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Message-ID: <1447679178-220222-13-git-send-email-john.garry@huawei.com>
Date: Mon, 16 Nov 2015 21:05:58 +0800
From: John Garry <john.garry@...wei.com>
To: <JBottomley@...n.com>, <robh+dt@...nel.org>, <pawel.moll@....com>,
<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
<galak@...eaurora.org>, <arnd@...db.de>
CC: <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linuxarm@...wei.com>,
<john.garry2@...l.dcu.ie>, <hare@...e.de>, <xuwei5@...ilicon.com>,
<zhangfei.gao@...aro.org>, <john.garry@...wei.com>
Subject: [PATCH v4 12/32] scsi: hisi_sas: set dev DMA mask
Signed-off-by: John Garry <john.garry@...wei.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 8cd1b55..d7d9516 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
--
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