6 files changed, 85 insertions, 101 deletions

diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 306525ac..91ea8e4 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -403,34 +403,22 @@ ccwgroup_driver_register (struct ccwgroup_driver *cdriver)
 	return driver_register(&cdriver->driver);
 }
 
-static inline struct device *
-__get_next_ccwgroup_device(struct device_driver *drv)
+static int
+__ccwgroup_driver_unregister_device(struct device *dev, void *data)
 {
-	struct device *dev, *d;
-
-	down_read(&drv->bus->subsys.rwsem);
-	dev = NULL;
-	list_for_each_entry(d, &drv->devices, driver_list) {
-		dev = get_device(d);
-		if (dev)
-			break;
-	}
-	up_read(&drv->bus->subsys.rwsem);
-	return dev;
+	__ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
+	device_unregister(dev);
+	put_device(dev);
+	return 0;
 }
 
 void
 ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver)
 {
-	struct device *dev;
-
 	/* We don't want ccwgroup devices to live longer than their driver. */
 	get_driver(&cdriver->driver);
-	while ((dev = __get_next_ccwgroup_device(&cdriver->driver))) {
-		__ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
-		device_unregister(dev);
-		put_device(dev);
-	};
+	driver_for_each_device(&cdriver->driver, NULL, NULL,
+			       __ccwgroup_driver_unregister_device);
 	put_driver(&cdriver->driver);
 	driver_unregister(&cdriver->driver);
 }
@@ -449,7 +437,7 @@ __ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev)
 	if (cdev->dev.driver_data) {
 		gdev = (struct ccwgroup_device *)cdev->dev.driver_data;
 		if (get_device(&gdev->dev)) {
-			if (!list_empty(&gdev->dev.node))
+			if (klist_node_attached(&gdev->dev.knode_bus))
 				return gdev;
 			put_device(&gdev->dev);
 		}
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 1d9b3f1..ea813bd 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -1,7 +1,7 @@
 /*
  *  drivers/s390/cio/cio.c
  *   S/390 common I/O routines -- low level i/o calls
- *   $Revision: 1.133 $
+ *   $Revision: 1.134 $
  *
  *    Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
  *			      IBM Corporation
@@ -63,17 +63,17 @@ __setup ("cio_msg=", cio_setup);
 static int __init
 cio_debug_init (void)
 {
-	cio_debug_msg_id = debug_register ("cio_msg", 4, 4, 16*sizeof (long));
+	cio_debug_msg_id = debug_register ("cio_msg", 16, 4, 16*sizeof (long));
 	if (!cio_debug_msg_id)
 		goto out_unregister;
 	debug_register_view (cio_debug_msg_id, &debug_sprintf_view);
 	debug_set_level (cio_debug_msg_id, 2);
-	cio_debug_trace_id = debug_register ("cio_trace", 4, 4, 8);
+	cio_debug_trace_id = debug_register ("cio_trace", 16, 4, 8);
 	if (!cio_debug_trace_id)
 		goto out_unregister;
 	debug_register_view (cio_debug_trace_id, &debug_hex_ascii_view);
 	debug_set_level (cio_debug_trace_id, 2);
-	cio_debug_crw_id = debug_register ("cio_crw", 2, 4, 16*sizeof (long));
+	cio_debug_crw_id = debug_register ("cio_crw", 4, 4, 16*sizeof (long));
 	if (!cio_debug_crw_id)
 		goto out_unregister;
 	debug_register_view (cio_debug_crw_id, &debug_sprintf_view);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 87bd70e..555119c 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -128,34 +128,28 @@ css_probe_device(int irq)
 	return ret;
 }
 
+static int
+check_subchannel(struct device * dev, void * data)
+{
+	struct subchannel *sch;
+	int irq = (unsigned long)data;
+
+	sch = to_subchannel(dev);
+	return (sch->irq == irq);
+}
+
 struct subchannel *
 get_subchannel_by_schid(int irq)
 {
-	struct subchannel *sch;
-	struct list_head *entry;
 	struct device *dev;
 
