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authorJoy Chakraborty <joychakr@google.com>2023-04-27 15:33:11 +0300
committerMark Brown <broonie@kernel.org>2023-05-08 03:11:27 +0300
commitd2ae5d42464e990b4d26734c180fbff64233992c (patch)
treeb38792c39645a11fc9715a4a9edd21284a518d75 /drivers/spi/spi-dw-dma.c
parent5147d5bfddc807e990a762aed0e56724afeda663 (diff)
downloadlinux-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.c16
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;