[U-Boot] [PATCH 05/10] spi: sun4i: Support fifo_depth via drvdata

[André Przywara]

On 09/02/2019 13:14, Jagan Teki wrote:
> 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 at amarulasolutions.com>

Reviewed-by: Andre Przywara <andre.przywara at arm.com>

Cheers,
Andre

> ---
>  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 c06028890b..d3cf25db6f 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
> @@ -124,6 +122,7 @@ enum sun4i_spi_bits {
>  
>  struct sun4i_spi_variant {
>  	const unsigned long *regs, *bits;
> +	u32 fifo_depth;
>  };
>  
>  struct sun4i_spi_platdata {
> @@ -363,7 +362,7 @@ 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),
> @@ -511,6 +510,7 @@ static const unsigned long 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[] = {
>