diff options
Diffstat (limited to 'drivers/s390/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 85d43c6bcb6..393c73c47f8 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -152,24 +152,15 @@ css_alloc_subchannel(struct subchannel_id schid) } static void -css_free_subchannel(struct subchannel *sch) -{ - if (sch) { - /* Reset intparm to zeroes. */ - sch->config.intparm = 0; - cio_commit_config(sch); - kfree(sch->lock); - kfree(sch); - } -} - -static void css_subchannel_release(struct device *dev) { struct subchannel *sch; sch = to_subchannel(dev); if (!cio_is_console(sch->schid)) { + /* Reset intparm to zeroes. */ + sch->config.intparm = 0; + cio_commit_config(sch); kfree(sch->lock); kfree(sch); } @@ -180,6 +171,8 @@ static int css_sch_device_register(struct subchannel *sch) int ret; mutex_lock(&sch->reg_mutex); + dev_set_name(&sch->dev, "0.%x.%04x", sch->schid.ssid, + sch->schid.sch_no); ret = device_register(&sch->dev); mutex_unlock(&sch->reg_mutex); return ret; @@ -273,7 +266,7 @@ static struct attribute_group subch_attr_group = { .attrs = subch_attrs, }; -static struct attribute_group *default_subch_attr_groups[] = { +static const struct attribute_group *default_subch_attr_groups[] = { &subch_attr_group, NULL, }; @@ -327,7 +320,7 @@ int css_probe_device(struct subchannel_id schid) return PTR_ERR(sch); ret = css_register_subchannel(sch); if (ret) - css_free_subchannel(sch); + put_device(&sch->dev); return ret; } @@ -644,7 +637,10 @@ __init_channel_subsystem(struct subchannel_id schid, void *data) * not working) so we do it now. This is true e.g. for the * console subchannel. */ - css_register_subchannel(sch); + if (css_register_subchannel(sch)) { + if (!cio_is_console(schid)) + put_device(&sch->dev); + } return 0; } @@ -661,8 +657,8 @@ css_generate_pgid(struct channel_subsystem *css, u32 tod_high) css->global_pgid.pgid_high.cpu_addr = 0; #endif } - css->global_pgid.cpu_id = ((cpuid_t *) __LC_CPUID)->ident; - css->global_pgid.cpu_model = ((cpuid_t *) __LC_CPUID)->machine; + css->global_pgid.cpu_id = S390_lowcore.cpu_id.ident; + css->global_pgid.cpu_model = S390_lowcore.cpu_id.machine; css->global_pgid.tod_high = tod_high; } @@ -920,8 +916,10 @@ init_channel_subsystem (void) goto out_device; } ret = device_register(&css->pseudo_subchannel->dev); - if (ret) + if (ret) { + put_device(&css->pseudo_subchannel->dev); goto out_file; + } } ret = register_reboot_notifier(&css_reboot_notifier); if (ret) |