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authorCornelia Huck <cornelia.huck@de.ibm.com>2007-07-27 12:29:21 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-07-27 12:29:20 +0200
commit4434a38c37dd30e5cd01456a136367a43d8da2dd (patch)
tree7597941ae953297e8f8531e995d9b0c2e9a114a3 /drivers/s390/cio/css.c
parent303fa9e39605c1d56971dd22cd04d2186dc42c98 (diff)
[S390] cio: Reorganize initialization.
- Localize more of the init calls in init_channel_subsystem(). - Print a warning if init_channel_subsystem() failed. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/css.c')
-rw-r--r--drivers/s390/cio/css.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index ac5ceb93389..1c27a5a06b4 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -377,8 +377,6 @@ static int __init slow_subchannel_init(void)
return 0;
}
-subsys_initcall(slow_subchannel_init);
-
static void css_slow_path_func(struct work_struct *unused)
{
struct subchannel_id schid;
@@ -641,9 +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;
@@ -709,6 +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;
}