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path: root/drivers/s390/cio
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Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/ccwgroup.c4
-rw-r--r--drivers/s390/cio/chp.c7
-rw-r--r--drivers/s390/cio/cio.c5
-rw-r--r--drivers/s390/cio/css.c32
-rw-r--r--drivers/s390/cio/device_fsm.c7
-rw-r--r--drivers/s390/cio/qdio_setup.c55
6 files changed, 56 insertions, 54 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index e0ce65fca4e..9a50f245774 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -113,7 +113,8 @@ ccwgroup_release (struct device *dev)
for (i = 0; i < gdev->count; i++) {
if (gdev->cdev[i]) {
- dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
+ if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
+ dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
put_device(&gdev->cdev[i]->dev);
}
}
@@ -296,6 +297,7 @@ error:
if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
put_device(&gdev->cdev[i]->dev);
+ gdev->cdev[i] = NULL;
}
mutex_unlock(&gdev->reg_mutex);
put_device(&gdev->dev);
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index db00b059173..f1216cf6fa8 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -423,7 +423,7 @@ int chp_new(struct chp_id chpid)
ret = sysfs_create_group(&chp->dev.kobj, &chp_attr_group);
if (ret) {
device_unregister(&chp->dev);
- goto out_free;
+ goto out;
}
mutex_lock(&channel_subsystems[chpid.cssid]->mutex);
if (channel_subsystems[chpid.cssid]->cm_enabled) {
@@ -432,14 +432,15 @@ int chp_new(struct chp_id chpid)
sysfs_remove_group(&chp->dev.kobj, &chp_attr_group);
device_unregister(&chp->dev);
mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);
- goto out_free;
+ goto out;
}
}
channel_subsystems[chpid.cssid]->chps[chpid.id] = chp;
mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);
- return ret;
+ goto out;
out_free:
kfree(chp);
+out:
return ret;
}
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 33bff8fec7d..326f4cc7f92 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -174,6 +174,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */
CIO_TRACE_EVENT(4, sch->dev.bus_id);
orb = &to_io_private(sch)->orb;
+ memset(orb, 0, sizeof(union orb));
/* sch is always under 2G. */
orb->cmd.intparm = (u32)(addr_t)sch;
orb->cmd.fmt = 1;
@@ -208,8 +209,10 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */
case 1: /* status pending */
case 2: /* busy */
return -EBUSY;
- default: /* device/path not operational */
+ case 3: /* device/path not operational */
return cio_start_handle_notoper(sch, lpm);
+ default:
+ return ccode;
}
}
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 51489eff6b0..1261e1a9e8c 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -633,6 +633,11 @@ channel_subsystem_release(struct device *dev)
css = to_css(dev);
mutex_destroy(&css->mutex);
+ if (css->pseudo_subchannel) {
+ /* Implies that it has been generated but never registered. */
+ css_subchannel_release(&css->pseudo_subchannel->dev);
+ css->pseudo_subchannel = NULL;
+ }
kfree(css);
}
@@ -785,11 +790,15 @@ init_channel_subsystem (void)
}
channel_subsystems[i] = css;
ret = setup_css(i);
- if (ret)
- goto out_free;
+ if (ret) {
+ kfree(channel_subsystems[i]);
+ goto out_unregister;
+ }
ret = device_register(&css->device);
- if (ret)
- goto out_free_all;
+ if (ret) {
+ put_device(&css->device);
+ goto out_unregister;
+ }
if (css_chsc_characteristics.secm) {
ret = device_create_file(&css->device,
&dev_attr_cm_enable);
@@ -802,7 +811,7 @@ init_channel_subsystem (void)
}
ret = register_reboot_notifier(&css_reboot_notifier);
if (ret)
- goto out_pseudo;
+ goto out_unregister;
css_init_done = 1;
/* Enable default isc for I/O subchannels. */
@@ -810,18 +819,12 @@ init_channel_subsystem (void)
for_each_subchannel(__init_channel_subsystem, NULL);
return 0;
-out_pseudo:
- device_unregister(&channel_subsystems[i]->pseudo_subchannel->dev);
out_file:
- device_remove_file(&channel_subsystems[i]->device,
- &dev_attr_cm_enable);
