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path: root/drivers/dma/dw_dmac_regs.h
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Diffstat (limited to 'drivers/dma/dw_dmac_regs.h')
-rw-r--r--drivers/dma/dw_dmac_regs.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h
index b252b202c5cf..13a580767031 100644
--- a/drivers/dma/dw_dmac_regs.h
+++ b/drivers/dma/dw_dmac_regs.h
@@ -126,6 +126,10 @@ struct dw_dma_regs {
126 126
127#define DW_REGLEN 0x400 127#define DW_REGLEN 0x400
128 128
129enum dw_dmac_flags {
130 DW_DMA_IS_CYCLIC = 0,
131};
132
129struct dw_dma_chan { 133struct dw_dma_chan {
130 struct dma_chan chan; 134 struct dma_chan chan;
131 void __iomem *ch_regs; 135 void __iomem *ch_regs;
@@ -134,10 +138,12 @@ struct dw_dma_chan {
134 spinlock_t lock; 138 spinlock_t lock;
135 139
136 /* these other elements are all protected by lock */ 140 /* these other elements are all protected by lock */
141 unsigned long flags;
137 dma_cookie_t completed; 142 dma_cookie_t completed;
138 struct list_head active_list; 143 struct list_head active_list;
139 struct list_head queue; 144 struct list_head queue;
140 struct list_head free_list; 145 struct list_head free_list;
146 struct dw_cyclic_desc *cdesc;
141 147
142 unsigned int descs_allocated; 148 unsigned int descs_allocated;
143}; 149};
@@ -158,7 +164,6 @@ static inline struct dw_dma_chan *to_dw_dma_chan(struct dma_chan *chan)
158 return container_of(chan, struct dw_dma_chan, chan); 164 return container_of(chan, struct dw_dma_chan, chan);
159} 165}
160 166
161
162struct dw_dma { 167struct dw_dma {
163 struct dma_device dma; 168 struct dma_device dma;
164 void __iomem *regs; 169 void __iomem *regs;