Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] sclp_vt220 build fix
  [S390] cio: change misleading console logic
  [S390] call home support: fix proc handler
  [S390] dasd: use idal for device characteristics
  [S390] Add highgprs facility to /proc/cpuinfo
  [S390] dasd: fix locking bug
  [S390] tape390: Fix request queue handling in block driver
  [S390] hypfs: Use subcode 6 if subcode 7 is not available

8 files changed, 43 insertions, 32 deletions

diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 704dd396257b..77df726180ba 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -438,7 +438,7 @@ static int diag204_probe(void)
                 }
                 if (diag204((unsigned long)SUBC_STIB6 |
                             (unsigned long)INFO_EXT, pages, buf) >= 0) {
-                        diag204_store_sc = SUBC_STIB7;
+                        diag204_store_sc = SUBC_STIB6;
                         diag204_info_type = INFO_EXT;
                         goto out;
                 }
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index 802c8ab247f3..0729f36c2fe3 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -31,9 +31,9 @@ void __cpuinit print_cpu_info(void)
 
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
-        static const char *hwcap_str[9] = {
+        static const char *hwcap_str[10] = {
                 "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
-                "edat", "etf3eh"
+                "edat", "etf3eh", "highgprs"
         };
         struct _lowcore *lc;
         unsigned long n = (unsigned long) v - 1;
@@ -48,7 +48,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                            num_online_cpus(), loops_per_jiffy/(500000/HZ),
                            (loops_per_jiffy/(5000/HZ))%100);
                 seq_puts(m, "features\t: ");
-                for (i = 0; i < 9; i++)
+                for (i = 0; i < 10; i++)
                         if (hwcap_str[i] && (elf_hwcap & (1UL << i)))
                                 seq_printf(m, "%s ", hwcap_str[i]);
                 seq_puts(m, "\n");
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 53b8c255360a..aaccc8ecfa8f 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2533,6 +2533,7 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 {
         struct dasd_ccw_req *cqr;
         struct ccw1 *ccw;
+        unsigned long *idaw;
 
         cqr = dasd_smalloc_request(magic, 1 /* RDC */, rdc_buffer_size, device);
 
@@ -2546,9 +2547,17 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 
         ccw = cqr->cpaddr;
         ccw->cmd_code = CCW_CMD_RDC;
-        ccw->cda = (__u32)(addr_t)rdc_buffer;
-        ccw->count = rdc_buffer_size;
+        if (idal_is_needed(rdc_buffer, rdc_buffer_size)) {
+                idaw = (unsigned long *) (cqr->data);
+                ccw->cda = (__u32)(addr_t) idaw;
+                ccw->flags = CCW_FLAG_IDA;
+                idaw = idal_create_words(idaw, rdc_buffer, rdc_buffer_size);
+        } else {
+                ccw->cda = (__u32)(addr_t) rdc_buffer;
+                ccw->flags = 0;
+        }
 
+        ccw->count = rdc_buffer_size;
         cqr->startdev = device;
         cqr->memdev = device;
         cqr->expires = 10*HZ;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 0be7c15f45c5..417b97cd3f94 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3216,6 +3216,7 @@ int dasd_eckd_restore_device(struct dasd_device *device)
         struct dasd_eckd_characteristics temp_rdc_data;
         int is_known, rc;
         struct dasd_uid temp_uid;
+        unsigned long flags;
 
         private = (struct dasd_eckd_private *) device->private;
 
@@ -3228,7 +3229,8 @@ int dasd_eckd_restore_device(struct dasd_device *device)
         rc = dasd_eckd_generate_uid(device, &private->uid);
         dasd_get_uid(device->cdev, &temp_uid);
         if (memcmp(&private->uid, &temp_uid, sizeof(struct dasd_uid)) != 0)
-                dev_err(&device->cdev->dev, "The UID of the DASD has changed\n");
+                dev_err(&device->cdev->dev, "The UID of the DASD has "
+                        "changed\n");
         if (rc)
                 goto out_err;
         dasd_set_uid(device->cdev, &private->uid);
@@ -3256,9 +3258,9 @@ int dasd_eckd_restore_device(struct dasd_device *device)
                           "device: %s", rc, dev_name(&device->cdev->dev));
                 goto out_err;
         }
-        spin_lock(get_ccwdev_lock(device->cdev));
+        spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
         memcpy(&private->rdc_data, &temp_rdc_data, sizeof(temp_rdc_data));
-        spin_unlock(get_ccwdev_lock(device->cdev));
+        spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
 
