2 files changed, 10 insertions, 13 deletions

diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index ceb0e474fde4..4138564402b8 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -85,11 +85,10 @@ static volatile enum sclp_mask_state_t {
 /* Maximum retry counts */
 #define SCLP_INIT_RETRY         3
 #define SCLP_MASK_RETRY         3
-#define SCLP_REQUEST_RETRY      3
 
 /* Timeout intervals in seconds.*/
-#define SCLP_BUSY_INTERVAL      2
-#define SCLP_RETRY_INTERVAL     5
+#define SCLP_BUSY_INTERVAL      10
+#define SCLP_RETRY_INTERVAL     15
 
 static void sclp_process_queue(void);
 static int sclp_init_mask(int calculate);
@@ -153,11 +152,9 @@ __sclp_start_request(struct sclp_req *req)
         if (sclp_running_state != sclp_running_state_idle)
                 return 0;
         del_timer(&sclp_request_timer);
-        if (req->start_count <= SCLP_REQUEST_RETRY) {
-                rc = service_call(req->command, req->sccb);
-                req->start_count++;
-        } else
-                rc = -EIO;
+        rc = service_call(req->command, req->sccb);
+        req->start_count++;
+
         if (rc == 0) {
                 /* Sucessfully started request */
                 req->status = SCLP_REQ_RUNNING;
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 92be75d99a56..8cf9905d484b 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -232,7 +232,7 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
                 return 0;
 
         mask = 0x80 >> j;
-        spin_lock(&sch->lock);
+        spin_lock_irq(&sch->lock);
 
         stsch(sch->schid, &schib);
         if (!schib.pmcw.dnv)
@@ -281,10 +281,10 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
         if (sch->driver && sch->driver->verify)
                 sch->driver->verify(&sch->dev);
 out_unlock:
-        spin_unlock(&sch->lock);
+        spin_unlock_irq(&sch->lock);
         return 0;
 out_unreg:
-        spin_unlock(&sch->lock);
+        spin_unlock_irq(&sch->lock);
         sch->lpm = 0;
         if (css_enqueue_subchannel_slow(sch->schid)) {
                 css_clear_subchannel_slow_list();
@@ -652,7 +652,7 @@ __chp_add(struct subchannel_id schid, void *data)
         if (!sch)
                 /* Check if the subchannel is now available. */
                 return __chp_add_new_sch(schid);
-        spin_lock(&sch->lock);
+        spin_lock_irq(&sch->lock);
         for (i=0; i<8; i++)
                 if (sch->schib.pmcw.chpid[i] == chp->id) {
                         if (stsch(sch->schid, &sch->schib) != 0) {
@@ -674,7 +674,7 @@ __chp_add(struct subchannel_id schid, void *data)
         if (sch->driver && sch->driver->verify)
                 sch->driver->verify(&sch->dev);
 
-        spin_unlock(&sch->lock);
+        spin_unlock_irq(&sch->lock);
         put_device(&sch->dev);
         return 0;
 }