_data));
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/* Store reset data stream to init_data/init_request */
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@ -764,7 +764,7 @@ raw3270_reset_device(struct raw3270 *rp)
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rc = raw3270_start_init(rp, &raw3270_init_view, &rp->init_request);
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raw3270_init_view.dev = NULL;
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rp->view = NULL;
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up(&raw3270_init_sem);
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mutex_unlock(&raw3270_init_mutex);
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return rc;
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}
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