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From: Thierry Reding <thierry.reding@gmail.com>
To: Rob Herring <robh+dt@kernel.org>, Joerg Roedel <joro@8bytes.org>
Cc: devicetree@vger.kernel.org, Will Deacon <will@kernel.org>,
	Sameer Pujar <spujar@nvidia.com>,
	iommu@lists.linux-foundation.org,
	Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>,
	Dmitry Osipenko <dmitry.osipenko@collabora.com>,
	linux-tegra@vger.kernel.org, Janne Grunau <j@jannau.net>,
	Robin Murphy <robin.murphy@arm.com>
Subject: [PATCH v5 3/5] iommu: dma: Use of_iommu_get_resv_regions()
Date: Thu, 12 May 2022 21:00:50 +0200	[thread overview]
Message-ID: <20220512190052.1152377-4-thierry.reding@gmail.com> (raw)
In-Reply-To: <20220512190052.1152377-1-thierry.reding@gmail.com>

From: Thierry Reding <treding@nvidia.com>

For device tree nodes, use the standard of_iommu_get_resv_regions()
implementation to obtain the reserved memory regions associated with a
device.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/iommu/dma-iommu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 1ca85d37eeab..3a40ae7a450b 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -22,6 +22,7 @@
 #include <linux/irq.h>
 #include <linux/mm.h>
 #include <linux/mutex.h>
+#include <linux/of_iommu.h>
 #include <linux/pci.h>
 #include <linux/scatterlist.h>
 #include <linux/spinlock.h>
@@ -386,6 +387,8 @@ void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list)
 	if (!is_of_node(dev_iommu_fwspec_get(dev)->iommu_fwnode))
 		iort_iommu_msi_get_resv_regions(dev, list);
 
+	if (dev->of_node)
+		of_iommu_get_resv_regions(dev, list);
 }
 EXPORT_SYMBOL(iommu_dma_get_resv_regions);
 
-- 
2.36.1

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Rob Herring <robh+dt@kernel.org>, Joerg Roedel <joro@8bytes.org>
Cc: Will Deacon <will@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Nicolin Chen <nicolinc@nvidia.com>,
	Krishna Reddy <vdumpa@nvidia.com>,
	Dmitry Osipenko <dmitry.osipenko@collabora.com>,
	Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>,
	Janne Grunau <j@jannau.net>, Sameer Pujar <spujar@nvidia.com>,
	devicetree@vger.kernel.org, iommu@lists.linux-foundation.org,
	linux-tegra@vger.kernel.org
Subject: [PATCH v5 3/5] iommu: dma: Use of_iommu_get_resv_regions()
Date: Thu, 12 May 2022 21:00:50 +0200	[thread overview]
Message-ID: <20220512190052.1152377-4-thierry.reding@gmail.com> (raw)
In-Reply-To: <20220512190052.1152377-1-thierry.reding@gmail.com>

From: Thierry Reding <treding@nvidia.com>

For device tree nodes, use the standard of_iommu_get_resv_regions()
implementation to obtain the reserved memory regions associated with a
device.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/iommu/dma-iommu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 1ca85d37eeab..3a40ae7a450b 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -22,6 +22,7 @@
 #include <linux/irq.h>
 #include <linux/mm.h>
 #include <linux/mutex.h>
+#include <linux/of_iommu.h>
 #include <linux/pci.h>
 #include <linux/scatterlist.h>
 #include <linux/spinlock.h>
@@ -386,6 +387,8 @@ void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list)
 	if (!is_of_node(dev_iommu_fwspec_get(dev)->iommu_fwnode))
 		iort_iommu_msi_get_resv_regions(dev, list);
 
+	if (dev->of_node)
+		of_iommu_get_resv_regions(dev, list);
 }
 EXPORT_SYMBOL(iommu_dma_get_resv_regions);
 
-- 
2.36.1


  parent reply	other threads:[~2022-05-12 19:01 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-12 19:00 [PATCH v5 0/5] iommu: Support mappings/reservations in reserved-memory regions Thierry Reding
2022-05-12 19:00 ` Thierry Reding
2022-05-12 19:00 ` [PATCH v5 1/5] dt-bindings: reserved-memory: Document iommu-addresses Thierry Reding
2022-05-12 19:00   ` Thierry Reding
2022-05-13 12:33   ` Rob Herring
2022-05-13 12:33     ` Rob Herring
2022-05-15 10:45   ` Janne Grunau
2022-05-15 10:45     ` Janne Grunau
2022-05-18 13:01     ` Thierry Reding
2022-05-18 13:01       ` Thierry Reding
2022-05-12 19:00 ` [PATCH v5 2/5] iommu: Implement of_iommu_get_resv_regions() Thierry Reding
2022-05-12 19:00   ` Thierry Reding
2022-05-13  3:18   ` kernel test robot
2022-05-13  6:13   ` kernel test robot
2022-05-15 11:10   ` Janne Grunau
2022-05-15 11:10     ` Janne Grunau
2022-05-18 12:42     ` Thierry Reding
2022-05-18 12:42       ` Thierry Reding
2022-05-12 19:00 ` Thierry Reding [this message]
2022-05-12 19:00   ` [PATCH v5 3/5] iommu: dma: Use of_iommu_get_resv_regions() Thierry Reding
2022-05-12 19:00 ` [PATCH v5 4/5] iommu/tegra-smmu: Add support for reserved regions Thierry Reding
2022-05-12 19:00   ` Thierry Reding
2022-05-12 19:00 ` [PATCH v5 5/5] iommu/tegra-smmu: Support managed domains Thierry Reding
2022-05-12 19:00   ` Thierry Reding
2022-05-16 18:30   ` Dmitry Osipenko
2022-05-16 18:30     ` Dmitry Osipenko
2022-05-15 10:35 ` [PATCH v5 0/5] iommu: Support mappings/reservations in reserved-memory regions Janne Grunau
2022-05-15 10:35   ` Janne Grunau
2022-05-18 15:29   ` Thierry Reding
2022-05-18 15:29     ` Thierry Reding

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