From: hdoyu@nvidia.com (Hiroshi Doyu)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: dma-mapping: Add macro to_dma_iommu_mapping()
Date: Thu, 24 Jan 2013 15:16:56 +0200 [thread overview]
Message-ID: <1359033425-6674-1-git-send-email-hdoyu@nvidia.com> (raw)
This can be built without CONFIG_ARM_DMA_USE_IOMMU.
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
---
arch/arm/include/asm/device.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h
index 5191a83..6fbe514 100644
--- a/arch/arm/include/asm/device.h
+++ b/arch/arm/include/asm/device.h
@@ -33,4 +33,10 @@ struct pdev_archdata {
#endif
};
+#ifdef CONFIG_ARM_DMA_USE_IOMMU
+#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
+#else
+#define to_dma_iommu_mapping(dev) NULL
+#endif
+
#endif
--
1.7.9.5
next reply other threads:[~2013-01-24 13:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-24 13:16 Hiroshi Doyu [this message]
2013-01-24 13:16 ` [PATCH 2/2] ARM: dma-mapping: Add arm_iommu_detach_device() Hiroshi Doyu
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