Unverified Commit d2ae5d42 authored by Joy Chakraborty's avatar Joy Chakraborty Committed by Mark Brown
Browse files

spi: dw: Move dw_spi_can_dma() 



Move dw_spi_can_dma() implementation below dw_spi_dma_convert_width()
for handing compile dependency in future patches.

* tested on Baikal-T1 based system with DW SPI-looped back interface
transferring a chunk of data with DFS:8,12,16.

Signed-off-by: default avatarJoy Chakraborty <joychakr@google.com>
Reviewed-by: default avatarSerge Semin <fancer.lancer@gmail.com>
Tested-by: default avatarSerge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20230427123314.1997152-3-joychakr@google.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5147d5bf

drivers/spi/spi-dw-dma.c

+8 −8
Original line number Diff line number Diff line
@@ -198,14 +198,6 @@ static irqreturn_t dw_spi_dma_transfer_handler(struct dw_spi *dws) 
	return IRQ_HANDLED;

}



static bool dw_spi_can_dma(struct spi_controller *master,

			   struct spi_device *spi, struct spi_transfer *xfer)

{

	struct dw_spi *dws = spi_controller_get_devdata(master);



	return xfer->len > dws->fifo_len;

}



static enum dma_slave_buswidth dw_spi_dma_convert_width(u8 n_bytes)

{

	switch (n_bytes) {
@@ -220,6 +212,14 @@ static enum dma_slave_buswidth dw_spi_dma_convert_width(u8 n_bytes) 
	}

}



static bool dw_spi_can_dma(struct spi_controller *master,

			   struct spi_device *spi, struct spi_transfer *xfer)

{

	struct dw_spi *dws = spi_controller_get_devdata(master);



	return xfer->len > dws->fifo_len;

}



static int dw_spi_dma_wait(struct dw_spi *dws, unsigned int len, u32 speed)

{

	unsigned long long ms;