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OMAP: add deprecation message for legacy omap DMA API

PATCH New Russell King 2 participants 2 messages Jun 13, 2014

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Arm (32-bit) Arm sub-architectures
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Russell King

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#0 lore raw

PATCH 1/1 OMAP: add deprecation message for legacy omap DMA API

Signed-off-by Russell King <[email protected]>
---
 arch/arm/plat-omap/dma.c | 2 ++
 1 file changed, 2 insertions(+)
arch/arm/plat-omap/dma.c +2 -0
index b5608b1f9fbd..1c98659bbf89 100644
@@ -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) {
Signature · 1 line
1.8.3.1
#1 lore raw

PATCH 1/1 OMAP: add deprecation message for legacy omap DMA API

Quoted 1 line · Russell King
Signed-off-by Russell King <[email protected]>
Acked-by Tony Lindgren <[email protected]>
Quoted 20 lines
---
 arch/arm/plat-omap/dma.c | 2 ++
 1 file changed, 2 insertions(+)
arch/arm/plat-omap/dma.c +2 -0
index b5608b1f9fbd..1c98659bbf89 100644
@@ -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) {
Signature · 1 line
1.8.3.1