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path: root/drivers/s390/char/sclp.c
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Diffstat (limited to 'drivers/s390/char/sclp.c')
-rw-r--r--drivers/s390/char/sclp.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index d53ee34d398f..840be75e75d4 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -245,7 +245,6 @@ static void sclp_request_timeout(bool force_restart);
static void sclp_process_queue(void);
static void __sclp_make_read_req(void);
static int sclp_init_mask(int calculate);
-static int sclp_init(void);
static void
__sclp_queue_read_req(void)
@@ -262,7 +261,7 @@ __sclp_queue_read_req(void)
static inline void
__sclp_set_request_timer(unsigned long time, void (*cb)(struct timer_list *))
{
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
sclp_request_timer.function = cb;
sclp_request_timer.expires = jiffies + time;
add_timer(&sclp_request_timer);
@@ -408,7 +407,7 @@ __sclp_start_request(struct sclp_req *req)
if (sclp_running_state != sclp_running_state_idle)
return 0;
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
rc = sclp_service_call_trace(req->command, req->sccb);
req->start_count++;
@@ -443,7 +442,7 @@ sclp_process_queue(void)
spin_unlock_irqrestore(&sclp_lock, flags);
return;
}
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
while (!list_empty(&sclp_req_queue)) {
req = list_entry(sclp_req_queue.next, struct sclp_req, list);
rc = __sclp_start_request(req);
@@ -663,7 +662,7 @@ static void sclp_interrupt_handler(struct ext_code ext_code,
!ok_response(finished_sccb, active_cmd));
if (finished_sccb) {
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
sclp_running_state = sclp_running_state_reset_pending;
req = __sclp_find_req(finished_sccb);
if (req) {
@@ -736,11 +735,11 @@ sclp_sync_wait(void)
cr0_sync.val = cr0.val & ~CR0_IRQ_SUBCLASS_MASK;
cr0_sync.val |= 1UL << (63 - 54);
local_ctl_load(0, &cr0_sync);
- __arch_local_irq_stosm(0x01);
+ arch_local_irq_enable_external();
/* Loop until driver state indicates finished request */
while (sclp_running_state != sclp_running_state_idle) {
/* Check for expired request timer */
- if (get_tod_clock_fast() > timeout && del_timer(&sclp_request_timer))
+ if (get_tod_clock_fast() > timeout && timer_delete(&sclp_request_timer))
sclp_request_timer.function(&sclp_request_timer);
cpu_relax();
}
@@ -1166,7 +1165,7 @@ sclp_check_interface(void)
* with IRQs enabled. */
irq_subclass_unregister(IRQ_SUBCLASS_SERVICE_SIGNAL);
spin_lock_irqsave(&sclp_lock, flags);
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
rc = -EBUSY;
if (sclp_init_req.status == SCLP_REQ_DONE) {
if (sccb->header.response_code == 0x20) {
@@ -1195,7 +1194,8 @@ sclp_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
}
static struct notifier_block sclp_reboot_notifier = {
- .notifier_call = sclp_reboot_event
+ .notifier_call = sclp_reboot_event,
+ .priority = INT_MIN,
};
static ssize_t con_pages_show(struct device_driver *dev, char *buf)
@@ -1250,8 +1250,7 @@ static struct platform_driver sclp_pdrv = {
/* Initialize SCLP driver. Return zero if driver is operational, non-zero
* otherwise. */
-static int
-sclp_init(void)
+int sclp_init(void)
{
unsigned long flags;
int rc = 0;
@@ -1293,6 +1292,7 @@ sclp_init(void)
fail_unregister_reboot_notifier:
unregister_reboot_notifier(&sclp_reboot_notifier);
fail_init_state_uninitialized:
+ list_del(&sclp_state_change_event.list);
sclp_init_state = sclp_init_state_uninitialized;
free_page((unsigned long) sclp_read_sccb);
free_page((unsigned long) sclp_init_sccb);
@@ -1303,13 +1303,7 @@ fail_unlock:
static __init int sclp_initcall(void)
{
- int rc;
-
- rc = platform_driver_register(&sclp_pdrv);
- if (rc)
- return rc;
-
- return sclp_init();
+ return platform_driver_register(&sclp_pdrv);
}
arch_initcall(sclp_initcall);