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] Fix sclp_vt220 error handling.
  [S390] cio: Reorganize initialization.
  [S390] cio: Make CIO_* macros safe if dbfs are not available.
  [S390] cio: Clean up messages.
  [S390] Fix IRQ tracing.
  [S390] vmur: fix diag14_read.
  [S390] Wire up sys_fallocate.
  [S390] add types.h include to s390_ext.h
  [S390] cio: Remove deprecated rdc/rcd.
  [S390] Get rid of new section mismatch warnings.
  [S390] sclp: kill unused SCLP config option.
  [S390] cio: Remove remains of _ccw_device_get_device_number().
  [S390] cio: css_sch_device_register() can be made static.
  [S390] Improve __smp_call_function_map.
  [S390] Convert to smp_call_function_single.

17 files changed, 160 insertions, 392 deletions

diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig
index 3f36cb3910ee..643033890e34 100644
--- a/drivers/s390/char/Kconfig
+++ b/drivers/s390/char/Kconfig
@@ -44,15 +44,9 @@ config CCW_CONSOLE
         depends on TN3215_CONSOLE || TN3270_CONSOLE
         default y
 
-config SCLP
-        bool "Support for SCLP"
-        depends on S390
-        help
-          Include support for the SCLP interface to the service element.
-
 config SCLP_TTY
         bool "Support for SCLP line mode terminal"
-        depends on SCLP
+        depends on S390
         help
           Include support for IBM SCLP line-mode terminals.
 
@@ -65,7 +59,7 @@ config SCLP_CONSOLE
 
 config SCLP_VT220_TTY
         bool "Support for SCLP VT220-compatible terminal"
-        depends on SCLP
+        depends on S390
         help
           Include support for an IBM SCLP VT220-compatible terminal.
 
@@ -78,7 +72,7 @@ config SCLP_VT220_CONSOLE
 
 config SCLP_CPI
         tristate "Control-Program Identification"
-        depends on SCLP
+        depends on S390
         help
           This option enables the hardware console interface for system
           identification. This is commonly used for workload management and
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 743944ad61ec..4f2f81b16cfa 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -147,8 +147,7 @@ raw3270_request_alloc(size_t size)
  * Allocate a new 3270 ccw request from bootmem. Only works very
  * early in the boot process. Only con3270.c should be using this.
  */
-struct raw3270_request *
-raw3270_request_alloc_bootmem(size_t size)
+struct raw3270_request __init *raw3270_request_alloc_bootmem(size_t size)
 {
         struct raw3270_request *rq;
 
@@ -848,8 +847,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
 /*
  * Setup 3270 device configured as console.
  */
-struct raw3270 *
-raw3270_setup_console(struct ccw_device *cdev)
+struct raw3270 __init *raw3270_setup_console(struct ccw_device *cdev)
 {
         struct raw3270 *rp;
         char *ascebc;
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 726334757bbf..40cd21bc5cc4 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -621,11 +621,24 @@ sclp_vt220_flush_buffer(struct tty_struct *tty)
 /*
  * Initialize all relevant components and register driver with system.
  */
-static int
-__sclp_vt220_init(int early)
+static void __init __sclp_vt220_cleanup(void)
+{
+        struct list_head *page, *p;
+
+        list_for_each_safe(page, p, &sclp_vt220_empty) {
+                list_del(page);
+                if (slab_is_available())
+                        free_page((unsigned long) page);
+                else
+                        free_bootmem((unsigned long) page, PAGE_SIZE);
+        }
+}
+
+static int __init __sclp_vt220_init(void)
 {
         void *page;
         int i;
+        int num_pages;
 
         if (sclp_vt220_initialized)
                 return 0;
@@ -642,13 +655,16 @@ __sclp_vt220_init(int early)
         sclp_vt220_flush_later = 0;
 
         /* Allocate pages for output buffering */
-        for (i = 0; i < (early ? MAX_CONSOLE_PAGES : MAX_KMEM_PAGES); i++) {
-                if (early)
-                        page = alloc_bootmem_low_pages(PAGE_SIZE);
-                else
+        num_pages = slab_is_available() ? MAX_KMEM_PAGES : MAX_CONSOLE_PAGES;
+        for (i = 0; i < num_pages; i++) {
+                if (slab_is_available())
                         page = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
-                if (!page)
+                else
+                        page = alloc_bootmem_low_pages(PAGE_SIZE);
+                if (!page) {
+                        __sclp_vt220_cleanup();
                         return -ENOMEM;
+                }
                 list_add_tail((struct list_head *) page, &sclp_vt220_empty);
         }
         return 0;
@@ -662,14 +678,13 @@ static const struct tty_operations sclp_vt220_ops = {
         .flush_chars = sclp_vt220_flush_chars,
         .write_room = sclp_vt220_write_room,
         .chars_in_buffer = sclp_vt220_chars_in_buffer,
-        .flush_buffer = sclp_vt220_flush_buffer
+        .flush_buffer = sclp_vt220_flush_buffer,
 };
 
