summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-09 11:15:23 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-09 11:15:23 -0800
commit531021f2ca681faf58f926771f85bb5c76f13eba (patch)
treeb730cd35a1bde5f2ddd85e080a6269df96c50074 /drivers
parent451688ba0b488faf274e13dc591734b1e695642c (diff)
parent6252d702c5311ce916caf75ed82e5c8245171c92 (diff)
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] dynamic page tables. [S390] Add four level page tables for CONFIG_64BIT=y. [S390] 1K/2K page table pages. [S390] Remove a.out header file. [S390] sclp_vt220: Fix vt220 initialization [S390] qdio: avoid hang when establishing qdio queues [S390] VMEM_MAX_PHYS overflow on 31 bit. [S390] zcrypt: Do not start ap poll thread per default [S390] Fix __ffs_word_loop/__ffz_word_loop inlnie assembly. [S390] Wire up new timerfd syscalls. [S390] Update default configuration.
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/char/sclp_vt220.c31
-rw-r--r--drivers/s390/cio/qdio.c18
-rw-r--r--drivers/s390/crypto/ap_bus.c4
3 files changed, 28 insertions, 25 deletions
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 68071622d4bb..f47f4a768be5 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -3,7 +3,7 @@
* SCLP VT220 terminal driver.
*
* S390 version
- * Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright IBM Corp. 2003,2008
* Author(s): Peter Oberparleiter <Peter.Oberparleiter@de.ibm.com>
*/
@@ -632,6 +632,9 @@ static void __init __sclp_vt220_cleanup(void)
else
free_bootmem((unsigned long) page, PAGE_SIZE);
}
+ if (!list_empty(&sclp_vt220_register.list))
+ sclp_unregister(&sclp_vt220_register);
+ sclp_vt220_initialized = 0;
}
static int __init __sclp_vt220_init(void)
@@ -639,6 +642,7 @@ static int __init __sclp_vt220_init(void)
void *page;
int i;
int num_pages;
+ int rc;
if (sclp_vt220_initialized)
return 0;
@@ -667,7 +671,14 @@ static int __init __sclp_vt220_init(void)
}
list_add_tail((struct list_head *) page, &sclp_vt220_empty);
}
- return 0;
+ rc = sclp_register(&sclp_vt220_register);
+ if (rc) {
+ printk(KERN_ERR SCLP_VT220_PRINT_HEADER
+ "could not register vt220 - "
+ "sclp_register returned %d\n", rc);
+ __sclp_vt220_cleanup();
+ }
+ return rc;
}
static const struct tty_operations sclp_vt220_ops = {
@@ -688,22 +699,17 @@ static int __init sclp_vt220_tty_init(void)
{
struct tty_driver *driver;
int rc;
+ int cleanup;
/* Note: we're not testing for CONSOLE_IS_SCLP here to preserve
* symmetry between VM and LPAR systems regarding ttyS1. */
driver = alloc_tty_driver(1);
if (!driver)
return -ENOMEM;
+ cleanup = !sclp_vt220_initialized;
rc = __sclp_vt220_init();
if (rc)
goto out_driver;
- rc = sclp_register(&sclp_vt220_register);
- if (rc) {
- printk(KERN_ERR SCLP_VT220_PRINT_HEADER
- "could not register tty - "
- "sclp_register returned %d\n", rc);
- goto out_init;
- }
driver->owner = THIS_MODULE;
driver->driver_name = SCLP_VT220_DRIVER_NAME;
@@ -721,15 +727,14 @@ static int __init sclp_vt220_tty_init(void)
printk(KERN_ERR SCLP_VT220_PRINT_HEADER
"could not register tty - "
"tty_register_driver returned %d\n", rc);
- goto out_sclp;
+ goto out_init;
}
sclp_vt220_driver = driver;
return 0;
-out_sclp:
- sclp_unregister(&sclp_vt220_register);
out_init:
- __sclp_vt220_cleanup();
+ if (cleanup)
+ __sclp_vt220_cleanup();
out_driver:
put_tty_driver(driver);
return rc;
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index e2a781b6b21d..097fc0967e9d 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -3189,13 +3189,11 @@ qdio_establish(struct qdio_initialize *init_data)
spin_lock_irqsave(get_ccwdev_lock(cdev),saveflags);
ccw_device_set_options_mask(cdev, 0);
- result=ccw_device_start_timeout(cdev,&irq_ptr->ccw,
- QDIO_DOING_ESTABLISH,0, 0,
- QDIO_ESTABLISH_TIMEOUT);
+ result = ccw_device_start(cdev, &irq_ptr->ccw,
+ QDIO_DOING_ESTABLISH, 0, 0);
if (result) {
- result2=ccw_device_start_timeout(cdev,&irq_ptr->ccw,
- QDIO_DOING_ESTABLISH,0,0,
- QDIO_ESTABLISH_TIMEOUT);
+ result2 = ccw_device_start(cdev, &irq_ptr->ccw,
+ QDIO_DOING_ESTABLISH, 0, 0);
sprintf(dbf_text,"eq:io%4x",result);
QDIO_DBF_TEXT2(1,setup,dbf_text);
if (result2) {
@@ -3219,10 +3217,10 @@ qdio_establish(struct qdio_initialize *init_data)
return result;
}
- /* Timeout is cared for already by using ccw_device_start_timeout(). */
- wait_event_interruptible(cdev->private->wait_q,
- irq_ptr->state == QDIO_IRQ_STATE_ESTABLISHED ||
- irq_ptr->state == QDIO_IRQ_STATE_ERR);
+ wait_event_interruptible_timeout(cdev->private->wait_q,
+ irq_ptr->state == QDIO_IRQ_STATE_ESTABLISHED ||
+ irq_ptr->state == QDIO_IRQ_STATE_ERR,
+ QDIO_ESTABLISH_TIMEOUT);
if (irq_ptr->state == QDIO_IRQ_STATE_ESTABLISHED)
result = 0;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 67aaff3e668d..d0c6fd3b1c19 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -61,9 +61,9 @@ module_param_named(domain, ap_domain_index, int, 0000);
MODULE_PARM_DESC(domain, "domain index for ap devices");
EXPORT_SYMBOL(ap_domain_index);
-static int ap_thread_flag = 1;
+static int ap_thread_flag = 0;
module_param_named(poll_thread, ap_thread_flag, int, 0000);
-MODULE_PARM_DESC(poll_thread, "Turn on/off poll thread, default is 1 (on).");
+MODULE_PARM_DESC(poll_thread, "Turn on/off poll thread, default is 0 (off).");
static struct device *ap_root_device = NULL;
static DEFINE_SPINLOCK(ap_device_lock);