diff options
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
| -rw-r--r-- | arch/arm/plat-omap/dma.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index b5608b1f9fbd..c2baa8ede543 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -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) { @@ -2100,7 +2102,7 @@ static int omap_system_dma_probe(struct platform_device *pdev) omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE, DMA_DEFAULT_FIFO_DEPTH, 0); - if (dma_omap2plus()) { + if (dma_omap2plus() && !(d->dev_caps & DMA_ENGINE_HANDLE_IRQ)) { strcpy(irq_name, "0"); dma_irq = platform_get_irq_byname(pdev, irq_name); if (dma_irq < 0) { @@ -2145,7 +2147,8 @@ static int omap_system_dma_remove(struct platform_device *pdev) char irq_name[4]; strcpy(irq_name, "0"); dma_irq = platform_get_irq_byname(pdev, irq_name); - remove_irq(dma_irq, &omap24xx_dma_irq); + if (dma_irq >= 0) + remove_irq(dma_irq, &omap24xx_dma_irq); } else { int irq_rel = 0; for ( ; irq_rel < dma_chan_count; irq_rel++) { |