linux-kernel - [PATCH V3 5/7] dma: ioat: switch from 'pci_' to 'dma

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Message-Id: <1633663733-47199-3-git-send-email-wangqing@vivo.com>
Date:   Thu,  7 Oct 2021 20:28:28 -0700
From:   Qing Wang <wangqing@...o.com>
To:     Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Zhou Wang <wangzhou1@...ilicon.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Sathya Prakash <sathya.prakash@...adcom.com>,
        Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, MPT-FusionLinux.pdl@...adcom.com,
        linux-scsi@...r.kernel.org
Cc:     Qing Wang <wangqing@...o.com>
Subject: [PATCH V3 5/7] dma: ioat: switch from 'pci_' to 'dma_' API

The wrappers in include/linux/pci-dma-compat.h should go away.

pci_set_dma_mask()/pci_set_consistent_dma_mask() should be
replaced with dma_set_mask()/dma_set_coherent_mask(), 
and use dma_set_mask_and_coherent() for both.

Signed-off-by: Qing Wang <wangqing@...o.com>
---
 drivers/dma/ioat/init.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index 191b592..373b8da
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -1363,15 +1363,9 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (!iomap)
 		return -ENOMEM;
 
-	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
 	if (err)
-		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-	if (err)
-		return err;
-
-	err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
-	if (err)
-		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
 	if (err)
 		return err;
 
-- 
2.7.4