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



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>

parent 4c834452

arch/arm/plat-omap/dma.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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) {