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] 4level-fixup cleanup
  [S390] Cleanup page table definitions.
  [S390] Introduce follow_table in uaccess_pt.c
  [S390] Remove unused user_seg from thread structure.
  [S390] tlb flush fix.
  [S390] kernel: Fix dump on panic for DASDs under LPAR.
  [S390] struct class_device -> struct device conversion.
  [S390] cio: Fix incomplete commit for uevent suppression.
  [S390] cio: Use to_channelpath() for device to channel path conversion.
  [S390] Add per-cpu idle time / idle count sysfs attributes.
  [S390] Update default configuration.

6 files changed, 41 insertions, 44 deletions

diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 2edd5fb6d3d..8d1c64a24de 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -48,8 +48,8 @@ struct raw3270 {
 	struct timer_list timer;	/* Device timer. */
 
 	unsigned char *ascebc;		/* ascii -> ebcdic table */
-	struct class_device *clttydev;	/* 3270-class tty device ptr */
-	struct class_device *cltubdev;	/* 3270-class tub device ptr */
+	struct device *clttydev;	/* 3270-class tty device ptr */
+	struct device *cltubdev;	/* 3270-class tub device ptr */
 
 	struct raw3270_request init_request;
 	unsigned char init_data[256];
@@ -1107,11 +1107,9 @@ raw3270_delete_device(struct raw3270 *rp)
 	/* Remove from device chain. */
 	mutex_lock(&raw3270_mutex);
 	if (rp->clttydev && !IS_ERR(rp->clttydev))
-		class_device_destroy(class3270,
-				     MKDEV(IBM_TTY3270_MAJOR, rp->minor));
+		device_destroy(class3270, MKDEV(IBM_TTY3270_MAJOR, rp->minor));
 	if (rp->cltubdev && !IS_ERR(rp->cltubdev))
-		class_device_destroy(class3270,
-				     MKDEV(IBM_FS3270_MAJOR, rp->minor));
+		device_destroy(class3270, MKDEV(IBM_FS3270_MAJOR, rp->minor));
 	list_del_init(&rp->list);
 	mutex_unlock(&raw3270_mutex);
 
@@ -1181,24 +1179,22 @@ static int raw3270_create_attributes(struct raw3270 *rp)
 	if (rc)
 		goto out;
 
-	rp->clttydev = class_device_create(class3270, NULL,
-					   MKDEV(IBM_TTY3270_MAJOR, rp->minor),
-					   &rp->cdev->dev, "tty%s",
-					   rp->cdev->dev.bus_id);
+	rp->clttydev = device_create(class3270, &rp->cdev->dev,
+				     MKDEV(IBM_TTY3270_MAJOR, rp->minor),
+				     "tty%s", rp->cdev->dev.bus_id);
 	if (IS_ERR(rp->clttydev)) {
 		rc = PTR_ERR(rp->clttydev);
 		goto out_ttydev;
 	}
 
-	rp->cltubdev = class_device_create(class3270, NULL,
-					   MKDEV(IBM_FS3270_MAJOR, rp->minor),
-					   &rp->cdev->dev, "tub%s",
-					   rp->cdev->dev.bus_id);
+	rp->cltubdev = device_create(class3270, &rp->cdev->dev,
+				     MKDEV(IBM_FS3270_MAJOR, rp->minor),
+				     "tub%s", rp->cdev->dev.bus_id);
 	if (!IS_ERR(rp->cltubdev))
 		goto out;
 
 	rc = PTR_ERR(rp->cltubdev);
-	class_device_destroy(class3270, MKDEV(IBM_TTY3270_MAJOR, rp->minor));
+	device_destroy(class3270, MKDEV(IBM_TTY3270_MAJOR, rp->minor));
 
 out_ttydev:
 	sysfs_remove_group(&rp->cdev->dev.kobj, &raw3270_attr_group);
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index 2e0d29730b6..aa7f166f403 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -69,12 +69,9 @@ struct tape_class_device *register_tape_dev(
 	if (rc)
 		goto fail_with_cdev;
 
-	tcd->class_device = class_device_create(
-				tape_class,
-				NULL,
-				tcd->char_device->dev,
-				device,
-				"%s", tcd->device_name
+	tcd->class_device = device_create(tape_class, device,
+					  tcd->char_device->dev,
+					  "%s", tcd->device_name
 			);
 	rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0;
 	if (rc)
@@ -90,7 +87,7 @@ struct tape_class_device *register_tape_dev(
 	return tcd;
 
 fail_with_class_device:
-	class_device_destroy(tape_class, tcd->char_device->dev);
+	device_destroy(tape_class, tcd->char_device->dev);
 
 fail_with_cdev:
 	cdev_del(tcd->char_device);
@@ -105,11 +102,9 @@ EXPORT_SYMBOL(register_tape_dev);
 void unregister_tape_dev(struct tape_class_device *tcd)
 {
 	if (tcd != NULL && !IS_ERR(tcd)) {
-		sysfs_remove_link(
-			&tcd->class_device->dev->kobj,
-			tcd->mode_name
-		);
-		class_device_destroy(tape_class, tcd->char_device->dev);
+		sysfs_remove_link(&tcd->class_device->kobj,
+				  tcd->mode_name);
+		device_destroy(tape_class, tcd->char_device->dev);
 		cdev_del(tcd->char_device);
 		kfree(tcd);
 	}
diff --git a/drivers/s390/char/tape_class.h b/drivers/s390/char/tape_class.h
index a8bd9b47fad..e2b5ac918ac 100644
--- a/drivers/s390/char/tape_class.h
+++ b/drivers/s390/char/tape_class.h
@@ -24,8 +24,8 @@
 #define TAPECLASS_NAME_LEN	32
 
