[PATCH] arm: dma mapping: export arm iommu functions
From: m.szyprowski@samsung.com (Marek Szyprowski)
Date: 2012-12-27 14:15:44
Also in:
linux-mm
Hello, On 12/27/2012 8:14 AM, Prathyush K wrote:
This patch adds EXPORT_SYMBOL calls to the three arm iommu functions - arm_iommu_create_mapping, arm_iommu_free_mapping and arm_iommu_attach_device. These functions can now be called from dynamic modules.
Could You describe a bit more why those functions might be needed by dynamic modules?
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Signed-off-by: Prathyush K <redacted> --- arch/arm/mm/dma-mapping.c | 3 +++ 1 file changed, 3 insertions(+)diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 6b2fb87..c0f0f43 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c@@ -1797,6 +1797,7 @@ err2: err: return ERR_PTR(err); } +EXPORT_SYMBOL(arm_iommu_create_mapping);
EXPORT_SYMOBL_GPL() ?
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static void release_iommu_mapping(struct kref *kref) {@@ -1813,6 +1814,7 @@ void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping) if (mapping) kref_put(&mapping->kref, release_iommu_mapping); } +EXPORT_SYMBOL(arm_iommu_release_mapping); /** * arm_iommu_attach_device@@ -1841,5 +1843,6 @@ int arm_iommu_attach_device(struct device *dev, pr_debug("Attached IOMMU controller to %s device.\n", dev_name(dev)); return 0; } +EXPORT_SYMBOL(arm_iommu_attach_device); #endif
Best regards -- Marek Szyprowski Samsung Poland R&D Center