From: Sawan Chandak <sawan.chan...@qlogic.com>
Signed-off-by: Sawan Chandak <sawan.chan...@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kash...@qlogic.com>
---
drivers/scsi/qla2xxx/qla_os.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index d1a76a6..575404f 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -844,6 +844,28 @@ qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
}
/*
+ * qla2x00_wait_for_hba_ready
+ * Wait till the HBA is ready before doing driver unload
+ *
+ * Input:
+ * ha - pointer to host adapter structure
+ *
+ * Note:
+ * Does context switching-Release SPIN_LOCK
+ * (if any) before calling this routine.
+ *
+ */
+static void
+qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ while ((!(vha->flags.online) || ha->dpc_active ||
+ ha->flags.mbox_busy))
+ msleep(1000);
+}
+
+/*
* qla2x00_wait_for_reset_ready
* Wait till the HBA is online after going through
* <= MAX_RETRIES_OF_ISP_ABORT or
@@ -3161,6 +3183,8 @@ qla2x00_remove_one(struct pci_dev *pdev)
base_vha = pci_get_drvdata(pdev);
ha = base_vha->hw;
+ qla2x00_wait_for_hba_ready(base_vha);
+
set_bit(UNLOADING, &base_vha->dpc_flags);
if (IS_QLAFX00(ha))
--
1.7.7
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