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authorDavid S. Miller <davem@davemloft.net>2009-11-19 01:19:03 -0500
committerDavid S. Miller <davem@davemloft.net>2009-11-19 01:19:03 -0500
commit3505d1a9fd65e2d3e00827857b6795d9d8983658 (patch)
tree941cfafdb57c427bb6b7ebf6354ee93b2a3693b5 /drivers/s390/cio
parentdfef948ed2ba69cf041840b5e860d6b4e16fa0b1 (diff)
parent66b00a7c93ec782d118d2c03bd599cfd041e80a1 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/sfc/sfe4001.c drivers/net/wireless/libertas/cmd.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/rtl8187se/Kconfig drivers/staging/rtl8192e/Kconfig
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/blacklist.c13
-rw-r--r--drivers/s390/cio/chp.c2
-rw-r--r--drivers/s390/cio/device.c13
-rw-r--r--drivers/s390/cio/device.h1
-rw-r--r--drivers/s390/cio/device_fsm.c35
5 files changed, 40 insertions, 24 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 6565f027791e..7eab9ab9f406 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -265,13 +265,11 @@ struct ccwdev_iter {
265static void * 265static void *
266cio_ignore_proc_seq_start(struct seq_file *s, loff_t *offset) 266cio_ignore_proc_seq_start(struct seq_file *s, loff_t *offset)
267{ 267{
268 struct ccwdev_iter *iter; 268 struct ccwdev_iter *iter = s->private;
269 269
270 if (*offset >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1)) 270 if (*offset >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1))
271 return NULL; 271 return NULL;
272 iter = kzalloc(sizeof(struct ccwdev_iter), GFP_KERNEL); 272 memset(iter, 0, sizeof(*iter));
273 if (!iter)
274 return ERR_PTR(-ENOMEM);
275 iter->ssid = *offset / (__MAX_SUBCHANNEL + 1); 273 iter->ssid = *offset / (__MAX_SUBCHANNEL + 1);
276 iter->devno = *offset % (__MAX_SUBCHANNEL + 1); 274 iter->devno = *offset % (__MAX_SUBCHANNEL + 1);
277 return iter; 275 return iter;
@@ -280,8 +278,6 @@ cio_ignore_proc_seq_start(struct seq_file *s, loff_t *offset)
280static void 278static void
281cio_ignore_proc_seq_stop(struct seq_file *s, void *it) 279cio_ignore_proc_seq_stop(struct seq_file *s, void *it)
282{ 280{
283 if (!IS_ERR(it))
284 kfree(it);
285} 281}
286 282
287static void * 283static void *
@@ -378,14 +374,15 @@ static const struct seq_operations cio_ignore_proc_seq_ops = {
378static int 374static int
379cio_ignore_proc_open(struct inode *inode, struct file *file) 375cio_ignore_proc_open(struct inode *inode, struct file *file)
380{ 376{
381 return seq_open(file, &cio_ignore_proc_seq_ops); 377 return seq_open_private(file, &cio_ignore_proc_seq_ops,
378 sizeof(struct ccwdev_iter));
382} 379}
383 380
384static const struct file_operations cio_ignore_proc_fops = { 381static const struct file_operations cio_ignore_proc_fops = {
385 .open = cio_ignore_proc_open, 382 .open = cio_ignore_proc_open,
386 .read = seq_read, 383 .read = seq_read,
387 .llseek = seq_lseek, 384 .llseek = seq_lseek,
388 .release = seq_release, 385 .release = seq_release_private,
389 .write = cio_ignore_write, 386 .write = cio_ignore_write,
390}; 387};
391 388
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 40002830d48a..8ab51608da55 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -393,7 +393,6 @@ int chp_new(struct chp_id chpid)
393 chp->state = 1; 393 chp->state = 1;
394 chp->dev.parent = &channel_subsystems[chpid.cssid]->device; 394 chp->dev.parent = &channel_subsystems[chpid.cssid]->device;
395 chp->dev.release = chp_release; 395 chp->dev.release = chp_release;
