Searched refs:dma_chan_busy (Results 1 - 3 of 3) sorted by relevance
/linux-master/kernel/ |
H A D | dma.c | 50 /* Channel n is busy iff dma_chan_busy[n].lock != 0. 60 static struct dma_chan dma_chan_busy[MAX_DMA_CHANNELS] = { variable in typeref:struct:dma_chan 75 if (xchg(&dma_chan_busy[dmanr].lock, 1) != 0) 78 dma_chan_busy[dmanr].device_id = device_id; 95 if (xchg(&dma_chan_busy[dmanr].lock, 0) == 0) { 123 if (dma_chan_busy[i].lock) { 125 dma_chan_busy[i].device_id);
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/linux-master/drivers/spi/ |
H A D | spi-dw-dma.c | 310 * dws->dma_chan_busy is set before the dma transfer starts, callback for tx 317 clear_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy); 318 if (test_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy)) 362 set_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy); 411 * dws->dma_chan_busy is set before the dma transfer starts, callback for rx 418 clear_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy); 419 if (test_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy)) 463 set_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy); 673 if (test_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy)) { 675 clear_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy); [all...] |
H A D | spi-dw.h | 194 unsigned long dma_chan_busy; member in struct:dw_spi
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