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Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
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* '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
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torvalds committed Oct 14, 2009
2 parents d470c05 + ac522b6 commit e7d688e
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Showing 8 changed files with 43 additions and 32 deletions.
2 changes: 1 addition & 1 deletion arch/s390/hypfs/hypfs_diag.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
}
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6 changes: 3 additions & 3 deletions arch/s390/kernel/processor.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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");
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13 changes: 11 additions & 2 deletions drivers/s390/block/dasd.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);

Expand All @@ -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;
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8 changes: 5 additions & 3 deletions drivers/s390/block/dasd_eckd.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand All @@ -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);
Expand Down Expand Up @@ -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);
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4 changes: 2 additions & 2 deletions drivers/s390/char/sclp_async.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
{
Expand Down Expand Up @@ -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 }
};
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30 changes: 15 additions & 15 deletions drivers/s390/char/sclp_vt220.c
Original file line number Diff line number Diff line change
Expand Up @@ -705,21 +705,6 @@ static int __init sclp_vt220_tty_init(void)
}
__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;
Expand Down Expand Up @@ -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)
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3 changes: 2 additions & 1 deletion drivers/s390/char/tape_block.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
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9 changes: 4 additions & 5 deletions drivers/s390/cio/device.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand All @@ -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);
Expand Down

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