linux-kernel - [PATCH 1/2] DMAENGINE: define a dummy filter function for coh901318

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Date:	Tue, 28 Sep 2010 09:03:12 +0200
From:	Linus Walleij <linus.walleij@...ricsson.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	<linux-kernel@...r.kernel.org>,
	Linus Walleij <linus.walleij@...ricsson.com>
Subject: [PATCH 1/2] DMAENGINE: define a dummy filter function for coh901318

All platform data has to be made conditional on
as to avoid cluttering the code with other #ifdef:s.

Signed-off-by: Linus Walleij <linus.walleij@...ricsson.com>
---
 arch/arm/mach-u300/include/mach/coh901318.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-u300/include/mach/coh901318.h b/arch/arm/mach-u300/include/mach/coh901318.h
index 193da2d..a90484e 100644
--- a/arch/arm/mach-u300/include/mach/coh901318.h
+++ b/arch/arm/mach-u300/include/mach/coh901318.h
@@ -102,6 +102,7 @@ struct coh901318_platform {
 	const int max_channels;
 };
 
+#ifdef CONFIG_COH901318
 /**
  * coh901318_filter_id() - DMA channel filter function
  * @chan: dma channel handle
@@ -110,6 +111,12 @@ struct coh901318_platform {
  * In dma_request_channel() it specifies what channel id to be requested
  */
 bool coh901318_filter_id(struct dma_chan *chan, void *chan_id);
+#else
+static inline bool coh901318_filter_id(struct dma_chan *chan, void *chan_id)
+{
+	return false;
+}
+#endif
 
 /*
  * DMA Controller - this access the static mappings of the coh901318 dma.
-- 
1.6.3.3

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