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Groups > linux.kernel > #1270132

[PATCH v4 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 c50384f..62bc6f3 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 d7d9516..7f32c6b 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -150,6 +150,12 @@ 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;
@@ -207,6 +213,8 @@ 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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Thread

[PATCH v4 00/32] HiSilicon SAS driver John Garry <john.garry@huawei.com> - 2015-11-16 14:10 +0100
  [PATCH v4 01/32] [SCSI] sas: centralise ssp frame information units John Garry <john.garry@huawei.com> - 2015-11-16 14:20 +0100
  [PATCH v4 06/32] scsi: hisi_sas: add HW DMA structures John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 17/32] scsi: hisi_sas: add v1 hw module init John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 11/32] scsi: hisi_sas: add phy SAS ADDR initialization John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 07/32] scsi: hisi_sas: allocate memories and create pools John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 08/32] scsi: hisi_sas: add hisi_sas_remove John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 04/32] scsi: hisi_sas: add scsi host registration John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 22/32] scsi: hisi_sas: add ssp command function John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 14/32] scsi: hisi_sas: add hisi sas device type John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 15/32] scsi: hisi_sas: add phy and port init John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 02/32] devicetree: bindings: scsi: HiSi SAS John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
    Re: [PATCH v4 02/32] devicetree: bindings: scsi: HiSi SAS Rob Herring <robh@kernel.org> - 2015-11-16 15:00 +0100
  [PATCH v4 05/32] scsi: hisi_sas: scan device tree John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 16/32] scsi: hisi_sas: add timer and spinlock init John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 10/32] scsi: hisi_sas: add cq structure initialization John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 24/32] scsi: hisi_sas: add dev_found and dev_gone John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 27/32] scsi: hisi_sas: add smp protocol support John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 32/32] MAINTAINERS: add maintainer for HiSi SAS driver John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 13/32] scsi: hisi_sas: add hisi_hba workqueue John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 12/32] scsi: hisi_sas: set dev DMA mask John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 20/32] scsi: hisi_sas: add v1 hw interrupt init John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 29/32] scsi: hisi_sas: add tmf methods John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 23/32] scsi: hisi_sas: add cq interrupt handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 30/32] scsi: hisi_sas: add control phy handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 21/32] scsi: hisi_sas: add path from phyup irq to SAS framework John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 09/32] scsi: hisi_sas: add slot init code John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 25/32] scsi: hisi_sas: add abnormal irq handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 31/32] scsi: hisi_sas: add fatal irq handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 03/32] scsi: hisi_sas: add initial bare main driver John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 19/32] scsi: hisi_sas: add v1 HW initialisation code John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 26/32] scsi: hisi_sas: add bcast interrupt handler John Garry <john.garry@huawei.com> - 2015-11-16 14:50 +0100
  [PATCH v4 28/32] scsi: hisi_sas: add scan finished and start John Garry <john.garry@huawei.com> - 2015-11-16 15:00 +0100
  [PATCH v4 18/32] scsi: hisi_sas: add v1 hardware register definitions John Garry <john.garry@huawei.com> - 2015-11-16 15:00 +0100

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