For IOMMU strict mode, gives a big performance boost in some scenarios.
Signed-off-by: John Garry <[email protected]>
---
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 499c770d405c..365fc9de4be2 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -4675,6 +4675,11 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct
pci_device_id *id)
struct sas_ha_struct *sha;
int rc, phy_nr, port_nr, i;
+ rc = dma_set_max_opt_size(dev, PAGE_SIZE * HISI_SAS_SGE_PAGE_CNT);
+ /* We can live with other errors */
+ if (rc == -EPROBE_DEFER)
+ return rc;
+
rc = pci_enable_device(pdev);
if (rc)
goto err_out;
--
2.26.2
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