git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-18 03:23:53 -04:00
Code Issues Packages Projects Releases Wiki Activity

[S390] cio: allow enable_facility from outside init functions

Browse Source 
Prepare chsc_enable_facility to be used from outside init functions.
Use static memory for the chsc call and protect its access by a
spinlock (although there is no concurrent usage).

Cc: <stable@kernel.org>
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
2010-04-22 17:17:03 +02:00
committed by Martin Schwidefsky
parent 6a5176c474
commit 818c272bd7
2 changed files with 17 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/s390/cio/css.c
View File

@@ -870,15 +870,10 @@ static int __init css_bus_init(void)
/* 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:
if (ret)
max_ssid = 0;
}
else /* Success. */
max_ssid = __MAX_SSID;
ret = slow_subchannel_init();
if (ret)