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ARM: OMAP: add deprecation message for legacy OMAP DMA API

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The legacy OMAP DMA API is now deprecated; all remaining users should
now convert over ASAP to using the DMA engine API instead of the OMAP
private API.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2014-06-07 10:47:36 +01:00
parent 4c834452aa
commit 5c65c360da
1 changed files with 2 additions and 0 deletions
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2
arch/arm/plat-omap/dma.c
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@ -698,6 +698,8 @@ int omap_request_dma(int dev_id, const char *dev_name,
unsigned long flags;
struct omap_dma_lch *chan;
WARN(strcmp(dev_name, "DMA engine"), "Using deprecated platform DMA API - please update to DMA engine");
spin_lock_irqsave(&dma_chan_lock, flags);
for (ch = 0; ch < dma_chan_count; ch++) {
if (free_ch == -1 && dma_chan[ch].dev_id == -1) {