* [PATCH v2 2/3] scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2
@ 2019-01-18 2:58 ` Ching Huang
0 siblings, 0 replies; 2+ messages in thread
From: Ching Huang @ 2019-01-18 2:58 UTC (permalink / raw)
To: martin.petersen, James.Bottomley, linux-scsi, linux-kernel
Cc: dan.carpenter, hch, colin.king
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;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH v2 2/3] scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2
@ 2019-01-18 2:58 ` Ching Huang
0 siblings, 0 replies; 2+ messages in thread
From: Ching Huang @ 2019-01-18 2:58 UTC (permalink / raw)
To: martin.petersen, James.Bottomley, linux-scsi, linux-kernel
Cc: dan.carpenter, hch, colin.king
>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;
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2019-01-18 2:58 [PATCH v2 2/3] scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2 Ching Huang
2019-01-18 2:58 ` Ching Huang
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