 /*
  * Register driver with SCLP and Linux and initialize internal tty structures.
  */
-static int __init
-sclp_vt220_tty_init(void)
+static int __init sclp_vt220_tty_init(void)
 {
         struct tty_driver *driver;
         int rc;
@@ -679,18 +694,15 @@ sclp_vt220_tty_init(void)
         driver = alloc_tty_driver(1);
         if (!driver)
                 return -ENOMEM;
-        rc = __sclp_vt220_init(0);
-        if (rc) {
-                put_tty_driver(driver);
-                return rc;
-        }
+        rc = __sclp_vt220_init();
+        if (rc)
+                goto out_driver;
         rc = sclp_register(&sclp_vt220_register);
         if (rc) {
                 printk(KERN_ERR SCLP_VT220_PRINT_HEADER
                        "could not register tty - "
                        "sclp_register returned %d\n", rc);
-                put_tty_driver(driver);
-                return rc;
+                goto out_init;
         }
 
         driver->owner = THIS_MODULE;
@@ -709,14 +721,20 @@ sclp_vt220_tty_init(void)
                 printk(KERN_ERR SCLP_VT220_PRINT_HEADER
                        "could not register tty - "
                        "tty_register_driver returned %d\n", rc);
-                put_tty_driver(driver);
-                return rc;
+                goto out_sclp;
         }
         sclp_vt220_driver = driver;
         return 0;
-}
 
-module_init(sclp_vt220_tty_init);
+out_sclp:
+        sclp_unregister(&sclp_vt220_register);
+out_init:
+        __sclp_vt220_cleanup();
+out_driver:
+        put_tty_driver(driver);
+        return rc;
+}
+__initcall(sclp_vt220_tty_init);
 
 #ifdef CONFIG_SCLP_VT220_CONSOLE
 
@@ -762,7 +780,7 @@ sclp_vt220_con_init(void)
 
         if (!CONSOLE_IS_SCLP)
                 return 0;
-        rc = __sclp_vt220_init(1);
+        rc = __sclp_vt220_init();
         if (rc)
                 return rc;
         /* Attach linux console */
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index e90b0f846195..161867cebd8c 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -486,7 +486,7 @@ static ssize_t diag14_read(struct file *file, char __user *ubuf, size_t count,
                 }
                 if (rc)
                         goto fail;
-                if (reclen)
+                if (reclen && (copied == 0) && (*offs < PAGE_SIZE))
                         *((u16 *) &buf[FILE_RECLEN_OFFSET]) = reclen;
                 len = min(count - copied, PAGE_SIZE - res);
                 if (copy_to_user(ubuf + copied, buf + res, len)) {
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index ec0404874fad..bd5f16f80bf8 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -51,7 +51,7 @@ blacklist_range (range_action action, unsigned int from, unsigned int to,
                 to = from;
 
         if (from > to || to > __MAX_SUBCHANNEL || ssid > __MAX_SSID) {
-                printk (KERN_WARNING "Invalid blacklist range "
+                printk (KERN_WARNING "cio: Invalid blacklist range "
                         "0.%x.%04x to 0.%x.%04x, skipping\n",
                         ssid, from, ssid, to);
                 return;
@@ -119,7 +119,7 @@ blacklist_busid(char **str, int *id0, int *ssid, int *devno)
         return 0;
 confused:
         strsep(str, ",\n");
-        printk(KERN_WARNING "Invalid cio_ignore parameter '%s'\n", sav);
+        printk(KERN_WARNING "cio: Invalid cio_ignore parameter '%s'\n", sav);
         return 1;
 }
 
@@ -166,22 +166,19 @@ blacklist_parse_parameters (char *str, range_action action)
                                         continue;
                         }
                         if (*str == '-') {
-                                printk(KERN_WARNING "invalid cio_ignore "
+                                printk(KERN_WARNING "cio: invalid cio_ignore "
                                         "parameter '%s'\n",
                                         strsep(&str, ",\n"));
                                 continue;
                         }
                         if ((from_id0 != to_id0) ||
                             (from_ssid != to_ssid)) {
-                                printk(KERN_WARNING "invalid cio_ignore range "
-                                        "%x.%x.%04x-%x.%x.%04x\n",
-                                        from_id0, from_ssid, from,
-                                        to_id0, to_ssid, to);
+                                printk(KERN_WARNING "cio: invalid cio_ignore "
+                                       "range %x.%x.%04x-%x.%x.%04x\n",
+                                       from_id0, from_ssid, from,
+                                       to_id0, to_ssid, to);
                                 continue;
                         }
-                        pr_debug("blacklist_setup: adding range "
-                                 "from %x.%x.%04x to %x.%x.%04x\n",
-                                 from_id0, from_ssid, from, to_id0, to_ssid, to);
                         blacklist_range (ra, from, to, to_ssid);
                 }
         }
@@ -239,7 +236,7 @@ blacklist_parse_proc_parameters (char *buf)
                  */
                 blacklist_parse_parameters (buf + 4, add);
         } else {
-                printk (KERN_WARNING "cio_ignore: Parse error; \n"
+                printk (KERN_WARNING "cio: cio_ignore: Parse error; \n"
                         KERN_WARNING "try using 'free all|<devno-range>,"
                                      "<devno-range>,...'\n"
                         KERN_WARNING "or 'add <devno-range>,"
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index e5ccda63e883..b0a18f5176aa 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -359,7 +359,6 @@ ccwgroup_probe (struct device *dev)
         if ((ret = device_create_file(dev, &dev_attr_online)))
                 return ret;
 
