From: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
For ISP83XX set graceful reset bit in IDC_DRV_CTRL
if reset is issued by application
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
---
drivers/scsi/qla4xxx/ql4_os.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 1c387e7..b3ccb1a 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -6081,6 +6081,7 @@ static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
{
struct scsi_qla_host *ha = to_qla_host(shost);
int rval = QLA_SUCCESS;
+ uint32_t idc_ctrl;
if (ql4xdontresethba) {
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
@@ -6111,6 +6112,14 @@ static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
}
recover_adapter:
+ /* For ISP83XX set graceful reset bit in IDC_DRV_CTRL if
+ * reset is issued by application */
+ if (is_qla8032(ha) && test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
+ idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
+ qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
+ (idc_ctrl | GRACEFUL_RESET_BIT1));
+ }
+
rval = qla4xxx_recover_adapter(ha);
if (rval != QLA_SUCCESS) {
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
--
1.8.0
--
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