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[S390] cio: idset use actual number of ssids

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The functions idset_sch_new and for_each_subchannel_staged
use different values for the number of subchannel sets. Make
it consistent by changing idset_sch_new to also use the actual
number of subchannel sets.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott
2009-09-22 22:58:37 +02:00
committed by Martin Schwidefsky
parent b827d1c8b6
commit b0a285d31b
3 changed files with 15 additions and 14 deletions
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26
drivers/s390/cio/css.c
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@@ -32,7 +32,7 @@
int css_init_done = 0;
static int need_reprobe = 0;
static int max_ssid = 0;
int max_ssid;
struct channel_subsystem *channel_subsystems[__MAX_CSSID + 1];
@@ -879,6 +879,18 @@ static int __init css_bus_init(void)
if (ret)
goto out;
/* Try to enable MSS. */
ret = chsc_enable_facility(CHSC_SDA_OC_MSS);
switch (ret) {
case 0: /* Success. */
max_ssid = __MAX_SSID;
break;
case -ENOMEM:
goto out;
default:
max_ssid = 0;
}
ret = slow_subchannel_init();
if (ret)
goto out;
@@ -890,17 +902,6 @@ static int __init css_bus_init(void)
if ((ret = bus_register(&css_bus_type)))
goto out;
/* Try to enable MSS. */
ret = chsc_enable_facility(CHSC_SDA_OC_MSS);
switch (ret) {
case 0: /* Success. */
max_ssid = __MAX_SSID;
break;
case -ENOMEM:
goto out_bus;
default:
max_ssid = 0;
}
/* Setup css structure. */
for (i = 0; i <= __MAX_CSSID; i++) {
struct channel_subsystem *css;
@@ -966,7 +967,6 @@ out_unregister:
&dev_attr_cm_enable);
device_unregister(&css->device);
}
out_bus:
bus_unregister(&css_bus_type);
out:
crw_unregister_handler(CRW_RSC_CSS);