diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2016-03-18 16:24:52 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-04-13 21:36:16 +0530 |
| commit | 423f9cbf2da8110e01eee56b8f755332432e82c7 (patch) | |
| tree | ec97e2a4f816a1912a7d9f4e8e67a6423f7f377c /drivers/dma/dw | |
| parent | 5e09f98e77e9bd500e3d930bfd46b1924cca01ca (diff) | |
| download | linux-423f9cbf2da8110e01eee56b8f755332432e82c7.tar.bz2 | |
dmaengine: dw: move dwc->initialized to dwc->flags
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@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/dw')
| -rw-r--r-- | drivers/dma/dw/core.c | 8 | ||||
| -rw-r--r-- | 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 2ee3acc68a61..848d33507df9 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -137,7 +137,7 @@ 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; cfghi |= DWC_CFGH_DST_PER(dwc->dst_id); @@ -150,7 +150,7 @@ 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); } /*----------------------------------------------------------------------*/ @@ -1127,7 +1127,7 @@ 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) @@ -1236,7 +1236,7 @@ static void dwc_free_chan_resources(struct dma_chan *chan) dwc->m_master = 0; dwc->p_master = 0; - dwc->initialized = false; + clear_bit(DW_DMA_IS_INITIALIZED, &dwc->flags); /* Disable interrupts */ channel_clear_bit(dw, MASK.XFER, dwc->mask); diff --git a/drivers/dma/dw/regs.h b/drivers/dma/dw/regs.h index 94f8f62ff884..89178641e80b 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; |