linux-kernel - [PATCH 3/5] ACPI/IORT: Use device_iommu

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Message-Id: <20181204172504.19708-4-joro@8bytes.org>
Date:   Tue,  4 Dec 2018 18:25:02 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     iommu@...ts.linux-foundation.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Joerg Roedel <jroedel@...e.de>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: [PATCH 3/5] ACPI/IORT: Use device_iommu_mapped()

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

Replace the iommu-check with a proper and readable function
call.

Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 drivers/acpi/arm64/iort.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 70f4e80b9246..0125c8eb9e81 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -805,7 +805,7 @@ static inline int iort_add_device_replay(const struct iommu_ops *ops,
 {
 	int err = 0;
 
-	if (ops->add_device && dev->bus && !dev->iommu_group)
+	if (ops->add_device && dev->bus && !device_iommu_mapped(dev))
 		err = ops->add_device(dev);
 
 	return err;
-- 
2.17.1