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-rw-r--r--drivers/s390/cio/ccwgroup.c14
-rw-r--r--drivers/s390/cio/chsc.c10
-rw-r--r--drivers/s390/cio/device.c19
-rw-r--r--drivers/s390/cio/device_fsm.c20
-rw-r--r--drivers/s390/cio/device_pgid.c27
5 files changed, 45 insertions, 45 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 3cba6c9fab11..38954f5cd14c 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -183,11 +183,9 @@ ccwgroup_create(struct device *root,
183 183
184 gdev->creator_id = creator_id; 184 gdev->creator_id = creator_id;
185 gdev->count = argc; 185 gdev->count = argc;
186 gdev->dev = (struct device ) { 186 gdev->dev.bus = &ccwgroup_bus_type;
187 .bus = &ccwgroup_bus_type, 187 gdev->dev.parent = root;
188 .parent = root, 188 gdev->dev.release = ccwgroup_release;
189 .release = ccwgroup_release,
190 };
191 189
192 snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s", 190 snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s",
193 gdev->cdev[0]->dev.bus_id); 191 gdev->cdev[0]->dev.bus_id);
@@ -391,10 +389,8 @@ int
391ccwgroup_driver_register (struct ccwgroup_driver *cdriver) 389ccwgroup_driver_register (struct ccwgroup_driver *cdriver)
392{ 390{
393 /* register our new driver with the core */ 391 /* register our new driver with the core */
394 cdriver->driver = (struct device_driver) { 392 cdriver->driver.bus = &ccwgroup_bus_type;
395 .bus = &ccwgroup_bus_type, 393 cdriver->driver.name = cdriver->name;
396 .name = cdriver->name,
397 };
398 394
399 return driver_register(&cdriver->driver); 395 return driver_register(&cdriver->driver);
400} 396}
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 61ce3f1d5228..c28444af0919 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -238,8 +238,6 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
238 /* Check for single path devices. */ 238 /* Check for single path devices. */
239 if (sch->schib.pmcw.pim == 0x80) 239 if (sch->schib.pmcw.pim == 0x80)
240 goto out_unreg; 240 goto out_unreg;
241 if (sch->vpm == mask)
242 goto out_unreg;
243 241
244 if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) && 242 if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
245 (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) && 243 (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
@@ -258,6 +256,8 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
258 /* trigger path verification. */ 256 /* trigger path verification. */
259 if (sch->driver && sch->driver->verify) 257 if (sch->driver && sch->driver->verify)
260 sch->driver->verify(&sch->dev); 258 sch->driver->verify(&sch->dev);
259 else if (sch->vpm == mask)
260 goto out_unreg;
261out_unlock: 261out_unlock:
262 spin_unlock_irq(&sch->lock); 262 spin_unlock_irq(&sch->lock);
263 return 0; 263 return 0;
@@ -1391,10 +1391,8 @@ new_channel_path(int chpid)
1391 /* fill in status, etc. */ 1391 /* fill in status, etc. */
1392 chp->id = chpid; 1392 chp->id = chpid;
1393 chp->state = 1; 1393 chp->state = 1;
1394 chp->dev = (struct device) { 1394 chp->dev.parent = &css[0]->device;
1395 .parent = &css[0]->device, 1395 chp->dev.release = chp_release;
1396 .release = chp_release,
1397 };
1398 snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp0.%x", chpid); 1396 snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp0.%x", chpid);
1399 1397
1400 /* Obtain channel path description and fill it in. */ 1398 /* Obtain channel path description and fill it in. */
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 585fa04233c3..646da5640401 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -556,12 +556,11 @@ get_disc_ccwdev_by_devno(unsigned int devno, unsigned int ssid,
556 struct ccw_device *sibling) 556 struct ccw_device *sibling)
557{ 557{
558 struct device *dev; 558 struct device *dev;
559 struct match_data data = { 559 struct match_data data;
560 .devno = devno,
561 .ssid = ssid,
562 .sibling = sibling,
563 };
564 560
561 data.devno = devno;
562 data.ssid = ssid;
563 data.sibling = sibling;
565 dev = bus_find_device(&ccw_bus_type, NULL, &data, match_devno); 564 dev = bus_find_device(&ccw_bus_type, NULL, &data, match_devno);
566 565
567 return dev ? to_ccwdev(dev) : NULL; 566 return dev ? to_ccwdev(dev) : NULL;
@@ -835,10 +834,8 @@ io_subchannel_probe (struct subchannel *sch)
835 return -ENOMEM; 834 return -ENOMEM;
836 } 835 }
837 atomic_set(&cdev->private->onoff, 0); 836 atomic_set(&cdev->private->onoff, 0);
838 cdev->dev = (struct device) { 837 cdev->dev.parent = &sch->dev;
839 .parent = &sch->dev, 838 cdev->dev.release = ccw_device_release;
840 .release = ccw_device_release,
841 };
842 INIT_LIST_HEAD(&cdev->private->kick_work.entry); 839 INIT_LIST_HEAD(&cdev->private->kick_work.entry);
843 /* Do first half of device_register. */ 840 /* Do first half of device_register. */
844 device_initialize(&cdev->dev); 841 device_initialize(&cdev->dev);
@@ -977,9 +974,7 @@ ccw_device_console_enable (struct ccw_device *cdev, struct subchannel *sch)
977 int rc; 974 int rc;
978 975
979 /* Initialize the ccw_device structure. */ 976 /* Initialize the ccw_device structure. */
