lkml.org 
[lkml]   [2015]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 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 9e6eebe..f78c2a9 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);
--
1.9.1


\
 
 \ /
  Last update: 2015-11-09 17:41    [W:1.528 / U:0.960 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site