linux-kernel - [PATCH] dma-coherent: export dma_[alloc|release]_from

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Message-ID: <20080820101811.GA31841@elte.hu>
Date:	Wed, 20 Aug 2008 12:18:11 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Joerg Roedel <joerg.roedel@....com>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	muli@...ibm.com
Subject: [PATCH] dma-coherent: export dma_[alloc|release]_from_coherent
	methods


>From ed0a6445788eed1fa836442730d8fe8ab1086629 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@...e.hu>
Date: Wed, 20 Aug 2008 12:16:09 +0200
Subject: [PATCH] dma-coherent: export dma_[alloc|release]_from_coherent methods

fixes modular builds:

  ERROR: "dma_alloc_from_coherent" [sound/core/snd-page-alloc.ko] undefined!
  ERROR: "dma_release_from_coherent" [sound/core/snd-page-alloc.ko] undefined!

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/dma-coherent.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/dma-coherent.c b/kernel/dma-coherent.c
index c1d4d5b..f013a0c 100644
--- a/kernel/dma-coherent.c
+++ b/kernel/dma-coherent.c
@@ -124,6 +124,7 @@ int dma_alloc_from_coherent(struct device *dev, ssize_t size,
 	}
 	return (mem != NULL);
 }
+EXPORT_SYMBOL(dma_alloc_from_coherent);
 
 /**
  * dma_release_from_coherent() - try to free the memory allocated from per-device coherent memory pool
@@ -151,3 +152,4 @@ int dma_release_from_coherent(struct device *dev, int order, void *vaddr)
 	}
 	return 0;
 }
+EXPORT_SYMBOL(dma_release_from_coherent);
--
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