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>
---
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 b481296..1e8425b 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);
}
/*----------------------------------------------------------------------*/
@@ -1101,7 +1101,7 @@ 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)
@@ -1207,7 +1207,7 @@ 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 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
--
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