396 dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);
397 396
398 /* Obtain channel path description and fill it in. */ 397 /* Obtain channel path description and fill it in. */
399 ret = chsc_determine_base_channel_path_desc(chpid, &chp->desc); 398 ret = chsc_determine_base_channel_path_desc(chpid, &chp->desc);
@@ -411,6 +410,7 @@ int chp_new(struct chp_id chpid)
411 } else { 410 } else {
412 chp->cmg = -1; 411 chp->cmg = -1;
413 } 412 }
413 dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);
414 414
415 /* make it known to the system */ 415 /* make it known to the system */
416 ret = device_register(&chp->dev); 416 ret = device_register(&chp->dev);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index f780bdd3a04e..2490b741e16a 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1250,8 +1250,7 @@ static int io_subchannel_probe(struct subchannel *sch)
1250 unsigned long flags; 1250 unsigned long flags;
1251 struct ccw_dev_id dev_id; 1251 struct ccw_dev_id dev_id;
1252 1252
1253 cdev = sch_get_cdev(sch); 1253 if (cio_is_console(sch->schid)) {
1254 if (cdev) {
1255 rc = sysfs_create_group(&sch->dev.kobj, 1254 rc = sysfs_create_group(&sch->dev.kobj,
1256 &io_subchannel_attr_group); 1255 &io_subchannel_attr_group);
1257 if (rc) 1256 if (rc)
@@ -1260,13 +1259,13 @@ static int io_subchannel_probe(struct subchannel *sch)
1260 "0.%x.%04x (rc=%d)\n", 1259 "0.%x.%04x (rc=%d)\n",
1261 sch->schid.ssid, sch->schid.sch_no, rc); 1260 sch->schid.ssid, sch->schid.sch_no, rc);
1262 /* 1261 /*
1263 * This subchannel already has an associated ccw_device. 1262 * The console subchannel already has an associated ccw_device.
1264 * Throw the delayed uevent for the subchannel, register 1263 * Throw the delayed uevent for the subchannel, register
1265 * the ccw_device and exit. This happens for all early 1264 * the ccw_device and exit.
1266 * devices, e.g. the console.
1267 */ 1265 */
1268 dev_set_uevent_suppress(&sch->dev, 0); 1266 dev_set_uevent_suppress(&sch->dev, 0);
1269 kobject_uevent(&sch->dev.kobj, KOBJ_ADD); 1267 kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
1268 cdev = sch_get_cdev(sch);
1270 cdev->dev.groups = ccwdev_attr_groups; 1269 cdev->dev.groups = ccwdev_attr_groups;
1271 device_initialize(&cdev->dev); 1270 device_initialize(&cdev->dev);
1272 ccw_device_register(cdev); 1271 ccw_device_register(cdev);
@@ -1609,7 +1608,7 @@ int ccw_purge_blacklisted(void)
1609 return 0; 1608 return 0;
1610} 1609}
1611 1610
1612static void device_set_disconnected(struct ccw_device *cdev) 1611void ccw_device_set_disconnected(struct ccw_device *cdev)
1613{ 1612{
1614 if (!cdev) 1613 if (!cdev)
1615 return; 1614 return;
@@ -1705,7 +1704,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int slow)
1705 ccw_device_trigger_reprobe(cdev); 1704 ccw_device_trigger_reprobe(cdev);
1706 break; 1705 break;
1707 case DISC: 1706 case DISC:
1708 device_set_disconnected(cdev); 1707 ccw_device_set_disconnected(cdev);
1709 break; 1708 break;
1710 default: 1709 default:
1711 break; 1710 break;
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index ed39a2caaf47..246c6482842c 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -125,6 +125,7 @@ int ccw_device_stlck(struct ccw_device *);
125void ccw_device_trigger_reprobe(struct ccw_device *); 125void ccw_device_trigger_reprobe(struct ccw_device *);
126void ccw_device_kill_io(struct ccw_device *); 126void ccw_device_kill_io(struct ccw_device *);
