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