diff options
| author | Holger Dengler <hd@linux.vnet.ibm.com> | 2012-09-10 19:34:26 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 13:45:17 (GMT) |
| commit | dabecb2933f7ae901c88cb10c71ab38ca7dfc38f (patch) | |
| tree | 04d0094b077eddcf47c3c692dfc0eeda2de727d6 /drivers/s390/crypto/ap_bus.c | |
| parent | 745e967a49b26725cc9f30105ff67c8fee8926d6 (diff) | |
| download | linux-fsl-qoriq-dabecb2933f7ae901c88cb10c71ab38ca7dfc38f.tar.xz | |
s390/zcryt: Handle AP configuration changes
Detect external AP bus configuration changes and request
an AP device rescan.
Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/ap_bus.c')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 39e5eb2..cf5d9dc 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -950,6 +950,20 @@ void ap_driver_unregister(struct ap_driver *ap_drv) } EXPORT_SYMBOL(ap_driver_unregister); +void ap_bus_force_rescan(void) +{ + /* Delete the AP bus rescan timer. */ + del_timer(&ap_config_timer); + + /* processing a synchonuous bus rescan */ + ap_scan_bus(NULL); + + /* Setup the AP bus rescan timer again. */ + ap_config_timer.expires = jiffies + ap_config_time * HZ; + add_timer(&ap_config_timer); +} +EXPORT_SYMBOL(ap_bus_force_rescan); + /* * AP bus attributes. */ |