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path: root/drivers/dma/at_hdmac_regs.h
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Diffstat (limited to 'drivers/dma/at_hdmac_regs.h')
-rw-r--r--drivers/dma/at_hdmac_regs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index 3679933fb646..f31d647acdfa 100644
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -213,6 +213,7 @@ txd_to_at_desc(struct dma_async_tx_descriptor *txd)
enum atc_status {
ATC_IS_ERROR = 0,
ATC_IS_PAUSED = 1,
+ ATC_IS_BTC = 2,
ATC_IS_CYCLIC = 24,
};
@@ -230,6 +231,7 @@ enum atc_status {
* @save_cfg: configuration register that is saved on suspend/resume cycle
* @save_dscr: for cyclic operations, preserve next descriptor address in
* the cyclic list on suspend/resume cycle
+ * @remain_desc: to save remain desc length
* @dma_sconfig: configuration for slave transfers, passed via DMA_SLAVE_CONFIG
* @lock: serializes enqueue/dequeue operations to descriptors lists
* @active_list: list of descriptors dmaengine is being running on
@@ -248,6 +250,7 @@ struct at_dma_chan {
struct tasklet_struct tasklet;
u32 save_cfg;
u32 save_dscr;
+ u32 remain_desc;
struct dma_slave_config dma_sconfig;
spinlock_t lock;