+ if (css_chsc_characteristics.secm)
+ device_remove_file(&channel_subsystems[i]->device,
+ &dev_attr_cm_enable);
out_device:
device_unregister(&channel_subsystems[i]->device);
-out_free_all:
- kfree(channel_subsystems[i]->pseudo_subchannel->lock);
- kfree(channel_subsystems[i]->pseudo_subchannel);
-out_free:
- kfree(channel_subsystems[i]);
out_unregister:
while (i > 0) {
struct channel_subsystem *css;
@@ -829,6 +832,7 @@ out_unregister:
i--;
css = channel_subsystems[i];
device_unregister(&css->pseudo_subchannel->dev);
+ css->pseudo_subchannel = NULL;
if (css_chsc_characteristics.secm)
device_remove_file(&css->device,
&dev_attr_cm_enable);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 550508df952..84cc9ea346d 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -658,6 +658,13 @@ ccw_device_offline(struct ccw_device *cdev)
{
struct subchannel *sch;
+ /* Allow ccw_device_offline while disconnected. */
+ if (cdev->private->state == DEV_STATE_DISCONNECTED ||
+ cdev->private->state == DEV_STATE_NOT_OPER) {
+ cdev->private->flags.donotify = 0;
+ ccw_device_done(cdev, DEV_STATE_NOT_OPER);
+ return 0;
+ }
if (ccw_device_is_orphan(cdev)) {
ccw_device_done(cdev, DEV_STATE_OFFLINE);
return 0;
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index 1679e2f91c9..a0b6b46e746 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -447,51 +447,36 @@ void qdio_print_subchannel_info(struct qdio_irq *irq_ptr,
{
char s[80];
- sprintf(s, "%s sc:%x ", cdev->dev.bus_id, irq_ptr->schid.sch_no);
-
+ sprintf(s, "qdio: %s ", dev_name(&cdev->dev));
switch (irq_ptr->qib.qfmt) {
case QDIO_QETH_QFMT:
- sprintf(s + strlen(s), "OSADE ");
+ sprintf(s + strlen(s), "OSA ");
break;
case QDIO_ZFCP_QFMT:
sprintf(s + strlen(s), "ZFCP ");
break;
case QDIO_IQDIO_QFMT:
- sprintf(s + strlen(s), "HiperSockets ");
+ sprintf(s + strlen(s), "HS ");
break;
}
- sprintf(s + strlen(s), "using: ");
-
- if (!is_thinint_irq(irq_ptr))
- sprintf(s + strlen(s), "no");
- sprintf(s + strlen(s), "AdapterInterrupts ");
- if (!(irq_ptr->sch_token != 0))
- sprintf(s + strlen(s), "no");
- sprintf(s + strlen(s), "QEBSM ");
- if (!(irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED))
- sprintf(s + strlen(s), "no");
- sprintf(s + strlen(s), "OutboundPCI ");
- if (!css_general_characteristics.aif_tdd)
- sprintf(s + strlen(s), "no");
- sprintf(s + strlen(s), "TDD\n");
- printk(KERN_INFO "qdio: %s", s);
-
- memset(s, 0, sizeof(s));
- sprintf(s, "%s SIGA required: ", cdev->dev.bus_id);
- if (irq_ptr->siga_flag.input)
- sprintf(s + strlen(s), "Read ");
- if (irq_ptr->siga_flag.output)
- sprintf(s + strlen(s), "Write ");
- if (irq_ptr->siga_flag.sync)
- sprintf(s + strlen(s), "Sync ");
- if (!irq_ptr->siga_flag.no_sync_ti)
- sprintf(s + strlen(s), "SyncAI ");
- if (!irq_ptr->siga_flag.no_sync_out_ti)
- sprintf(s + strlen(s), "SyncOutAI ");
- if (!irq_ptr->siga_flag.no_sync_out_pci)
- sprintf(s + strlen(s), "SyncOutPCI");
+ sprintf(s + strlen(s), "on SC %x using ", irq_ptr->schid.sch_no);
+ sprintf(s + strlen(s), "AI:%d ", is_thinint_irq(irq_ptr));
+ sprintf(s + strlen(s), "QEBSM:%d ", (irq_ptr->sch_token) ? 1 : 0);
+ sprintf(s + strlen(s), "PCI:%d ",
+ (irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) ? 1 : 0);
+ sprintf(s + strlen(s), "TDD:%d ", css_general_characteristics.aif_tdd);
+ sprintf(s + strlen(s), "SIGA:");
+ sprintf(s + strlen(s), "%s", (irq_ptr->siga_flag.input) ? "R" : " ");
+ sprintf(s + strlen(s), "%s", (irq_ptr->siga_flag.output) ? "W" : " ");
+ sprintf(s + strlen(s), "%s", (irq_ptr->siga_flag.sync) ? "S" : " ");
+ sprintf(s + strlen(s), "%s",
+ (!irq_ptr->siga_flag.no_sync_ti) ? "A" : " ");
+ sprintf(s + strlen(s), "%s",
+ (!irq_ptr->siga_flag.no_sync_out_ti) ? "O" : " ");
+ sprintf(s + strlen(s), "%s",
+ (!irq_ptr->siga_flag.no_sync_out_pci) ? "P" : " ");
sprintf(s + strlen(s), "\n");
- printk(KERN_INFO "qdio: %s", s);
+ printk(KERN_INFO "%s", s);
}
int __init qdio_setup_init(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-25 09:43:46 +0000