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Searched refs:last_tail (Results 1 – 2 of 2) sorted by relevance

/linux-4.4.14/drivers/dma/
Dmic_x100_dma.c93 u32 last_tail; in mic_dma_cleanup() local
103 for (last_tail = ch->last_tail; tail != last_tail;) { in mic_dma_cleanup()
104 tx = &ch->tx_array[last_tail]; in mic_dma_cleanup()
112 last_tail = mic_dma_hw_ring_inc(last_tail); in mic_dma_cleanup()
116 ch->last_tail = last_tail; in mic_dma_cleanup()
137 count = mic_dma_ring_count(ch->head, ch->last_tail); in mic_dma_avail_desc_ring_space()
140 count = mic_dma_ring_count(ch->head, ch->last_tail); in mic_dma_avail_desc_ring_space()
460 ch->last_tail = mic_dma_read_reg(ch, MIC_DMA_REG_DTPR); in mic_dma_chan_setup()
461 ch->head = ch->last_tail; in mic_dma_chan_setup()
Dmic_x100_dma.h115 u32 last_tail; member