-        pr_debug("%s: device %s\n", __func__, gdev->dev.bus_id);
         ret = gdrv->probe ? gdrv->probe(gdev) : -ENODEV;
         if (ret)
                 device_remove_file(dev, &dev_attr_online);
@@ -376,8 +375,6 @@ ccwgroup_remove (struct device *dev)
         gdev = to_ccwgroupdev(dev);
         gdrv = to_ccwgroupdrv(dev->driver);
 
-        pr_debug("%s: device %s\n", __func__, gdev->dev.bus_id);
-
         device_remove_file(dev, &dev_attr_online);
 
         if (gdrv && gdrv->remove)
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index b57d93d986c0..920dd71e6434 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -121,14 +121,8 @@ static int s390_vary_chpid(struct chp_id chpid, int on)
         CIO_TRACE_EVENT( 2, dbf_text);
 
         status = chp_get_status(chpid);
-        if (status < 0) {
-                printk(KERN_ERR "Can't vary unknown chpid %x.%02x\n",
-                       chpid.cssid, chpid.id);
-                return -EINVAL;
-        }
-
         if (!on && !status) {
-                printk(KERN_ERR "chpid %x.%02x is already offline\n",
+                printk(KERN_ERR "cio: chpid %x.%02x is already offline\n",
                        chpid.cssid, chpid.id);
                 return -EINVAL;
         }
@@ -421,21 +415,14 @@ int chp_new(struct chp_id chpid)
                 if (ret)
                         goto out_free;
         } else {
-                static int msg_done;
-
-                if (!msg_done) {
-                        printk(KERN_WARNING "cio: Channel measurements not "
-                               "available, continuing.\n");
-                        msg_done = 1;
-                }
                 chp->cmg = -1;
         }
 
         /* make it known to the system */
         ret = device_register(&chp->dev);
         if (ret) {
-                printk(KERN_WARNING "%s: could not register %x.%02x\n",
-                       __func__, chpid.cssid, chpid.id);
+                CIO_MSG_EVENT(0, "Could not register chp%x.%02x: %d\n",
+                              chpid.cssid, chpid.id, ret);
                 goto out_free;
         }
         ret = sysfs_create_group(&chp->dev.kobj, &chp_attr_group);
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index ea92ac4d6577..597c0c76a2ad 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -990,16 +990,20 @@ out:
         return ret;
 }
 
-static int __init
-chsc_alloc_sei_area(void)
+int __init chsc_alloc_sei_area(void)
 {
         sei_page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
         if (!sei_page)
-                printk(KERN_WARNING"Can't allocate page for processing of " \
-                       "chsc machine checks!\n");
+                CIO_MSG_EVENT(0, "Can't allocate page for processing of "
+                              "chsc machine checks!\n");
         return (sei_page ? 0 : -ENOMEM);
 }
 
+void __init chsc_free_sei_area(void)
+{
+        kfree(sei_page);
+}
+
 int __init
 chsc_enable_facility(int operation_code)
 {
@@ -1051,8 +1055,6 @@ chsc_enable_facility(int operation_code)
         return ret;
 }
 
-subsys_initcall(chsc_alloc_sei_area);
-
 struct css_general_char css_general_characteristics;
 struct css_chsc_char css_chsc_characteristics;
 
@@ -1073,8 +1075,8 @@ chsc_determine_css_characteristics(void)
 
         scsc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
         if (!scsc_area) {
-                printk(KERN_WARNING"cio: Was not able to determine available" \
-                       "CHSCs due to no memory.\n");
+                CIO_MSG_EVENT(0, "Was not able to determine available"
+                              "CHSCs due to no memory.\n");
                 return -ENOMEM;
         }
 
@@ -1083,15 +1085,15 @@ chsc_determine_css_characteristics(void)
 
         result = chsc(scsc_area);
         if (result) {
-                printk(KERN_WARNING"cio: Was not able to determine " \
-                       "available CHSCs, cc=%i.\n", result);
+                CIO_MSG_EVENT(0, "Was not able to determine available CHSCs, "
+                              "cc=%i.\n", result);
                 result = -EIO;
                 goto exit;
         }
 
         if (scsc_area->response.code != 1) {
-                printk(KERN_WARNING"cio: Was not able to determine " \
-                       "available CHSCs.\n");
+                CIO_MSG_EVENT(0, "Was not able to determine "
+                              "available CHSCs.\n");
                 result = -EIO;
                 goto exit;
         }
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 2ad81d11cf7b..d1f5db1e69b9 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -79,6 +79,8 @@ extern int chsc_get_ssd_info(struct subchannel_id schid,
                              struct chsc_ssd_info *ssd);
 extern int chsc_determine_css_characteristics(void);
 extern int css_characteristics_avail;
+extern int chsc_alloc_sei_area(void);
+extern void chsc_free_sei_area(void);
 
 extern int chsc_enable_facility(int);
 struct channel_subsystem;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index ea1defba5693..f2708d65be5a 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -47,8 +47,8 @@ cio_setup (char *parm)
         else if (!strcmp (parm, "no"))
                 cio_show_msg = 0;
         else
-                printk (KERN_ERR "cio_setup : invalid cio_msg parameter '%s'",
-                        parm);
+                printk(KERN_ERR "cio: cio_setup: "
+                       "invalid cio_msg parameter '%s'", parm);
         return 1;
 }
 
