mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
s390/zcrypt: use msleep() instead of mdelay()
There is no need to busy loop and monopolize a cpu for up to ~2 seconds. The code in question that calls mdelay() is preemptible anyway, so better let the kernel schedule different processes than just looping and causing unnecessary delays. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
parent
e619cd3d61
commit
e4e1899aae
2 changed files with 2 additions and 2 deletions
|
@ -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)
|
||||
|
|
|
@ -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;
|
||||
|
|
Loading…
Reference in a new issue