summaryrefslogtreecommitdiffstats
path: root/drivers/s390/crypto
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/crypto')
-rw-r--r--drivers/s390/crypto/ap_bus.c2
-rw-r--r--drivers/s390/crypto/zcrypt_api.c17
-rw-r--r--drivers/s390/crypto/zcrypt_pcixcc.c2
3 files changed, 10 insertions, 11 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 559a9dcdb15d..d78b3d629d78 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1372,7 +1372,7 @@ static int ap_probe_device_type(struct ap_device *ap_dev)
/* Wait for the test message to complete. */
for (i = 0; i < 6; i++) {
- mdelay(300);
+ msleep(300);
status = __ap_recv(ap_dev->qid, &psmid, reply, 4096);
if (status.response_code == AP_RESPONSE_NORMAL &&
psmid == 0x0102030405060708ULL)
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 08f1830cbfc4..4eb45546a3aa 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -54,6 +54,10 @@ MODULE_DESCRIPTION("Cryptographic Coprocessor interface, " \
"Copyright IBM Corp. 2001, 2012");
MODULE_LICENSE("GPL");
+static int zcrypt_hwrng_seed = 1;
+module_param_named(hwrng_seed, zcrypt_hwrng_seed, int, S_IRUSR|S_IRGRP);
+MODULE_PARM_DESC(hwrng_seed, "Turn on/off hwrng auto seed, default is 1 (on).");
+
static DEFINE_SPINLOCK(zcrypt_device_lock);
static LIST_HEAD(zcrypt_device_list);
static int zcrypt_device_count = 0;
@@ -1202,16 +1206,8 @@ static void sprinthx(unsigned char *title, struct seq_file *m,
static void sprinthx4(unsigned char *title, struct seq_file *m,
unsigned int *array, unsigned int len)
{
- int r;
-
seq_printf(m, "\n%s\n", title);
- for (r = 0; r < len; r++) {
- if ((r % 8) == 0)
- seq_printf(m, " ");
- seq_printf(m, "%08X ", array[r]);
- if ((r % 8) == 7)
- seq_putc(m, '\n');
- }
+ seq_hex_dump(m, " ", DUMP_PREFIX_NONE, 32, 4, array, len, false);
seq_putc(m, '\n');
}
@@ -1373,6 +1369,7 @@ static int zcrypt_rng_data_read(struct hwrng *rng, u32 *data)
static struct hwrng zcrypt_rng_dev = {
.name = "zcrypt",
.data_read = zcrypt_rng_data_read,
+ .quality = 990,
};
static int zcrypt_rng_device_add(void)
@@ -1387,6 +1384,8 @@ static int zcrypt_rng_device_add(void)
goto out;
}
zcrypt_rng_buffer_index = 0;
+ if (!zcrypt_hwrng_seed)
+ zcrypt_rng_dev.quality = 0;
rc = hwrng_register(&zcrypt_rng_dev);
if (rc)
goto out_free;
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 899ffa19f5ec..f41852768953 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -182,7 +182,7 @@ static int zcrypt_pcixcc_mcl(struct ap_device *ap_dev)
/* Wait for the test message to complete. */
for (i = 0; i < 6; i++) {
- mdelay(300);
+ msleep(300);
rc = ap_recv(ap_dev->qid, &psmid, reply, 4096);
if (rc == 0 && psmid == 0x0102030405060708ULL)
break;
OpenPOWER on IntegriCloud