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-rw-r--r--drivers/s390/char/con3215.c4
-rw-r--r--drivers/s390/char/monreader.c3
-rw-r--r--drivers/s390/char/raw3270.c6
-rw-r--r--drivers/s390/char/sclp_cmd.c4
-rw-r--r--drivers/s390/char/sclp_tty.c9
-rw-r--r--drivers/s390/char/sclp_vt220.c8
-rw-r--r--drivers/s390/char/zcore.c2
7 files changed, 13 insertions, 23 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 7b00fa634d4..eb5d22795c4 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -502,7 +502,7 @@ static void raw3215_make_room(struct raw3215_info *raw, unsigned int length)
raw3215_try_io(raw);
raw->flags &= ~RAW3215_FLUSHING;
#ifdef CONFIG_TN3215_CONSOLE
- wait_cons_dev();
+ ccw_device_wait_idle(raw->cdev);
#endif
/* Enough room freed up ? */
if (RAW3215_BUFFER_SIZE - raw->count >= length)
@@ -858,7 +858,7 @@ static void con3215_flush(void)
raw = raw3215[0]; /* console 3215 is the first one */
if (raw->port.flags & ASYNC_SUSPENDED)
/* The console is still frozen for suspend. */
- if (ccw_device_force_console())
+ if (ccw_device_force_console(raw->cdev))
/* Forcing didn't work, no panic message .. */
return;
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index f4ff515db25..0da3ae3cd63 100644
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -174,8 +174,7 @@ static void mon_free_mem(struct mon_private *monpriv)
int i;
for (i = 0; i < MON_MSGLIM; i++)
- if (monpriv->msg_array[i])
- kfree(monpriv->msg_array[i]);
+ kfree(monpriv->msg_array[i]);
kfree(monpriv);
}
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 4c9030a5b9f..24a08e8f19e 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -796,7 +796,7 @@ struct raw3270 __init *raw3270_setup_console(struct ccw_device *cdev)
do {
__raw3270_reset_device(rp);
while (!raw3270_state_final(rp)) {
- wait_cons_dev();
+ ccw_device_wait_idle(rp->cdev);
barrier();
}
} while (rp->state != RAW3270_STATE_READY);
@@ -810,7 +810,7 @@ raw3270_wait_cons_dev(struct raw3270 *rp)
unsigned long flags;
spin_lock_irqsave(get_ccwdev_lock(rp->cdev), flags);
- wait_cons_dev();
+ ccw_device_wait_idle(rp->cdev);
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
}
@@ -1274,7 +1274,7 @@ void raw3270_pm_unfreeze(struct raw3270_view *view)
rp = view->dev;
if (rp && test_bit(RAW3270_FLAGS_FROZEN, &rp->flags))
- ccw_device_force_console();
+ ccw_device_force_console(rp->cdev);
#endif
}
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index cd798386b62..178836ec252 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -561,6 +561,8 @@ static void __init sclp_add_standby_memory(void)
add_memory_merged(0);
}
+#define MEM_SCT_SIZE (1UL << SECTION_SIZE_BITS)
+
static void __init insert_increment(u16 rn, int standby, int assigned)
{
struct memory_increment *incr, *new_incr;
@@ -573,7 +575,7 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
new_incr->rn = rn;
new_incr->standby = standby;
if (!standby)
- new_incr->usecount = 1;
+ new_incr->usecount = rzm > MEM_SCT_SIZE ? rzm/MEM_SCT_SIZE : 1;
last_rn = 0;
prev = &sclp_mem_list;
list_for_each_entry(incr, &sclp_mem_list, list) {
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 14b4cb8abcc..7ed7a598781 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -107,7 +107,6 @@ sclp_tty_write_room (struct tty_struct *tty)
static void
sclp_ttybuf_callback(struct sclp_buffer *buffer, int rc)
{
- struct tty_struct *tty;
unsigned long flags;
void *page;
@@ -125,12 +124,8 @@ sclp_ttybuf_callback(struct sclp_buffer *buffer, int rc)
struct sclp_buffer, list);
spin_unlock_irqrestore(&sclp_tty_lock, flags);
} while (buffer && sclp_emit_buffer(buffer, sclp_ttybuf_callback));
- /* check if the tty needs a wake up call */
- tty = tty_port_tty_get(&sclp_port);
- if (tty != NULL) {
- tty_wakeup(tty);
- tty_kref_put(tty);
- }
+
+ tty_port_tty_wakeup(&sclp_port);
}
static inline void
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 6c92f62623b..5aaaa2ec8df 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -114,7 +114,6 @@ static struct sclp_register sclp_vt220_register = {
static void
sclp_vt220_process_queue(struct sclp_vt220_request *request)
{
- struct tty_struct *tty;
unsigned long flags;
void *page;
@@ -139,12 +138,7 @@ sclp_vt220_process_queue(struct sclp_vt220_request *request)
} while (__sclp_vt220_emit(request));
if (request == NULL && sclp_vt220_flush_later)
sclp_vt220_emit_current();
- /* Check if the tty needs a wake up call */
- tty = tty_port_tty_get(&sclp_vt220_port);
- if (tty) {
- tty_wakeup(tty);
- tty_kref_put(tty);
- }
+ tty_port_tty_wakeup(&sclp_vt220_port);
}
#define SCLP_BUFFER_MAX_RETRY 1
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 1d61a01576d..22820610022 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -127,7 +127,7 @@ static int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode)
}
if (mode == TO_USER) {
if (copy_to_user((__force __user void*) dest + offs, buf,
- PAGE_SIZE))
+ count - offs))
return -EFAULT;
} else
memcpy(dest + offs, buf, count - offs);