[S390] raw3270: use mutex instead of semaphore
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index f6ef90e..743944a 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -487,7 +487,7 @@
} __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,
@@ -713,7 +713,7 @@
{
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)
@@ -722,7 +722,7 @@
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;
@@ -749,7 +749,7 @@
{
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 */
@@ -764,7 +764,7 @@
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;
}