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[PATCH v2 13/32] scsi: hisi_sas: add hisi_hba workqueue

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Signed-off-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/hisi_sas/hisi_sas.h      | 1 +
 drivers/scsi/hisi_sas/hisi_sas_main.c | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 1cc1376..424d693 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -72,6 +72,7 @@ struct hisi_hba {
 
 	int n_phy;
 
+	struct workqueue_struct *wq;
 
 	int slot_index_count;
 	unsigned long *slot_index_tags;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index e5ee1d5..fb83233 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -151,6 +151,12 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
 
 	hisi_sas_slot_index_init(hisi_hba);
 
+	hisi_hba->wq = create_singlethread_workqueue(dev_name(dev));
+	if (!hisi_hba->wq) {
+		dev_err(dev, "sas_alloc: failed to create workqueue\n");
+		goto err_out;
+	}
+
 	return 0;
 err_out:
 	return -ENOMEM;
@@ -212,6 +218,8 @@ static void hisi_sas_free(struct hisi_hba *hisi_hba)
 				  hisi_hba->sata_breakpoint,
 				  hisi_hba->sata_breakpoint_dma);
 
+	if (hisi_hba->wq)
+		destroy_workqueue(hisi_hba->wq);
 }
 
 static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev,
-- 
1.9.1

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[PATCH v2 00/32] HiSilicon SAS driver John Garry <john.garry@huawei.com> - 2015-10-26 15:10 +0100
  [PATCH v2 16/32] scsi: hisi_sas: add timer and spinlock init John Garry <john.garry@huawei.com> - 2015-10-26 15:10 +0100
  [PATCH v2 09/32] scsi: hisi_sas: add slot init code John Garry <john.garry@huawei.com> - 2015-10-26 15:10 +0100
  [PATCH v2 10/32] scsi: hisi_sas: add cq structure initialization John Garry <john.garry@huawei.com> - 2015-10-26 15:10 +0100
  [PATCH v2 18/32] scsi: hisi_sas: add v1 hardware register definitions John Garry <john.garry@huawei.com> - 2015-10-26 15:10 +0100
  [PATCH v2 05/32] scsi: hisi_sas: scan device tree John Garry <john.garry@huawei.com> - 2015-10-26 15:10 +0100
    Re: [PATCH v2 05/32] scsi: hisi_sas: scan device tree Mark Rutland <mark.rutland@arm.com> - 2015-10-26 15:50 +0100
      Re: [PATCH v2 05/32] scsi: hisi_sas: scan device tree John Garry <john.garry@huawei.com> - 2015-10-26 16:00 +0100
  [PATCH v2 13/32] scsi: hisi_sas: add hisi_hba workqueue John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
  [PATCH v2 19/32] scsi: hisi_sas: add v1 HW initialisation code John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
  [PATCH v2 07/32] scsi: hisi_sas: allocate memories and create pools John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
  [PATCH v2 12/32] scsi: hisi_sas: set dev DMA mask John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
  [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
    Re: [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS Mark Rutland <mark.rutland@arm.com> - 2015-10-26 15:50 +0100
      Re: [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS John Garry <john.garry@huawei.com> - 2015-10-27 14:20 +0100
        Re: [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS Mark Rutland <mark.rutland@arm.com> - 2015-10-27 15:40 +0100
          Re: [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS zhangfei <zhangfei.gao@linaro.org> - 2015-10-27 16:00 +0100
            Re: [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS Mark Rutland <mark.rutland@arm.com> - 2015-10-27 16:10 +0100
            Re: [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS John Garry <john.garry@huawei.com> - 2015-10-27 16:10 +0100
    Re: [PATCH v2 02/32] devicetree: bindings: scsi: HiSi SAS John Garry <john.garry@huawei.com> - 2015-10-26 16:10 +0100
  [PATCH v2 04/32] scsi: hisi_sas: add scsi host registration John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
  [PATCH v2 11/32] scsi: hisi_sas: add phy SAS ADDR initialization John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
  [PATCH v2 20/32] scsi: hisi_sas: add v1 hw interrupt init John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100
  [PATCH v2 17/32] scsi: hisi_sas: add v1 hw module init John Garry <john.garry@huawei.com> - 2015-10-26 15:20 +0100

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