Support fifo_depth via drvdata instead of macro definition, this would eventually reduce another macro definition for new SPI controller fifo depth support addition.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com Reviewed-by: Andre Przywara andre.przywara@arm.com --- drivers/spi/sun4i_spi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/sun4i_spi.c b/drivers/spi/sun4i_spi.c index be026e6554..82e69a6b6a 100644 --- a/drivers/spi/sun4i_spi.c +++ b/drivers/spi/sun4i_spi.c @@ -33,8 +33,6 @@
#include <linux/iopoll.h>
-#define SUN4I_FIFO_DEPTH 64 - #define SUN4I_RXDATA_REG 0x00
#define SUN4I_TXDATA_REG 0x04 @@ -131,6 +129,7 @@ enum sun4i_spi_bits { struct sun4i_spi_variant { const unsigned long *regs; const u32 *bits; + u32 fifo_depth; };
struct sun4i_spi_platdata { @@ -359,7 +358,7 @@ static int sun4i_spi_xfer(struct udevice *dev, unsigned int bitlen,
while (len) { /* Setup the transfer now... */ - nbytes = min(len, (u32)(SUN4I_FIFO_DEPTH - 1)); + nbytes = min(len, (priv->variant->fifo_depth - 1));
/* Setup the counters */ writel(SUN4I_BURST_CNT(nbytes), SPI_REG(priv, SPI_BC)); @@ -503,6 +502,7 @@ static const u32 sun4i_spi_bits[] = { static const struct sun4i_spi_variant sun4i_a10_spi_variant = { .regs = sun4i_spi_regs, .bits = sun4i_spi_bits, + .fifo_depth = 64, };
static const struct udevice_id sun4i_spi_ids[] = {