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Searched refs:dma_chan_busy (Results 1 – 3 of 3) sorted by relevance

/linux-4.1.27/kernel/
Ddma.c59 static struct dma_chan dma_chan_busy[MAX_DMA_CHANNELS] = { variable
74 if (xchg(&dma_chan_busy[dmanr].lock, 1) != 0) in request_dma()
77 dma_chan_busy[dmanr].device_id = device_id; in request_dma()
94 if (xchg(&dma_chan_busy[dmanr].lock, 0) == 0) { in free_dma()
122 if (dma_chan_busy[i].lock) { in proc_dma_show()
124 dma_chan_busy[i].device_id); in proc_dma_show()
/linux-4.1.27/drivers/spi/
Dspi-dw-mid.c143 clear_bit(TX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_tx_done()
144 if (test_bit(RX_BUSY, &dws->dma_chan_busy)) in dw_spi_dma_tx_done()
189 clear_bit(RX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_rx_done()
190 if (test_bit(TX_BUSY, &dws->dma_chan_busy)) in dw_spi_dma_rx_done()
260 set_bit(RX_BUSY, &dws->dma_chan_busy); in mid_spi_dma_transfer()
266 set_bit(TX_BUSY, &dws->dma_chan_busy); in mid_spi_dma_transfer()
276 if (test_bit(TX_BUSY, &dws->dma_chan_busy)) { in mid_spi_dma_stop()
278 clear_bit(TX_BUSY, &dws->dma_chan_busy); in mid_spi_dma_stop()
280 if (test_bit(RX_BUSY, &dws->dma_chan_busy)) { in mid_spi_dma_stop()
282 clear_bit(RX_BUSY, &dws->dma_chan_busy); in mid_spi_dma_stop()
Dspi-dw.h131 unsigned long dma_chan_busy; member