[v9,2/5] spi: dw: Move dw_spi_can_dma()
Commit Message
Move dw_spi_can_dma() implementation below dw_spi_dma_convert_width()
for handing compile dependency in future patches.
Signed-off-by: Joy Chakraborty <joychakr@google.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
* tested on Baikal-T1 based system with DW SPI-looped back interface
transferring a chunk of data with DFS:8,12,16.
---
drivers/spi/spi-dw-dma.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
@@ -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;