-	if (!get_bus(&css_bus_type))
-		return NULL;
-	down_read(&css_bus_type.subsys.rwsem);
-	sch = NULL;
-	list_for_each(entry, &css_bus_type.devices.list) {
-		dev = get_device(container_of(entry,
-					      struct device, bus_list));
-		if (!dev)
-			continue;
-		sch = to_subchannel(dev);
-		if (sch->irq == irq)
-			break;
-		put_device(dev);
-		sch = NULL;
-	}
-	up_read(&css_bus_type.subsys.rwsem);
-	put_bus(&css_bus_type);
+	dev = bus_find_device(&css_bus_type, NULL,
+			      (void *)(unsigned long)irq, check_subchannel);
 
-	return sch;
+	return dev ? to_subchannel(dev) : NULL;
 }
 
+
 static inline int
 css_get_subchannel_status(struct subchannel *sch, int schid)
 {
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 809e110..14c76f5 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -514,36 +514,39 @@ ccw_device_register(struct ccw_device *cdev)
 	return ret;
 }
 
+struct match_data {
+	unsigned int  devno;
+	struct ccw_device * sibling;
+};
+
+static int
+match_devno(struct device * dev, void * data)
+{
+	struct match_data * d = (struct match_data *)data;
+	struct ccw_device * cdev;
+
+	cdev = to_ccwdev(dev);
+	if ((cdev->private->state == DEV_STATE_DISCONNECTED) &&
+	    (cdev->private->devno == d->devno) &&
+	    (cdev != d->sibling)) {
+		cdev->private->state = DEV_STATE_NOT_OPER;
+		return 1;
+	}
+	return 0;
+}
+
 static struct ccw_device *
 get_disc_ccwdev_by_devno(unsigned int devno, struct ccw_device *sibling)
 {
-	struct ccw_device *cdev;
-	struct list_head *entry;
 	struct device *dev;
+	struct match_data data = {
+		.devno  = devno,
+		.sibling = sibling,
+	};
 
-	if (!get_bus(&ccw_bus_type))
-		return NULL;
-	down_read(&ccw_bus_type.subsys.rwsem);
-	cdev = NULL;
-	list_for_each(entry, &ccw_bus_type.devices.list) {
-		dev = get_device(container_of(entry,
-					      struct device, bus_list));
-		if (!dev)
-			continue;
-		cdev = to_ccwdev(dev);
-		if ((cdev->private->state == DEV_STATE_DISCONNECTED) &&
-		    (cdev->private->devno == devno) &&
-		    (cdev != sibling)) {
-			cdev->private->state = DEV_STATE_NOT_OPER;
-			break;
-		}
-		put_device(dev);
-		cdev = NULL;
-	}
-	up_read(&ccw_bus_type.subsys.rwsem);
-	put_bus(&ccw_bus_type);
+	dev = bus_find_device(&css_bus_type, NULL, &data, match_devno);
 
-	return cdev;
+	return dev ? to_ccwdev(dev) : NULL;
 }
 
 static void
@@ -647,7 +650,7 @@ io_subchannel_register(void *data)
 	cdev = (struct ccw_device *) data;
 	sch = to_subchannel(cdev->dev.parent);
 
-	if (!list_empty(&sch->dev.children)) {
+	if (klist_node_attached(&cdev->dev.knode_parent)) {
 		bus_rescan_devices(&ccw_bus_type);
 		goto out;
 	}
@@ -1019,30 +1022,29 @@ ccw_device_probe_console(void)
 /*
  * get ccw_device matching the busid, but only if owned by cdrv
  */
+static int
+__ccwdev_check_busid(struct device *dev, void *id)
+{
+	char *bus_id;
+
+	bus_id = (char *)id;
+
+	return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0);
+}
+
+
 struct ccw_device *
 get_ccwdev_by_busid(struct ccw_driver *cdrv, const char *bus_id)
 {
-	struct device *d, *dev;
+	struct device *dev;
 	struct device_driver *drv;
 
 	drv = get_driver(&cdrv->driver);
 	if (!drv)
-		return 0;
-
-	down_read(&drv->bus->subsys.rwsem);
-
-	dev = NULL;
-	list_for_each_entry(d, &drv->devices, driver_list) {
-		dev = get_device(d);
+		return NULL;
 