@@ -80,7 +80,6 @@ cio_debug_init (void)
                 goto out_unregister;
         debug_register_view (cio_debug_crw_id, &debug_sprintf_view);
         debug_set_level (cio_debug_crw_id, 2);
-        pr_debug("debugging initialized\n");
         return 0;
 
 out_unregister:
@@ -90,7 +89,7 @@ out_unregister:
                 debug_unregister (cio_debug_trace_id);
         if (cio_debug_crw_id)
                 debug_unregister (cio_debug_crw_id);
-        pr_debug("could not initialize debugging\n");
+        printk(KERN_WARNING"cio: could not initialize debugging\n");
         return -1;
 }
 
@@ -568,7 +567,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
          */
         if (sch->st != 0) {
                 CIO_DEBUG(KERN_INFO, 0,
-                          "Subchannel 0.%x.%04x reports "
+                          "cio: Subchannel 0.%x.%04x reports "
                           "non-I/O subchannel type %04X\n",
                           sch->schid.ssid, sch->schid.sch_no, sch->st);
                 /* We stop here for non-io subchannels. */
@@ -601,7 +600,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
         sch->lpm = sch->schib.pmcw.pam & sch->opm;
 
         CIO_DEBUG(KERN_INFO, 0,
-                  "Detected device %04x on subchannel 0.%x.%04X"
+                  "cio: Detected device %04x on subchannel 0.%x.%04X"
                   " - PIM = %02X, PAM = %02X, POM = %02X\n",
                   sch->schib.pmcw.dev, sch->schid.ssid,
                   sch->schid.sch_no, sch->schib.pmcw.pim,
@@ -766,7 +765,7 @@ cio_get_console_sch_no(void)
                 /* unlike in 2.4, we cannot autoprobe here, since
                  * the channel subsystem is not fully initialized.
                  * With some luck, the HWC console can take over */
-                printk(KERN_WARNING "No ccw console found!\n");
+                printk(KERN_WARNING "cio: No ccw console found!\n");
                 return -1;
         }
         return console_irq;
diff --git a/drivers/s390/cio/cio_debug.h b/drivers/s390/cio/cio_debug.h
index f88844adae1b..c9bf8989930f 100644
--- a/drivers/s390/cio/cio_debug.h
+++ b/drivers/s390/cio/cio_debug.h
@@ -23,6 +23,8 @@ extern debug_info_t *cio_debug_crw_id;
 static inline void
 CIO_HEX_EVENT(int level, void *data, int length)
 {
+        if (unlikely(!cio_debug_trace_id))
+                return;
         while (length > 0) {
                 debug_event(cio_debug_trace_id, level, data, length);
                 length -= cio_debug_trace_id->buf_size;
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index 28abd697be1a..02fd00b55e1b 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -1185,12 +1185,12 @@ static ssize_t cmb_enable_store(struct device *dev, struct device_attribute *att
         case '0':
                 ret = disable_cmf(cdev);
                 if (ret)
-                        printk(KERN_INFO "disable_cmf failed (%d)\n", ret);
+                        dev_info(&cdev->dev, "disable_cmf failed (%d)\n", ret);
                 break;
         case '1':
                 ret = enable_cmf(cdev);
                 if (ret && ret != -EBUSY)
-                        printk(KERN_INFO "enable_cmf failed (%d)\n", ret);
+                        dev_info(&cdev->dev, "enable_cmf failed (%d)\n", ret);
                 break;
         }
 
@@ -1280,10 +1280,10 @@ init_cmf(void)
                 format_string = "basic";
                 cmbops = &cmbops_basic;
                 if (cmb_area.num_channels > 4096 || cmb_area.num_channels < 1) {
-                        printk(KERN_ERR "Basic channel measurement facility"
-                                        " can only use 1 to 4096 devices\n"
+                        printk(KERN_ERR "cio: Basic channel measurement "
+                               "facility can only use 1 to 4096 devices\n"
                                KERN_ERR "when the cmf driver is built"
-                                        " as a loadable module\n");
+                               " as a loadable module\n");
                         return 1;
                 }
                 break;
@@ -1292,13 +1292,13 @@ init_cmf(void)
                 cmbops = &cmbops_extended;
                 break;
         default:
-                printk(KERN_ERR "Invalid format %d for channel "
+                printk(KERN_ERR "cio: Invalid format %d for channel "
                         "measurement facility\n", format);
                 return 1;
         }
 
-        printk(KERN_INFO "Channel measurement facility using %s format (%s)\n",
-                format_string, detect_string);
+        printk(KERN_INFO "cio: Channel measurement facility using %s "
+               "format (%s)\n", format_string, detect_string);
         return 0;
 }
 
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index dfca0ef139fd..1c27a5a06b49 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -109,7 +109,7 @@ css_subchannel_release(struct device *dev)
         }
 }
 
-int css_sch_device_register(struct subchannel *sch)
+static int css_sch_device_register(struct subchannel *sch)
 {
         int ret;
 
@@ -184,8 +184,8 @@ static int css_register_subchannel(struct subchannel *sch)
         /* make it known to the system */
         ret = css_sch_device_register(sch);
         if (ret) {
-                printk (KERN_WARNING "%s: could not register %s\n",
-                        __func__, sch->dev.bus_id);
+                CIO_MSG_EVENT(0, "Could not register sch 0.%x.%04x: %d\n",
+                              sch->schid.ssid, sch->schid.sch_no, ret);
                 return ret;
         }
         return ret;
@@ -371,15 +371,12 @@ static int __init slow_subchannel_init(void)
         spin_lock_init(&slow_subchannel_lock);
         slow_subchannel_set = idset_sch_new();
         if (!slow_subchannel_set) {
-                printk(KERN_WARNING "cio: could not allocate slow subchannel "
-                       "set\n");
+                CIO_MSG_EVENT(0, "could not allocate slow subchannel set\n");
                 return -ENOMEM;
         }
         return 0;
 }
 
