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scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2 

From Ching Huang <ching2048@areca.com.tw>

For ACB_ADAPTER_TYPE_B controller, the read/write after hibernate and
resume may sometimes result in 'isr get an illegal ccb command' in
/var/log/messages. This patch fixes it.

Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ching Huang 2019-01-18 10:58:51 +08:00 committed by Martin K. Petersen
parent 3e3153b050
commit 317d0e027c
1 changed files with 5 additions and 1 deletions
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6
drivers/scsi/arcmsr/arcmsr_hba.c
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@ -1113,7 +1113,11 @@ static int arcmsr_resume(struct pci_dev *pdev)
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_B: { case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
reg->post_qbuffer[0] = 0; uint32_t i;
for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
reg->post_qbuffer[i] = 0;
reg->done_qbuffer[i] = 0;
}
reg->postq_index = 0; reg->postq_index = 0;
reg->doneq_index = 0; reg->doneq_index = 0;
break; break;