We have already dedicated variable for flags, therefore no need to create an additional storage for that. Covert dwc->initialized to use dwc->flags. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Signed-off-by: Mans Rullgard <mans@xxxxxxxxx> --- drivers/dma/dw/core.c | 8 ++++---- drivers/dma/dw/regs.h | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 6cc83df..dbf026c 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -138,7 +138,7 @@ static void dwc_initialize(struct dw_dma_chan *dwc) u32 cfghi = DWC_CFGH_FIFO_MODE; u32 cfglo = DWC_CFGL_CH_PRIOR(dwc->priority); - if (dwc->initialized == true) + if (test_bit(DW_DMA_IS_INITIALIZED, &dwc->flags)) return; if (dws) { @@ -162,7 +162,7 @@ static void dwc_initialize(struct dw_dma_chan *dwc) channel_set_bit(dw, MASK.XFER, dwc->mask); channel_set_bit(dw, MASK.ERROR, dwc->mask); - dwc->initialized = true; + set_bit(DW_DMA_IS_INITIALIZED, &dwc->flags); } /*----------------------------------------------------------------------*/ @@ -1107,7 +1107,7 @@ static void dw_dma_off(struct dw_dma *dw) cpu_relax(); for (i = 0; i < dw->dma.chancnt; i++) - dw->chan[i].initialized = false; + clear_bit(DW_DMA_IS_INITIALIZED, &dw->chan[i].flags); } static void dw_dma_on(struct dw_dma *dw) @@ -1200,13 +1200,13 @@ static void dwc_free_chan_resources(struct dma_chan *chan) spin_lock_irqsave(&dwc->lock, flags); list_splice_init(&dwc->free_list, &list); dwc->descs_allocated = 0; - dwc->initialized = false; /* Disable interrupts */ channel_clear_bit(dw, MASK.XFER, dwc->mask); channel_clear_bit(dw, MASK.BLOCK, dwc->mask); channel_clear_bit(dw, MASK.ERROR, dwc->mask); + clear_bit(DW_DMA_IS_INITIALIZED, &dwc->flags); spin_unlock_irqrestore(&dwc->lock, flags); /* Disable controller in case it was a last user */ diff --git a/drivers/dma/dw/regs.h b/drivers/dma/dw/regs.h index 6355f6c..2c0561d 100644 --- a/drivers/dma/dw/regs.h +++ b/drivers/dma/dw/regs.h @@ -217,6 +217,7 @@ enum dw_dmac_flags { DW_DMA_IS_CYCLIC = 0, DW_DMA_IS_SOFT_LLP = 1, DW_DMA_IS_PAUSED = 2, + DW_DMA_IS_INITIALIZED = 3, }; struct dw_dma_chan { @@ -225,7 +226,6 @@ struct dw_dma_chan { u8 mask; u8 priority; enum dma_transfer_direction direction; - bool initialized; /* software emulation of the LLP transfers */ struct list_head *tx_node_active; -- 2.7.0 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html