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| author | Himanshu Madhani <hmadhani@marvell.com> | 2019-08-30 15:23:59 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-17 20:08:28 +0100 |
| commit | 1df80889c9db960252e3bfddbae76320f4a0eafb (patch) | |
| tree | af1606a66b6111a987b1e1d5919c359e3090ca93 | |
| parent | e6409dd3fac84639e74aed4e8c497c56ea619d0d (diff) | |
| download | linux-stable-1df80889c9db960252e3bfddbae76320f4a0eafb.tar.gz linux-stable-1df80889c9db960252e3bfddbae76320f4a0eafb.tar.bz2 linux-stable-1df80889c9db960252e3bfddbae76320f4a0eafb.zip | |
scsi: qla2xxx: Fix driver reload for ISP82xx
[ Upstream commit 32a13df21668b92f70f0673387f29251e0f285ec ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 16 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.c | 3 |
2 files changed, 4 insertions, 15 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index ac4640f45678..45548628c6f3 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -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(®->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(®->isp82.hint, HINT_MBX_INT_PENDING); - } else if (IS_FWI2_CAPABLE(ha)) + else if (IS_FWI2_CAPABLE(ha)) WRT_REG_DWORD(®->isp24.hccr, HCCRX_SET_HOST_INT); else WRT_REG_WORD(®->isp.hccr, HCCR_SET_HOST_INT); diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 6ce0f026debb..3a23827e0f0b 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -2287,7 +2287,8 @@ qla82xx_disable_intrs(struct qla_hw_data *ha) { scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); - qla82xx_mbx_intr_disable(vha); + if (ha->interrupts_on) + qla82xx_mbx_intr_disable(vha); spin_lock_irq(&ha->hardware_lock); if (IS_QLA8044(ha)) |