From 9e424252a35879f121e7ea4531a9ab3dda56d595 Mon Sep 17 00:00:00 2001 From: "Suren A. Chilingaryan" Date: Mon, 18 Jul 2011 16:42:51 +0200 Subject: IRQ acknowledgement support in the engine API --- dma/nwl_engine.c | 21 ++++----------------- 1 file changed, 4 insertions(+), 17 deletions(-) (limited to 'dma/nwl_engine.c') diff --git a/dma/nwl_engine.c b/dma/nwl_engine.c index 669dbbd..277ad23 100644 --- a/dma/nwl_engine.c +++ b/dma/nwl_engine.c @@ -77,12 +77,7 @@ int dma_nwl_start_engine(nwl_dma_t *ctx, pcilib_dma_engine_t dma) { if (info->reused) { info->preserve = 1; - // Acknowledge asserted engine interrupts - nwl_read_register(val, ctx, info->base_addr, REG_DMA_ENG_CTRL_STATUS); - if (val & DMA_ENG_INT_ACTIVE_MASK) { - val |= DMA_ENG_ALLINT_MASK; - nwl_write_register(val, ctx, base, REG_DMA_ENG_CTRL_STATUS); - } + dma_nwl_acknowledge_irq(ctx, PCILIB_DMA_IRQ, dma); #ifdef NWL_GENERATE_DMA_IRQ dma_nwl_enable_engine_irq(ctx, dma); @@ -131,11 +126,7 @@ int dma_nwl_start_engine(nwl_dma_t *ctx, pcilib_dma_engine_t dma) { return PCILIB_ERROR_TIMEOUT; } - // Acknowledge asserted engine interrupts - if (val & DMA_ENG_INT_ACTIVE_MASK) { - val |= DMA_ENG_ALLINT_MASK; - nwl_write_register(val, ctx, base, REG_DMA_ENG_CTRL_STATUS); - } + dma_nwl_acknowledge_irq(ctx, PCILIB_DMA_IRQ, dma); ring_pa = pcilib_kmem_get_pa(ctx->pcilib, info->ring); nwl_write_register(ring_pa, ctx, info->base_addr, REG_DMA_ENG_NEXT_BD); @@ -206,12 +197,8 @@ int dma_nwl_stop_engine(nwl_dma_t *ctx, pcilib_dma_engine_t dma) { nwl_write_register(ring_pa, ctx, info->base_addr, REG_SW_NEXT_BD); } } - - // Acknowledge asserted engine interrupts - if (val & DMA_ENG_INT_ACTIVE_MASK) { - val |= DMA_ENG_ALLINT_MASK; - nwl_write_register(val, ctx, base, REG_DMA_ENG_CTRL_STATUS); - } + + dma_nwl_acknowledge_irq(ctx, PCILIB_DMA_IRQ, dma); if (info->preserve) { flags = PCILIB_KMEM_FLAG_REUSE; -- cgit v1.2.3