diff options
author | Jan Glauber <jang@linux.vnet.ibm.com> | 2011-10-30 10:17:07 -0400 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 10:16:45 -0400 |
commit | 2768b2ded129ee92a8f8bf9049983c6b37ed44bf (patch) | |
tree | b9a6d2c0cc0fd394314562666de92b71529c493a /drivers/s390/cio | |
parent | 25f269f17316549e026c5dd0db7526411a504de6 (diff) |
[S390] qdio: reset outbound SBAL error states
Don't leave outbound SBALs in error state after a target full condition.
Reset the state to not initialized to make the error handling consistent
across all types of errors.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r-- | drivers/s390/cio/qdio_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 7c567b2268a7..5ec5317f7903 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c | |||
@@ -450,7 +450,7 @@ static void process_buffer_error(struct qdio_q *q, int count) | |||
450 | qperf_inc(q, target_full); | 450 | qperf_inc(q, target_full); |
451 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x", | 451 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x", |
452 | q->first_to_check); | 452 | q->first_to_check); |
453 | return; | 453 | goto set; |
454 | } | 454 | } |
455 | 455 | ||
456 | DBF_ERROR("%4x BUF ERROR", SCH_NO(q)); | 456 | DBF_ERROR("%4x BUF ERROR", SCH_NO(q)); |
@@ -460,6 +460,7 @@ static void process_buffer_error(struct qdio_q *q, int count) | |||
460 | q->sbal[q->first_to_check]->element[14].sflags, | 460 | q->sbal[q->first_to_check]->element[14].sflags, |
461 | q->sbal[q->first_to_check]->element[15].sflags); | 461 | q->sbal[q->first_to_check]->element[15].sflags); |
462 | 462 | ||
463 | set: | ||
463 | /* | 464 | /* |
464 | * Interrupts may be avoided as long as the error is present | 465 | * Interrupts may be avoided as long as the error is present |
465 | * so change the buffer state immediately to avoid starvation. | 466 | * so change the buffer state immediately to avoid starvation. |