-subsys_initcall(slow_subchannel_init);
-
 static void css_slow_path_func(struct work_struct *unused)
 {
         struct subchannel_id schid;
@@ -425,8 +422,8 @@ static int reprobe_subchannel(struct subchannel_id schid, void *data)
         struct subchannel *sch;
         int ret;
 
-        CIO_DEBUG(KERN_INFO, 6, "cio: reprobe 0.%x.%04x\n",
-                  schid.ssid, schid.sch_no);
+        CIO_MSG_EVENT(6, "cio: reprobe 0.%x.%04x\n",
+                      schid.ssid, schid.sch_no);
         if (need_reprobe)
                 return -EAGAIN;
 
@@ -642,9 +639,20 @@ init_channel_subsystem (void)
 {
         int ret, i;
 
-        if (chsc_determine_css_characteristics() == 0)
+        ret = chsc_determine_css_characteristics();
+        if (ret == -ENOMEM)
+                goto out; /* No need to continue. */
+        if (ret == 0)
                 css_characteristics_avail = 1;
 
+        ret = chsc_alloc_sei_area();
+        if (ret)
+                goto out;
+
+        ret = slow_subchannel_init();
+        if (ret)
+                goto out;
+
         if ((ret = bus_register(&css_bus_type)))
                 goto out;
 
@@ -710,6 +718,10 @@ out_unregister:
 out_bus:
         bus_unregister(&css_bus_type);
 out:
+        chsc_free_sei_area();
+        kfree(slow_subchannel_set);
+        printk(KERN_WARNING"cio: failed to initialize css driver (%d)!\n",
+               ret);
         return ret;
 }
 
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index ed7977531c3f..5d65e83ca66e 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -139,7 +139,6 @@ struct css_driver {
  */
 extern struct bus_type css_bus_type;
 
-extern int css_sch_device_register(struct subchannel *);
 extern void css_sch_device_unregister(struct subchannel *);
 extern struct subchannel * get_subchannel_by_schid(struct subchannel_id);
 extern int css_init_done;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 001682e70f67..297659fa0e26 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -338,15 +338,20 @@ ccw_device_remove_disconnected(struct ccw_device *cdev)
                 rc = device_schedule_callback(&cdev->dev,
                                               ccw_device_remove_orphan_cb);
                 if (rc)
-                        dev_info(&cdev->dev, "Couldn't unregister orphan\n");
+                        CIO_MSG_EVENT(2, "Couldn't unregister orphan "
+                                      "0.%x.%04x\n",
+                                      cdev->private->dev_id.ssid,
+                                      cdev->private->dev_id.devno);
                 return;
         }
         /* Deregister subchannel, which will kill the ccw device. */
         rc = device_schedule_callback(cdev->dev.parent,
                                       ccw_device_remove_sch_cb);
         if (rc)
-                dev_info(&cdev->dev,
-                         "Couldn't unregister disconnected device\n");
+                CIO_MSG_EVENT(2, "Couldn't unregister disconnected device "
+                              "0.%x.%04x\n",
+                              cdev->private->dev_id.ssid,
+                              cdev->private->dev_id.devno);
 }
 
 int
@@ -379,8 +384,10 @@ ccw_device_set_offline(struct ccw_device *cdev)
         if (ret == 0)
                 wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
         else {
-                pr_debug("ccw_device_offline returned %d, device %s\n",
-                         ret, cdev->dev.bus_id);
+                CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+                              "device 0.%x.%04x\n",
+                              ret, cdev->private->dev_id.ssid,
+                              cdev->private->dev_id.devno);
                 cdev->online = 1;
         }
         return ret;
@@ -402,8 +409,10 @@ ccw_device_set_online(struct ccw_device *cdev)
         if (ret == 0)
                 wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
         else {
-                pr_debug("ccw_device_online returned %d, device %s\n",
-                         ret, cdev->dev.bus_id);
+                CIO_MSG_EVENT(2, "ccw_device_online returned %d, "
+                              "device 0.%x.%04x\n",
+                              ret, cdev->private->dev_id.ssid,
+                              cdev->private->dev_id.devno);
                 return ret;
         }
         if (cdev->private->state != DEV_STATE_ONLINE)
@@ -417,9 +426,11 @@ ccw_device_set_online(struct ccw_device *cdev)
         spin_unlock_irq(cdev->ccwlock);
         if (ret == 0)
                 wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
-        else 
-                pr_debug("ccw_device_offline returned %d, device %s\n",
-                         ret, cdev->dev.bus_id);
+        else
+                CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+                              "device 0.%x.%04x\n",
+                              ret, cdev->private->dev_id.ssid,
+                              cdev->private->dev_id.devno);
         return (ret == 0) ? -ENODEV : ret;
 }
 
