linux-kernel - [PATCH 2/4] dma-mapping: remove the dma_mmap_from_dev

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Date:   Mon,  2 Sep 2019 22:07:44 +0200
From:   Christoph Hellwig <hch@....de>
To:     iommu@...ts.linux-foundation.org,
        Loic Pallardy <loic.pallardy@...com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Ohad Ben-Cohen <ohad@...ery.com>, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] dma-mapping: remove the dma_mmap_from_dev_coherent export

dma_mmap_from_dev_coherent is only used by dma_map_ops instances,
none of which is modular.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 kernel/dma/coherent.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/dma/coherent.c b/kernel/dma/coherent.c
index 7271cda86a37..7cafe1affdc9 100644
--- a/kernel/dma/coherent.c
+++ b/kernel/dma/coherent.c
@@ -277,7 +277,6 @@ int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma,
 
 	return __dma_mmap_from_coherent(mem, vma, vaddr, size, ret);
 }
-EXPORT_SYMBOL(dma_mmap_from_dev_coherent);
 
 int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *vaddr,
 				   size_t size, int *ret)
-- 
2.20.1