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| author | Joy Chakraborty <joychakr@google.com> | 2023-04-27 15:33:11 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-05-08 03:11:27 +0300 |
| commit | d2ae5d42464e990b4d26734c180fbff64233992c (patch) | |
| tree | b38792c39645a11fc9715a4a9edd21284a518d75 /drivers/spi/spi-dw-dma.c | |
| parent | 5147d5bfddc807e990a762aed0e56724afeda663 (diff) | |
| download | linux-d2ae5d42464e990b4d26734c180fbff64233992c.tar.xz | |
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: Joy Chakraborty <joychakr@google.com
Reviewed-by: Serge Semin <fancer.lancer@gmail.com
Tested-by: Serge Semin <fancer.lancer@gmail.com
Link: https://lore.kernel.org/r/20230427123314.1997152-3-joychakr@google.com
Signed-off-by: Mark Brown <broonie@kernel.org
Diffstat (limited to 'drivers/spi/spi-dw-dma.c')
| -rw-r--r-- | drivers/spi/spi-dw-dma.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c index c1b42cb59965..f19c092920a1 100644 --- a/drivers/spi/spi-dw-dma.c +++ b/drivers/spi/spi-dw-dma.c @@ -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; |