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s390/zcrypt: improve device probing for zcrypt adapter cards

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Improve device probing process for zcrypt adapters to
transmit service request during registration process.

Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Ingo Tuchscherer 2014-07-14 19:11:48 +02:00 committed by Martin Schwidefsky
parent dab6cf55f8
commit 666e68e0dd
1 changed files with 7 additions and 2 deletions
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9
drivers/s390/crypto/ap_bus.c
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@ -901,10 +901,15 @@ static int ap_device_probe(struct device *dev)
int rc;
ap_dev->drv = ap_drv;
spin_lock_bh(&ap_device_list_lock);
list_add(&ap_dev->list, &ap_device_list);
spin_unlock_bh(&ap_device_list_lock);
rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV;
if (!rc) {
if (rc) {
spin_lock_bh(&ap_device_list_lock);
list_add(&ap_dev->list, &ap_device_list);
list_del_init(&ap_dev->list);
spin_unlock_bh(&ap_device_list_lock);
}
return rc;