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

PATCH Applied Ching Huang 1 participant 1 message Jan 18, 2019 SCSI

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Ching Huang

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2019-01-18 02:58 UTC #0 lore raw

PATCH v2 2/3 scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2

Quoted 1 line

From Ching Huang <[email protected]>

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

Signed-off-by Ching Huang <[email protected]>

---

drivers/scsi/arcmsr/arcmsr_hba.c +5 -1

index 5736434..88053b1 100755
@@ -1113,7 +1113,11 @@ static int arcmsr_resume(struct pci_dev *pdev)
 	switch (acb->adapter_type) {
 	case ACB_ADAPTER_TYPE_B: {
 		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->doneq_index = 0;
 		break;