127int ccw_device_notify(struct ccw_device *, int); 127int ccw_device_notify(struct ccw_device *, int);
128void ccw_device_set_disconnected(struct ccw_device *cdev);
128void ccw_device_set_notoper(struct ccw_device *cdev); 129void ccw_device_set_notoper(struct ccw_device *cdev);
129 130
130/* qdio needs this. */ 131/* qdio needs this. */
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index e728ce447f6e..b9613d7df9ef 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -387,19 +387,35 @@ ccw_device_done(struct ccw_device *cdev, int state)
387 387
388 cdev->private->state = state; 388 cdev->private->state = state;
389 389
390 if (state == DEV_STATE_BOXED) { 390 switch (state) {
391 case DEV_STATE_BOXED:
391 CIO_MSG_EVENT(0, "Boxed device %04x on subchannel %04x\n", 392 CIO_MSG_EVENT(0, "Boxed device %04x on subchannel %04x\n",
392 cdev->private->dev_id.devno, sch->schid.sch_no); 393 cdev->private->dev_id.devno, sch->schid.sch_no);
393 if (cdev->online && !ccw_device_notify(cdev, CIO_BOXED)) 394 if (cdev->online && !ccw_device_notify(cdev, CIO_BOXED))
394 ccw_device_schedule_sch_unregister(cdev); 395 ccw_device_schedule_sch_unregister(cdev);
395 cdev->private->flags.donotify = 0; 396 cdev->private->flags.donotify = 0;
396 } 397 break;
397 if (state == DEV_STATE_NOT_OPER) { 398 case DEV_STATE_NOT_OPER:
398 CIO_MSG_EVENT(0, "Device %04x gone on subchannel %04x\n", 399 CIO_MSG_EVENT(0, "Device %04x gone on subchannel %04x\n",
399 cdev->private->dev_id.devno, sch->schid.sch_no); 400 cdev->private->dev_id.devno, sch->schid.sch_no);
400 if (!ccw_device_notify(cdev, CIO_GONE)) 401 if (!ccw_device_notify(cdev, CIO_GONE))
401 ccw_device_schedule_sch_unregister(cdev); 402 ccw_device_schedule_sch_unregister(cdev);
403 else
404 ccw_device_set_disconnected(cdev);
402 cdev->private->flags.donotify = 0; 405 cdev->private->flags.donotify = 0;
406 break;
407 case DEV_STATE_DISCONNECTED:
408 CIO_MSG_EVENT(0, "Disconnected device %04x on subchannel "
409 "%04x\n", cdev->private->dev_id.devno,
410 sch->schid.sch_no);
411 if (!ccw_device_notify(cdev, CIO_NO_PATH))
412 ccw_device_schedule_sch_unregister(cdev);
413 else
414 ccw_device_set_disconnected(cdev);
415 cdev->private->flags.donotify = 0;
416 break;
417 default:
418 break;
403 } 419 }
404 420
405 if (cdev->private->flags.donotify) { 421 if (cdev->private->flags.donotify) {
@@ -671,6 +687,10 @@ ccw_device_offline(struct ccw_device *cdev)
671 ccw_device_done(cdev, DEV_STATE_NOT_OPER); 687 ccw_device_done(cdev, DEV_STATE_NOT_OPER);
672 return 0; 688 return 0;
673 } 689 }
690 if (cdev->private->state == DEV_STATE_BOXED) {
691 ccw_device_done(cdev, DEV_STATE_BOXED);
692 return 0;
693 }
674 if (ccw_device_is_orphan(cdev)) { 694 if (ccw_device_is_orphan(cdev)) {
675 ccw_device_done(cdev, DEV_STATE_OFFLINE); 695 ccw_device_done(cdev, DEV_STATE_OFFLINE);
676 return 0; 696 return 0;
@@ -730,11 +750,10 @@ ccw_device_recog_notoper(struct ccw_device *cdev, enum dev_event dev_event)
730static void ccw_device_generic_notoper(struct ccw_device *cdev, 750static void ccw_device_generic_notoper(struct ccw_device *cdev,
731 enum dev_event dev_event) 751 enum dev_event dev_event)
732{ 752{
733 struct subchannel *sch; 753 if (!ccw_device_notify(cdev, CIO_GONE))
734 754 ccw_device_schedule_sch_unregister(cdev);
735 ccw_device_set_notoper(cdev); 755 else
736 sch = to_subchannel(cdev->dev.parent); 756 ccw_device_set_disconnected(cdev);
737 css_schedule_eval(sch->schid);
738} 757}
739 758
740/* 759/*