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scsi: qla2xxx: Fix driver reload for ISP82xx

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HINT_MBX_INT_PENDING is not guaranteed to be cleared by firmware. Remove
check that prevent driver load with ISP82XX.

Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Link: https://lore.kernel.org/r/20190830222402.23688-4-hmadhani@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Himanshu Madhani 2019-08-30 15:23:59 -07:00 committed by Martin K. Petersen
parent cb92cb1657
commit 32a13df216
2 changed files with 4 additions and 15 deletions
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16
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -253,21 +253,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
if (IS_P3P_TYPE(ha)) {
if (RD_REG_DWORD(&reg->isp82.hint) &
HINT_MBX_INT_PENDING) {
ha->flags.mbox_busy = 0;
spin_unlock_irqrestore(&ha->hardware_lock,
flags);
atomic_dec(&ha->num_pend_mbx_stage2);
ql_dbg(ql_dbg_mbx, vha, 0x1010,
"Pending mailbox timeout, exiting.\n");
rval = QLA_FUNCTION_TIMEOUT;
goto premature_exit;
}
if (IS_P3P_TYPE(ha))
WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
} else if (IS_FWI2_CAPABLE(ha))
else if (IS_FWI2_CAPABLE(ha))
WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
else
WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);

1
drivers/scsi/qla2xxx/qla_nx.c
View File

@ -2287,6 +2287,7 @@ qla82xx_disable_intrs(struct qla_hw_data *ha)
{
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
if (ha->interrupts_on)
qla82xx_mbx_intr_disable(vha);
spin_lock_irq(&ha->hardware_lock);