@@ -439,9 +450,10 @@ static int online_store_recog_and_online(struct ccw_device *cdev)
         if (cdev->id.cu_type == 0) {
                 ret = ccw_device_recognition(cdev);
                 if (ret) {
-                        printk(KERN_WARNING"Couldn't start recognition "
-                               "for device %s (ret=%d)\n",
-                               cdev->dev.bus_id, ret);
+                        CIO_MSG_EVENT(0, "Couldn't start recognition "
+                                      "for device 0.%x.%04x (ret=%d)\n",
+                                      cdev->private->dev_id.ssid,
+                                      cdev->private->dev_id.devno, ret);
                         return ret;
                 }
                 wait_event(cdev->private->wait_q,
@@ -461,8 +473,8 @@ static void online_store_handle_online(struct ccw_device *cdev, int force)
         if (force && cdev->private->state == DEV_STATE_BOXED) {
                 ret = ccw_device_stlck(cdev);
                 if (ret) {
-                        printk(KERN_WARNING"ccw_device_stlck for device %s "
-                               "returned %d!\n", cdev->dev.bus_id, ret);
+                        dev_warn(&cdev->dev,
+                                 "ccw_device_stlck returned %d!\n", ret);
                         return;
                 }
                 if (cdev->id.cu_type == 0)
@@ -893,8 +905,10 @@ io_subchannel_register(struct work_struct *work)
                         ret = device_reprobe(&cdev->dev);
                         if (ret)
                                 /* We can't do much here. */
-                                dev_info(&cdev->dev, "device_reprobe() returned"
-                                         " %d\n", ret);
+                                CIO_MSG_EVENT(2, "device_reprobe() returned"
+                                              " %d for 0.%x.%04x\n", ret,
+                                              cdev->private->dev_id.ssid,
+                                              cdev->private->dev_id.devno);
                 }
                 goto out;
         }
@@ -907,8 +921,9 @@ io_subchannel_register(struct work_struct *work)
         /* make it known to the system */
         ret = ccw_device_register(cdev);
         if (ret) {
-                printk (KERN_WARNING "%s: could not register %s\n",
-                        __func__, cdev->dev.bus_id);
+                CIO_MSG_EVENT(0, "Could not register ccw dev 0.%x.%04x: %d\n",
+                              cdev->private->dev_id.ssid,
+                              cdev->private->dev_id.devno, ret);
                 put_device(&cdev->dev);
                 spin_lock_irqsave(sch->lock, flags);
                 sch->dev.driver_data = NULL;
@@ -1361,7 +1376,6 @@ ccw_device_remove (struct device *dev)
         struct ccw_driver *cdrv = cdev->drv;
         int ret;
 
-        pr_debug("removing device %s\n", cdev->dev.bus_id);
         if (cdrv->remove)
                 cdrv->remove(cdev);
         if (cdev->online) {
@@ -1374,8 +1388,10 @@ ccw_device_remove (struct device *dev)
                                    dev_fsm_final_state(cdev));
                 else
                         //FIXME: we can't fail!
-                        pr_debug("ccw_device_offline returned %d, device %s\n",
-                                 ret, cdev->dev.bus_id);
+                        CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+                                      "device 0.%x.%04x\n",
+                                      ret, cdev->private->dev_id.ssid,
+                                      cdev->private->dev_id.devno);
         }
         ccw_device_set_timeout(cdev, 0);
         cdev->drv = NULL;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 6bba80929577..8633dc537695 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -268,7 +268,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
         switch (state) {
         case DEV_STATE_NOT_OPER:
                 CIO_DEBUG(KERN_WARNING, 2,
-                          "SenseID : unknown device %04x on subchannel "
+                          "cio: SenseID : unknown device %04x on subchannel "
                           "0.%x.%04x\n", cdev->private->dev_id.devno,
                           sch->schid.ssid, sch->schid.sch_no);
                 break;
@@ -293,7 +293,8 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
                         return;
                 }
                 /* Issue device info message. */
-                CIO_DEBUG(KERN_INFO, 2, "SenseID : device 0.%x.%04x reports: "
+                CIO_DEBUG(KERN_INFO, 2,
+                          "cio: SenseID : device 0.%x.%04x reports: "
                           "CU  Type/Mod = %04X/%02X, Dev Type/Mod = "
                           "%04X/%02X\n",
                           cdev->private->dev_id.ssid,
@@ -303,7 +304,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
                 break;
         case DEV_STATE_BOXED:
                 CIO_DEBUG(KERN_WARNING, 2,
-                          "SenseID : boxed device %04x on subchannel "
+                          "cio: SenseID : boxed device %04x on subchannel "
                           "0.%x.%04x\n", cdev->private->dev_id.devno,
                           sch->schid.ssid, sch->schid.sch_no);
                 break;
@@ -388,7 +389,7 @@ ccw_device_done(struct ccw_device *cdev, int state)
 
         if (state == DEV_STATE_BOXED)
                 CIO_DEBUG(KERN_WARNING, 2,
-                          "Boxed device %04x on subchannel %04x\n",
+                          "cio: Boxed device %04x on subchannel %04x\n",
                           cdev->private->dev_id.devno, sch->schid.sch_no);
 
         if (cdev->private->flags.donotify) {
@@ -946,9 +947,10 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event)
                         /* Basic sense hasn't started. Try again. */
                         ccw_device_do_sense(cdev, irb);
                 else {
-                        printk(KERN_INFO "Huh? %s(%s): unsolicited "
-                               "interrupt...\n",
-                               __FUNCTION__, cdev->dev.bus_id);
+                        CIO_MSG_EVENT(2, "Huh? 0.%x.%04x: unsolicited "
+                                      "interrupt during w4sense...\n",
+                                      cdev->private->dev_id.ssid,
+                                      cdev->private->dev_id.devno);
                         if (cdev->handler)
                                 cdev->handler (cdev, 0, irb);
                 }
@@ -1215,8 +1217,8 @@ ccw_device_nop(struct ccw_device *cdev, enum dev_event dev_event)
 static void
 ccw_device_bug(struct ccw_device *cdev, enum dev_event dev_event)
 {
-        printk(KERN_EMERG "dev_jumptable[%i][%i] == NULL\n",
-               cdev->private->state, dev_event);
+        CIO_MSG_EVENT(0, "dev_jumptable[%i][%i] == NULL\n",
+                      cdev->private->state, dev_event);
         BUG();
 }
 
