From 317d0e027ce42ef197f24435023736ba4e5983a2 Mon Sep 17 00:00:00 2001 From: Ching Huang Date: Fri, 18 Jan 2019 10:58:51 +0800 Subject: [PATCH] scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2 From Ching Huang 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 Signed-off-by: Martin K. Petersen --- drivers/scsi/arcmsr/arcmsr_hba.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 57364347ecd6..88053b15c363 100644 --- 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;