From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753104AbbKPNgq (ORCPT ); Mon, 16 Nov 2015 08:36:46 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:32430 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753070AbbKPNgl (ORCPT ); Mon, 16 Nov 2015 08:36:41 -0500 From: John Garry To: , , , , , , CC: , , , , , , , , Subject: [PATCH v4 12/32] scsi: hisi_sas: set dev DMA mask Date: Mon, 16 Nov 2015 21:05:58 +0800 Message-ID: <1447679178-220222-13-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1447679178-220222-1-git-send-email-john.garry@huawei.com> References: <1447679178-220222-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090204.5649D9C6.01C3,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 12b6c2f2728bf7c84bd5810f599f5e1b Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: John Garry --- 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