linux-kernel - [PATCH 4/9] iommu/dma: Use helper functions to access dev->iommu

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Date:   Tue, 11 Dec 2018 13:19:05 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     iommu@...ts.linux-foundation.org
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Hanjun Guo <hanjun.guo@...aro.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Will Deacon <will.deacon@....com>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Clark <robdclark@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-kernel@...r.kernel.org, Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 4/9] iommu/dma: Use helper functions to access dev->iommu_fwspec

From: Joerg Roedel <jroedel@...e.de>

Use the new helpers dev_iommu_fwspec_get()/set() to access
the dev->iommu_fwspec pointer. This makes it easier to move
that pointer later into another struct.

Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 drivers/iommu/dma-iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index d1b04753b204..2b1c6912fbcc 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -177,7 +177,7 @@ EXPORT_SYMBOL(iommu_put_dma_cookie);
 void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list)
 {
 
-	if (!is_of_node(dev->iommu_fwspec->iommu_fwnode))
+	if (!is_of_node(dev_iommu_fwspec_get(dev)->iommu_fwnode))
 		iort_iommu_msi_get_resv_regions(dev, list);
 
 }
-- 
2.17.1