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authorChing Huang <ching2048@areca.com.tw>2019-01-18 10:58:51 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2019-01-22 21:38:21 -0500
commit317d0e027ce42ef197f24435023736ba4e5983a2 (patch)
treeb3a8eccf44fe4ab3118ab695a79e4a385a09d2fb /drivers/scsi/arcmsr
parent3e3153b050fc33f3e56763fd237701e7683609a7 (diff)
downloadlinux-317d0e027ce42ef197f24435023736ba4e5983a2.tar.bz2
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>
Diffstat (limited to 'drivers/scsi/arcmsr')
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c6
1 files changed, 5 insertions, 1 deletions
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;