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index a5d263fb55ae..14eba854b155 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -288,253 +288,6 @@ ccw_device_get_path_mask(struct ccw_device *cdev)
                 return sch->lpm;
 }
 
-static void
-ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb)
-{
-        if (!ip)
-                /* unsolicited interrupt */
-                return;
-
-        /* Abuse intparm for error reporting. */
-        if (IS_ERR(irb))
-                cdev->private->intparm = -EIO;
-        else if (irb->scsw.cc == 1)
-                /* Retry for deferred condition code. */
-                cdev->private->intparm = -EAGAIN;
-        else if ((irb->scsw.dstat !=
-                  (DEV_STAT_CHN_END|DEV_STAT_DEV_END)) ||
-                 (irb->scsw.cstat != 0)) {
-                /*
-                 * We didn't get channel end / device end. Check if path
-                 * verification has been started; we can retry after it has
-                 * finished. We also retry unit checks except for command reject
-                 * or intervention required. Also check for long busy
-                 * conditions.
-                 */
-                 if (cdev->private->flags.doverify ||
-                         cdev->private->state == DEV_STATE_VERIFY)
-                         cdev->private->intparm = -EAGAIN;
-                else if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
-                         !(irb->ecw[0] &
-                           (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
-                        cdev->private->intparm = -EAGAIN;
-                else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) &&
-                         (irb->scsw.dstat & DEV_STAT_DEV_END) &&
-                         (irb->scsw.dstat & DEV_STAT_UNIT_EXCEP))
-                        cdev->private->intparm = -EAGAIN;
-                 else
-                         cdev->private->intparm = -EIO;
-                         
-        } else
-                cdev->private->intparm = 0;
-        wake_up(&cdev->private->wait_q);
-}
-
-static int
-__ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, __u8 lpm)
-{
-        int ret;
-        struct subchannel *sch;
-
-        sch = to_subchannel(cdev->dev.parent);
-        do {
-                ccw_device_set_timeout(cdev, 60 * HZ);
-                ret = cio_start (sch, ccw, lpm);
-                if (ret != 0)
-                        ccw_device_set_timeout(cdev, 0);
-                if (ret == -EBUSY) {
-                        /* Try again later. */
-                        spin_unlock_irq(sch->lock);
-                        msleep(10);
-                        spin_lock_irq(sch->lock);
-                        continue;
-                }
-                if (ret != 0)
-                        /* Non-retryable error. */
-                        break;
-                /* Wait for end of request. */
-                cdev->private->intparm = magic;
-                spin_unlock_irq(sch->lock);
-                wait_event(cdev->private->wait_q,
-                           (cdev->private->intparm == -EIO) ||
-                           (cdev->private->intparm == -EAGAIN) ||
-                           (cdev->private->intparm == 0));
-                spin_lock_irq(sch->lock);
-                /* Check at least for channel end / device end */
-                if (cdev->private->intparm == -EIO) {
-                        /* Non-retryable error. */
-                        ret = -EIO;
-                        break;
-                }
-                if (cdev->private->intparm == 0)
-                        /* Success. */
-                        break;
-                /* Try again later. */
-                spin_unlock_irq(sch->lock);
-                msleep(10);
-                spin_lock_irq(sch->lock);
-        } while (1);
-
-        return ret;
-}
-
-/**
- * read_dev_chars() - read device characteristics
- * @param cdev   target ccw device
- * @param buffer pointer to buffer for rdc data
- * @param length size of rdc data
- * @returns 0 for success, negative error value on failure
- *
- * Context:
- *   called for online device, lock not held
- **/
-int
-read_dev_chars (struct ccw_device *cdev, void **buffer, int length)
-{
-        void (*handler)(struct ccw_device *, unsigned long, struct irb *);
-        struct subchannel *sch;
-        int ret;
-        struct ccw1 *rdc_ccw;
-
-        if (!cdev)
-                return -ENODEV;
-        if (!buffer || !length)
-                return -EINVAL;
-        sch = to_subchannel(cdev->dev.parent);
-
-        CIO_TRACE_EVENT (4, "rddevch");
-        CIO_TRACE_EVENT (4, sch->dev.bus_id);
-
-        rdc_ccw = kzalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
