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authorHolger Dengler <hd@linux.vnet.ibm.com>2012-08-28 14:48:29 (GMT)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-09-26 13:44:56 (GMT)
commit1e2076f4527b5b0854d0ebe60102b6710a9ba64c (patch)
tree66b42d73944010bbbffe9cfd0b0470ffe8ce8c44 /drivers/s390/crypto/ap_bus.c
parent5e55a488c87aa6cc269b04bfec99e835f03b2c2d (diff)
downloadlinux-1e2076f4527b5b0854d0ebe60102b6710a9ba64c.tar.xz
s390/zcrypt: Add support for CEX4 crypto card
New zcrypt module supports IBM CryptoExpress 4 cards. 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.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index f0b53ee..39e5eb2 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1340,30 +1340,22 @@ static void ap_scan_bus(struct work_struct *unused)
(unsigned long) ap_dev);
switch (device_type) {
case 0:
+ /* device type probing for old cards */
if (ap_probe_device_type(ap_dev)) {
kfree(ap_dev);
continue;
}
break;
- case 10:
- if (ap_query_functions(qid, &device_functions)) {
- kfree(ap_dev);
- continue;
- }
- ap_dev->functions = device_functions;
- if (ap_test_bit(&device_functions, 3))
- ap_dev->device_type = AP_DEVICE_TYPE_CEX3C;
- else if (ap_test_bit(&device_functions, 4))
- ap_dev->device_type = AP_DEVICE_TYPE_CEX3A;
- else {
- kfree(ap_dev);
- continue;
- }
- break;
default:
ap_dev->device_type = device_type;
}
+ rc = ap_query_functions(qid, &device_functions);
+ if (!rc)
+ ap_dev->functions = device_functions;
+ else
+ ap_dev->functions = 0u;
+
ap_dev->device.bus = &ap_bus_type;
ap_dev->device.parent = ap_root_device;
if (dev_set_name(&ap_dev->device, "card%02x",