 struct tape_class_device {
-	struct cdev *		char_device;
-	struct class_device *	class_device;
+	struct cdev		*char_device;
+	struct device		*class_device;
 	char			device_name[TAPECLASS_NAME_LEN];
 	char			mode_name[TAPECLASS_NAME_LEN];
 };
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index 12f7a4ce82c..e0c4c508e12 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -74,7 +74,7 @@ struct vmlogrdr_priv_t {
 	int dev_in_use; /* 1: already opened, 0: not opened*/
 	spinlock_t priv_lock;
 	struct device  *device;
-	struct class_device  *class_device;
+	struct device  *class_device;
 	int autorecording;
 	int autopurge;
 };
@@ -762,12 +762,10 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv)
 		device_unregister(dev);
 		return ret;
 	}
-	priv->class_device = class_device_create(
-				vmlogrdr_class,
-				NULL,
-				MKDEV(vmlogrdr_major, priv->minor_num),
-				dev,
-				"%s", dev->bus_id );
+	priv->class_device = device_create(vmlogrdr_class, dev,
+					   MKDEV(vmlogrdr_major,
+						 priv->minor_num),
+					   "%s", dev->bus_id);
 	if (IS_ERR(priv->class_device)) {
 		ret = PTR_ERR(priv->class_device);
 		priv->class_device=NULL;
@@ -783,8 +781,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv)
 
 static int vmlogrdr_unregister_device(struct vmlogrdr_priv_t *priv)
 {
-	class_device_destroy(vmlogrdr_class,
-			     MKDEV(vmlogrdr_major, priv->minor_num));
+	device_destroy(vmlogrdr_class, MKDEV(vmlogrdr_major, priv->minor_num));
 	if (priv->device != NULL) {
 		sysfs_remove_group(&priv->device->kobj, &vmlogrdr_attr_group);
 		device_unregister(priv->device);
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 42c1f4659ad..297cdceb0ca 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -246,7 +246,7 @@ int chp_add_cmg_attr(struct channel_path *chp)
 static ssize_t chp_status_show(struct device *dev,
 			       struct device_attribute *attr, char *buf)
 {
-	struct channel_path *chp = container_of(dev, struct channel_path, dev);
+	struct channel_path *chp = to_channelpath(dev);
 
 	if (!chp)
 		return 0;
@@ -258,7 +258,7 @@ static ssize_t chp_status_write(struct device *dev,
 				struct device_attribute *attr,
 				const char *buf, size_t count)
 {
-	struct channel_path *cp = container_of(dev, struct channel_path, dev);
+	struct channel_path *cp = to_channelpath(dev);
 	char cmd[10];
 	int num_args;
 	int error;
@@ -286,7 +286,7 @@ static ssize_t chp_configure_show(struct device *dev,
 	struct channel_path *cp;
 	int status;
 
-	cp = container_of(dev, struct channel_path, dev);
+	cp = to_channelpath(dev);
 	status = chp_info_get_status(cp->chpid);
 	if (status < 0)
 		return status;
@@ -308,7 +308,7 @@ static ssize_t chp_configure_write(struct device *dev,
 		return -EINVAL;
 	if (val != 0 && val != 1)
 		return -EINVAL;
-	cp = container_of(dev, struct channel_path, dev);
+	cp = to_channelpath(dev);
 	chp_cfg_schedule(cp->chpid, val);
 	cfg_wait_idle();
 
@@ -320,7 +320,7 @@ static DEVICE_ATTR(configure, 0644, chp_configure_show, chp_configure_write);
 static ssize_t chp_type_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)
 {
-	struct channel_path *chp = container_of(dev, struct channel_path, dev);
+	struct channel_path *chp = to_channelpath(dev);
 
 	if (!chp)
 		return 0;
@@ -374,7 +374,7 @@ static void chp_release(struct device *dev)
 {
 	struct channel_path *cp;
 
-	cp = container_of(dev, struct channel_path, dev);
+	cp = to_channelpath(dev);
 	kfree(cp);
 }
 
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 5d83dd47146..838f7ac0dc3 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -182,6 +182,15 @@ static int css_register_subchannel(struct subchannel *sch)
 	sch->dev.bus = &css_bus_type;
 	sch->dev.release = &css_subchannel_release;
 	sch->dev.groups = subch_attr_groups;
+	/*
+	 * We don't want to generate uevents for I/O subchannels that don't
+	 * have a working ccw device behind them since they will be
+	 * unregistered before they can be used anyway, so we delay the add
+	 * uevent until after device recognition was successful.
+	 */
+	if (!cio_is_console(sch->schid))
+		/* Console is special, no need to suppress. */
+		sch->dev.uevent_suppress = 1;
 	css_update_ssd_info(sch);
 	/* make it known to the system */
 	ret = css_sch_device_register(sch);