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[S390] qdio: reset outbound SBAL error states

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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>
This commit is contained in:
Jan Glauber 2011-10-30 15:17:07 +01:00 committed by Martin Schwidefsky
parent 25f269f173
commit 2768b2ded1
1 changed files with 2 additions and 1 deletions
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3
drivers/s390/cio/qdio_main.c
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@ -450,7 +450,7 @@ static void process_buffer_error(struct qdio_q *q, int count)
qperf_inc(q, target_full); qperf_inc(q, target_full);
DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x", DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x",
q->first_to_check); q->first_to_check);
return; goto set;
} }
DBF_ERROR("%4x BUF ERROR", SCH_NO(q)); DBF_ERROR("%4x BUF ERROR", SCH_NO(q));
@ -460,6 +460,7 @@ static void process_buffer_error(struct qdio_q *q, int count)
q->sbal[q->first_to_check]->element[14].sflags, q->sbal[q->first_to_check]->element[14].sflags,
q->sbal[q->first_to_check]->element[15].sflags); q->sbal[q->first_to_check]->element[15].sflags);
set:
/* /*
* Interrupts may be avoided as long as the error is present * Interrupts may be avoided as long as the error is present
* so change the buffer state immediately to avoid starvation. * so change the buffer state immediately to avoid starvation.