980 cdev->dev = (struct device) { 977 cdev->dev.parent= &sch->dev;
981 .parent = &sch->dev,
982 };
983 rc = io_subchannel_recog(cdev, sch); 978 rc = io_subchannel_recog(cdev, sch);
984 if (rc) 979 if (rc)
985 return rc; 980 return rc;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 6d91c2eb205b..35e162ba6d54 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -267,12 +267,10 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
267 notify = 1; 267 notify = 1;
268 } 268 }
269 /* fill out sense information */ 269 /* fill out sense information */
270 cdev->id = (struct ccw_device_id) { 270 cdev->id.cu_type = cdev->private->senseid.cu_type;
271 .cu_type = cdev->private->senseid.cu_type, 271 cdev->id.cu_model = cdev->private->senseid.cu_model;
272 .cu_model = cdev->private->senseid.cu_model, 272 cdev->id.dev_type = cdev->private->senseid.dev_type;
273 .dev_type = cdev->private->senseid.dev_type, 273 cdev->id.dev_model = cdev->private->senseid.dev_model;
274 .dev_model = cdev->private->senseid.dev_model,
275 };
276 if (notify) { 274 if (notify) {
277 cdev->private->state = DEV_STATE_OFFLINE; 275 cdev->private->state = DEV_STATE_OFFLINE;
278 if (same_dev) { 276 if (same_dev) {
@@ -566,12 +564,10 @@ ccw_device_verify_done(struct ccw_device *cdev, int err)
566 /* Deliver fake irb to device driver, if needed. */ 564 /* Deliver fake irb to device driver, if needed. */
567 if (cdev->private->flags.fake_irb) { 565 if (cdev->private->flags.fake_irb) {
568 memset(&cdev->private->irb, 0, sizeof(struct irb)); 566 memset(&cdev->private->irb, 0, sizeof(struct irb));
569 cdev->private->irb.scsw = (struct scsw) { 567 cdev->private->irb.scsw.cc = 1;
570 .cc = 1, 568 cdev->private->irb.scsw.fctl = SCSW_FCTL_START_FUNC;
571 .fctl = SCSW_FCTL_START_FUNC, 569 cdev->private->irb.scsw.actl = SCSW_ACTL_START_PEND;
572 .actl = SCSW_ACTL_START_PEND, 570 cdev->private->irb.scsw.stctl = SCSW_STCTL_STATUS_PEND;
573 .stctl = SCSW_STCTL_STATUS_PEND,
574 };
575 cdev->private->flags.fake_irb = 0; 571 cdev->private->flags.fake_irb = 0;
576 if (cdev->handler) 572 if (cdev->handler)
577 cdev->handler(cdev, cdev->private->intparm, 573 cdev->handler(cdev, cdev->private->intparm,
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index 32610fd8868e..1693a102dcfe 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -24,6 +24,21 @@
24#include "ioasm.h" 24#include "ioasm.h"
25 25
26/* 26/*
27 * Helper function called from interrupt context to decide whether an
28 * operation should be tried again.
29 */
30static int __ccw_device_should_retry(struct scsw *scsw)
31{
32 /* CC is only valid if start function bit is set. */
33 if ((scsw->fctl & SCSW_FCTL_START_FUNC) && scsw->cc == 1)
34 return 1;
35 /* No more activity. For sense and set PGID we stubbornly try again. */
36 if (!scsw->actl)
37 return 1;
38 return 0;
39}
40
41/*
27 * Start Sense Path Group ID helper function. Used in ccw_device_recog 42 * Start Sense Path Group ID helper function. Used in ccw_device_recog
28 * and ccw_device_sense_pgid. 43 * and ccw_device_sense_pgid.
29 */ 44 */
@@ -155,10 +170,10 @@ ccw_device_sense_pgid_irq(struct ccw_device *cdev, enum dev_event dev_event)
155 int ret; 170 int ret;
156 171
157 irb = (struct irb *) __LC_IRB; 172 irb = (struct irb *) __LC_IRB;
158 /* Retry sense pgid for cc=1. */ 173
159 if (irb->scsw.stctl == 174 if (irb->scsw.stctl ==
160 (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { 175 (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) {
161 if (irb->scsw.cc == 1) { 176 if (__ccw_device_should_retry(&irb->scsw)) {
162 ret = __ccw_device_sense_pgid_start(cdev); 177 ret = __ccw_device_sense_pgid_start(cdev);
163 if (ret && ret != -EBUSY) 178 if (ret && ret != -EBUSY)
164 ccw_device_sense_pgid_done(cdev, ret); 179 ccw_device_sense_pgid_done(cdev, ret);
@@ -391,10 +406,10 @@ ccw_device_verify_irq(struct ccw_device *cdev, enum dev_event dev_event)
391 int ret; 406 int ret;
392 407
393 irb = (struct irb *) __LC_IRB; 408 irb = (struct irb *) __LC_IRB;
394 /* Retry set pgid for cc=1. */ 409
395 if (irb->scsw.stctl == 410 if (irb->scsw.stctl ==
396 (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { 411 (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) {
397 if (irb->scsw.cc == 1) 412 if (__ccw_device_should_retry(&irb->scsw))
398 __ccw_device_verify_start(cdev); 413 __ccw_device_verify_start(cdev);
399 return; 414 return;
400 } 415 }
@@ -494,10 +509,10 @@ ccw_device_disband_irq(struct ccw_device *cdev, enum dev_event dev_event)
494 int ret; 509 int ret;
495 510
496 irb = (struct irb *) __LC_IRB; 511 irb = (struct irb *) __LC_IRB;
497 /* Retry set pgid for cc=1. */ 512
498 if (irb->scsw.stctl == 513 if (irb->scsw.stctl ==
499 (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { 514 (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) {
500 if (irb->scsw.cc == 1) 515 if (__ccw_device_should_retry(&irb->scsw))
501 __ccw_device_disband_start(cdev); 516 __ccw_device_disband_start(cdev);
502 return; 517 return;
503 } 518 }