Messages in this thread Patch in this message | | | Subject | [PATCH v2 2/3] scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2 | From | Ching Huang <> | Date | Fri, 18 Jan 2019 10:58:51 +0800 |
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From Ching Huang <ching2048@areca.com.tw>
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 <ching2048@areca.com.tw> ---
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 5736434..88053b1 100755 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -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;
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