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[PATCH v2 12/32] scsi: hisi_sas: set dev DMA mask

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

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index a3bf682..e5ee1d5 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -309,6 +309,14 @@ int hisi_sas_probe(struct platform_device *pdev,
 	sha = SHOST_TO_SAS_HA(shost);
 	hisi_hba = shost_priv(shost);
 	platform_set_drvdata(pdev, sha);
+
+	if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)) &&
+	    dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32))) {
+		dev_err(dev, "No usable DMA addressing method\n");
+		rc = -EIO;
+		goto err_out_ha;
+	}
+
 	phy_nr = port_nr = hisi_hba->n_phy;
 
 	arr_phy = devm_kcalloc(dev, phy_nr, sizeof(void *), GFP_KERNEL);
-- 
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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