-        if (!rdc_ccw)
-                return -ENOMEM;
-        rdc_ccw->cmd_code = CCW_CMD_RDC;
-        rdc_ccw->count = length;
-        rdc_ccw->flags = CCW_FLAG_SLI;
-        ret = set_normalized_cda (rdc_ccw, (*buffer));
-        if (ret != 0) {
-                kfree(rdc_ccw);
-                return ret;
-        }
-
-        spin_lock_irq(sch->lock);
-        /* Save interrupt handler. */
-        handler = cdev->handler;
-        /* Temporarily install own handler. */
-        cdev->handler = ccw_device_wake_up;
-        if (cdev->private->state != DEV_STATE_ONLINE)
-                ret = -ENODEV;
-        else if (((sch->schib.scsw.stctl & SCSW_STCTL_PRIM_STATUS) &&
-                  !(sch->schib.scsw.stctl & SCSW_STCTL_SEC_STATUS)) ||
-                 cdev->private->flags.doverify)
-                ret = -EBUSY;
-        else
-                /* 0x00D9C4C3 == ebcdic "RDC" */
-                ret = __ccw_device_retry_loop(cdev, rdc_ccw, 0x00D9C4C3, 0);
-
-        /* Restore interrupt handler. */
-        cdev->handler = handler;
-        spin_unlock_irq(sch->lock);
-
-        clear_normalized_cda (rdc_ccw);
-        kfree(rdc_ccw);
-
-        return ret;
-}
-
-/*
- *  Read Configuration data using path mask
- */
-int
-read_conf_data_lpm (struct ccw_device *cdev, void **buffer, int *length, __u8 lpm)
-{
-        void (*handler)(struct ccw_device *, unsigned long, struct irb *);
-        struct subchannel *sch;
-        struct ciw *ciw;
-        char *rcd_buf;
-        int ret;
-        struct ccw1 *rcd_ccw;
-
-        if (!cdev)
-                return -ENODEV;
-        if (!buffer || !length)
-                return -EINVAL;
-        sch = to_subchannel(cdev->dev.parent);
-
-        CIO_TRACE_EVENT (4, "rdconf");
-        CIO_TRACE_EVENT (4, sch->dev.bus_id);
-
-        /*
-         * scan for RCD command in extended SenseID data
-         */
-        ciw = ccw_device_get_ciw(cdev, CIW_TYPE_RCD);
-        if (!ciw || ciw->cmd == 0)
-                return -EOPNOTSUPP;
-
-        /* Adjust requested path mask to excluded varied off paths. */
-        if (lpm) {
-                lpm &= sch->opm;
-                if (lpm == 0)
-                        return -EACCES;
-        }
-
-        rcd_ccw = kzalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
-        if (!rcd_ccw)
-                return -ENOMEM;
-        rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
-        if (!rcd_buf) {
-                kfree(rcd_ccw);
-                return -ENOMEM;
-        }
-        rcd_ccw->cmd_code = ciw->cmd;
-        rcd_ccw->cda = (__u32) __pa (rcd_buf);
-        rcd_ccw->count = ciw->count;
-        rcd_ccw->flags = CCW_FLAG_SLI;
-
-        spin_lock_irq(sch->lock);
-        /* Save interrupt handler. */
-        handler = cdev->handler;
-        /* Temporarily install own handler. */
-        cdev->handler = ccw_device_wake_up;
-        if (cdev->private->state != DEV_STATE_ONLINE)
-                ret = -ENODEV;
-        else if (((sch->schib.scsw.stctl & SCSW_STCTL_PRIM_STATUS) &&
-                  !(sch->schib.scsw.stctl & SCSW_STCTL_SEC_STATUS)) ||
-                 cdev->private->flags.doverify)
-                ret = -EBUSY;
-        else
-                /* 0x00D9C3C4 == ebcdic "RCD" */
-                ret = __ccw_device_retry_loop(cdev, rcd_ccw, 0x00D9C3C4, lpm);
-
-        /* Restore interrupt handler. */
-        cdev->handler = handler;
-        spin_unlock_irq(sch->lock);
-
-        /*
-         * on success we update the user input parms
-         */
-        if (ret) {
-                kfree (rcd_buf);
-                *buffer = NULL;
-                *length = 0;
-        } else {
-                *length = ciw->count;
-                *buffer = rcd_buf;
-        }
-        kfree(rcd_ccw);
-
-        return ret;
-}
-
-/*
- *  Read Configuration data
- */
-int
-read_conf_data (struct ccw_device *cdev, void **buffer, int *length)
-{
-        return read_conf_data_lpm (cdev, buffer, length, 0);
-}
-
 /*
  * Try to break the lock on a boxed device.
  */
@@ -635,12 +388,6 @@ _ccw_device_get_subchannel_number(struct ccw_device *cdev)
         return cdev->private->schid.sch_no;
 }
 
-int
-_ccw_device_get_device_number(struct ccw_device *cdev)
-{
-        return cdev->private->dev_id.devno;
-}
-
 
 MODULE_LICENSE("GPL");
 EXPORT_SYMBOL(ccw_device_set_options_mask);
@@ -655,9 +402,5 @@ EXPORT_SYMBOL(ccw_device_start_timeout_key);
 EXPORT_SYMBOL(ccw_device_start_key);
 EXPORT_SYMBOL(ccw_device_get_ciw);
 EXPORT_SYMBOL(ccw_device_get_path_mask);
-EXPORT_SYMBOL(read_conf_data);
-EXPORT_SYMBOL(read_dev_chars);
 EXPORT_SYMBOL(_ccw_device_get_subchannel_number);
-EXPORT_SYMBOL(_ccw_device_get_device_number);
 EXPORT_SYMBOL_GPL(ccw_device_get_chp_desc);
-EXPORT_SYMBOL_GPL(read_conf_data_lpm);