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[SCSI] qla4xxx: Set graceful reset bit for ISP83XX

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For ISP83XX set graceful reset bit in IDC_DRV_CTRL
if reset is issued by application

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Vikas Chaudhary 2013-03-07 05:43:09 -05:00 committed by James Bottomley
parent 3e788fb16d
commit ebd777dec7
1 changed files with 9 additions and 0 deletions
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9
drivers/scsi/qla4xxx/ql4_os.c
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@ -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",