mach-u300: 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@linaro.org>

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 6193aaa47794..7c3b2b2d25b6 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.