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| author | John Garry | 2015-11-17 17:50:39 +0100 |
|---|---|---|
| committer | Martin K. Petersen | 2015-11-26 04:12:56 +0100 |
| commit | 50cb916f4361e9202866d388eaddbe1d3f0ee0f7 (patch) | |
| tree | 778b2fe5257ecd06d6a3c165b63eae057fd49ce0 /drivers/scsi/hisi_sas/hisi_sas_main.c | |
| parent | hisi_sas: Add phy SAS ADDR initialization (diff) | |
| download | kernel-qcow2-linux-50cb916f4361e9202866d388eaddbe1d3f0ee0f7.tar.gz kernel-qcow2-linux-50cb916f4361e9202866d388eaddbe1d3f0ee0f7.tar.xz kernel-qcow2-linux-50cb916f4361e9202866d388eaddbe1d3f0ee0f7.zip | |
hisi_sas: Set dev DMA mask
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 8cd1b551abb6..d7d9516385a7 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -311,6 +311,14 @@ 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); |