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

/linux-6.12.1/kernel/
Ddma.c60 static struct dma_chan dma_chan_busy[MAX_DMA_CHANNELS] = { variable
75 if (xchg(&dma_chan_busy[dmanr].lock, 1) != 0) in request_dma()
78 dma_chan_busy[dmanr].device_id = device_id; in request_dma()
95 if (xchg(&dma_chan_busy[dmanr].lock, 0) == 0) { in free_dma()
123 if (dma_chan_busy[i].lock) { in proc_dma_show()
125 dma_chan_busy[i].device_id); in proc_dma_show()
/linux-6.12.1/drivers/spi/
Dspi-dw-dma.c317 clear_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_tx_done()
318 if (test_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy)) in dw_spi_dma_tx_done()
362 set_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_submit_tx()
418 clear_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_rx_done()
419 if (test_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy)) in dw_spi_dma_rx_done()
463 set_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_submit_rx()
673 if (test_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy)) { in dw_spi_dma_stop()
675 clear_bit(DW_SPI_TX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_stop()
677 if (test_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy)) { in dw_spi_dma_stop()
679 clear_bit(DW_SPI_RX_BUSY, &dws->dma_chan_busy); in dw_spi_dma_stop()
Dspi-dw.h194 unsigned long dma_chan_busy; member