         /* add device to alias management */
         dasd_alias_add_device(device);
diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c
index daaec185ed36..a4f68e5b9c96 100644
--- a/drivers/s390/char/sclp_async.c
+++ b/drivers/s390/char/sclp_async.c
@@ -62,7 +62,7 @@ static struct notifier_block call_home_panic_nb = {
         .priority = INT_MAX,
 };
 
-static int proc_handler_callhome(ctl_table *ctl, int write, struct file *filp,
+static int proc_handler_callhome(struct ctl_table *ctl, int write,
                                  void __user *buffer, size_t *count,
                                  loff_t *ppos)
 {
@@ -100,7 +100,7 @@ static struct ctl_table callhome_table[] = {
         {
                 .procname       = "callhome",
                 .mode           = 0644,
-                .proc_handler   = &proc_handler_callhome,
+                .proc_handler   = proc_handler_callhome,
         },
         { .ctl_name = 0 }
 };
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 178724f2a4c3..b9d2a007e93b 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -705,21 +705,6 @@ out_driver:
 }
 __initcall(sclp_vt220_tty_init);
 
-#ifdef CONFIG_SCLP_VT220_CONSOLE
-
-static void
-sclp_vt220_con_write(struct console *con, const char *buf, unsigned int count)
-{
-        __sclp_vt220_write((const unsigned char *) buf, count, 1, 1, 0);
-}
-
-static struct tty_driver *
-sclp_vt220_con_device(struct console *c, int *index)
-{
-        *index = 0;
-        return sclp_vt220_driver;
-}
-
 static void __sclp_vt220_flush_buffer(void)
 {
         unsigned long flags;
@@ -776,6 +761,21 @@ static void sclp_vt220_pm_event_fn(struct sclp_register *reg,
         }
 }
 
+#ifdef CONFIG_SCLP_VT220_CONSOLE
+
+static void
+sclp_vt220_con_write(struct console *con, const char *buf, unsigned int count)
+{
+        __sclp_vt220_write((const unsigned char *) buf, count, 1, 1, 0);
+}
+
+static struct tty_driver *
+sclp_vt220_con_device(struct console *c, int *index)
+{
+        *index = 0;
+        return sclp_vt220_driver;
+}
+
 static int
 sclp_vt220_notify(struct notifier_block *self,
                           unsigned long event, void *data)
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 64f57ef2763c..0c0705b91c28 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -162,9 +162,10 @@ tapeblock_requeue(struct work_struct *work) {
         spin_lock_irq(&device->blk_data.request_queue_lock);
         while (
                 !blk_queue_plugged(queue) &&
-                (req = blk_fetch_request(queue)) &&
+                blk_peek_request(queue) &&
                 nr_queued < TAPEBLOCK_MIN_REQUEUE
         ) {
+                req = blk_fetch_request(queue);
                 if (rq_data_dir(req) == WRITE) {
                         DBF_EVENT(1, "TBLOCK: Rejecting write request\n");
                         spin_unlock_irq(&device->blk_data.request_queue_lock);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 2ee093ec86e4..2490b741e16a 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1250,8 +1250,7 @@ static int io_subchannel_probe(struct subchannel *sch)
         unsigned long flags;
         struct ccw_dev_id dev_id;
 
-        cdev = sch_get_cdev(sch);
-        if (cdev) {
+        if (cio_is_console(sch->schid)) {
                 rc = sysfs_create_group(&sch->dev.kobj,
                                         &io_subchannel_attr_group);
                 if (rc)
@@ -1260,13 +1259,13 @@ static int io_subchannel_probe(struct subchannel *sch)
                                       "0.%x.%04x (rc=%d)\n",
                                       sch->schid.ssid, sch->schid.sch_no, rc);
                 /*
-                 * This subchannel already has an associated ccw_device.
+                 * The console subchannel already has an associated ccw_device.
                  * Throw the delayed uevent for the subchannel, register
-                 * the ccw_device and exit. This happens for all early
-                 * devices, e.g. the console.
+                 * the ccw_device and exit.
                  */
                 dev_set_uevent_suppress(&sch->dev, 0);
                 kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
+                cdev = sch_get_cdev(sch);
                 cdev->dev.groups = ccwdev_attr_groups;
                 device_initialize(&cdev->dev);
                 ccw_device_register(cdev);