-		if (dev && !strncmp(bus_id, dev->bus_id, BUS_ID_SIZE))
-			break;
-		else if (dev) {
-			put_device(dev);
-			dev = NULL;
-		}
-	}
-	up_read(&drv->bus->subsys.rwsem);
+	dev = driver_find_device(drv, NULL, (void *)bus_id,
+				 __ccwdev_check_busid);
 	put_driver(drv);
 
 	return dev ? to_ccwdev(dev) : 0;
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index bbe9f45..82194c4 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -56,7 +56,7 @@
 #include "ioasm.h"
 #include "chsc.h"
 
-#define VERSION_QDIO_C "$Revision: 1.98 $"
+#define VERSION_QDIO_C "$Revision: 1.101 $"
 
 /****************** MODULE PARAMETER VARIABLES ********************/
 MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>");
@@ -3342,7 +3342,7 @@ static int
 qdio_register_dbf_views(void)
 {
 	qdio_dbf_setup=debug_register(QDIO_DBF_SETUP_NAME,
-				      QDIO_DBF_SETUP_INDEX,
+				      QDIO_DBF_SETUP_PAGES,
 				      QDIO_DBF_SETUP_NR_AREAS,
 				      QDIO_DBF_SETUP_LEN);
 	if (!qdio_dbf_setup)
@@ -3351,7 +3351,7 @@ qdio_register_dbf_views(void)
 	debug_set_level(qdio_dbf_setup,QDIO_DBF_SETUP_LEVEL);
 
 	qdio_dbf_sbal=debug_register(QDIO_DBF_SBAL_NAME,
-				     QDIO_DBF_SBAL_INDEX,
+				     QDIO_DBF_SBAL_PAGES,
 				     QDIO_DBF_SBAL_NR_AREAS,
 				     QDIO_DBF_SBAL_LEN);
 	if (!qdio_dbf_sbal)
@@ -3361,7 +3361,7 @@ qdio_register_dbf_views(void)
 	debug_set_level(qdio_dbf_sbal,QDIO_DBF_SBAL_LEVEL);
 
 	qdio_dbf_sense=debug_register(QDIO_DBF_SENSE_NAME,
-				      QDIO_DBF_SENSE_INDEX,
+				      QDIO_DBF_SENSE_PAGES,
 				      QDIO_DBF_SENSE_NR_AREAS,
 				      QDIO_DBF_SENSE_LEN);
 	if (!qdio_dbf_sense)
@@ -3371,7 +3371,7 @@ qdio_register_dbf_views(void)
 	debug_set_level(qdio_dbf_sense,QDIO_DBF_SENSE_LEVEL);
 
 	qdio_dbf_trace=debug_register(QDIO_DBF_TRACE_NAME,
-				      QDIO_DBF_TRACE_INDEX,
+				      QDIO_DBF_TRACE_PAGES,
 				      QDIO_DBF_TRACE_NR_AREAS,
 				      QDIO_DBF_TRACE_LEN);
 	if (!qdio_dbf_trace)
@@ -3382,7 +3382,7 @@ qdio_register_dbf_views(void)
 
 #ifdef CONFIG_QDIO_DEBUG
         qdio_dbf_slsb_out=debug_register(QDIO_DBF_SLSB_OUT_NAME,
-                                         QDIO_DBF_SLSB_OUT_INDEX,
+                                         QDIO_DBF_SLSB_OUT_PAGES,
                                          QDIO_DBF_SLSB_OUT_NR_AREAS,
                                          QDIO_DBF_SLSB_OUT_LEN);
         if (!qdio_dbf_slsb_out)
@@ -3391,7 +3391,7 @@ qdio_register_dbf_views(void)
         debug_set_level(qdio_dbf_slsb_out,QDIO_DBF_SLSB_OUT_LEVEL);
 
         qdio_dbf_slsb_in=debug_register(QDIO_DBF_SLSB_IN_NAME,
-                                        QDIO_DBF_SLSB_IN_INDEX,
+                                        QDIO_DBF_SLSB_IN_PAGES,
                                         QDIO_DBF_SLSB_IN_NR_AREAS,
                                         QDIO_DBF_SLSB_IN_LEN);
         if (!qdio_dbf_slsb_in)
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index b6daada..6b8aa6a 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -3,7 +3,7 @@
 
 #include <asm/page.h>
 
-#define VERSION_CIO_QDIO_H "$Revision: 1.32 $"
+#define VERSION_CIO_QDIO_H "$Revision: 1.33 $"
 
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_VERBOSE_LEVEL 9
@@ -132,7 +132,7 @@ enum qdio_irq_states {
 
 #define QDIO_DBF_SETUP_NAME "qdio_setup"
 #define QDIO_DBF_SETUP_LEN 8
-#define QDIO_DBF_SETUP_INDEX 2
+#define QDIO_DBF_SETUP_PAGES 4
 #define QDIO_DBF_SETUP_NR_AREAS 1
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_DBF_SETUP_LEVEL 6
@@ -142,7 +142,7 @@ enum qdio_irq_states {
 
 #define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */
 #define QDIO_DBF_SBAL_LEN 256
-#define QDIO_DBF_SBAL_INDEX 2
+#define QDIO_DBF_SBAL_PAGES 4
 #define QDIO_DBF_SBAL_NR_AREAS 2
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_DBF_SBAL_LEVEL 6
@@ -154,16 +154,16 @@ enum qdio_irq_states {
 #define QDIO_DBF_TRACE_LEN 8
 #define QDIO_DBF_TRACE_NR_AREAS 2
 #ifdef CONFIG_QDIO_DEBUG
-#define QDIO_DBF_TRACE_INDEX 4
+#define QDIO_DBF_TRACE_PAGES 16
 #define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */
 #else /* CONFIG_QDIO_DEBUG */
-#define QDIO_DBF_TRACE_INDEX 2
+#define QDIO_DBF_TRACE_PAGES 4
 #define QDIO_DBF_TRACE_LEVEL 2
 #endif /* CONFIG_QDIO_DEBUG */
 
 #define QDIO_DBF_SENSE_NAME "qdio_sense"
 #define QDIO_DBF_SENSE_LEN 64
-#define QDIO_DBF_SENSE_INDEX 1
+#define QDIO_DBF_SENSE_PAGES 2
 #define QDIO_DBF_SENSE_NR_AREAS 1
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_DBF_SENSE_LEVEL 6
@@ -176,13 +176,13 @@ enum qdio_irq_states {
 
 #define QDIO_DBF_SLSB_OUT_NAME "qdio_slsb_out"
 #define QDIO_DBF_SLSB_OUT_LEN QDIO_MAX_BUFFERS_PER_Q
-#define QDIO_DBF_SLSB_OUT_INDEX 8
+#define QDIO_DBF_SLSB_OUT_PAGES 256
 #define QDIO_DBF_SLSB_OUT_NR_AREAS 1
 #define QDIO_DBF_SLSB_OUT_LEVEL 6
 
 #define QDIO_DBF_SLSB_IN_NAME "qdio_slsb_in"
 #define QDIO_DBF_SLSB_IN_LEN QDIO_MAX_BUFFERS_PER_Q
-#define QDIO_DBF_SLSB_IN_INDEX 8
+#define QDIO_DBF_SLSB_IN_PAGES 256
 #define QDIO_DBF_SLSB_IN_NR_AREAS 1
 #define QDIO_DBF_SLSB_IN_LEVEL 6
 #endif /* CONFIG_QDIO_DEBUG */