[U-Boot] [PATCH 1/2] spl_spi: Read default speed and mode values from DT

[Simon Goldschmidt]

On Thu, Nov 8, 2018 at 5:58 PM Patrick Delaunay <patrick.delaunay at st.com> wrote:
>
> In case of DT boot, don't read default speed and mode for SPI from
> CONFIG_*, instead read from DT node.
>
> Signed-off-by: Christophe Kerello <christophe.kerello at st.com>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> ---
>
>  common/spl/spl_spi.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/common/spl/spl_spi.c b/common/spl/spl_spi.c
> index 8cd4830..3cefc9a 100644
> --- a/common/spl/spl_spi.c
> +++ b/common/spl/spl_spi.c
> @@ -78,11 +78,18 @@ static int spl_spi_load_image(struct spl_image_info *spl_image,
>         /*
>          * Load U-Boot image from SPI flash into RAM
>          */
> -
> +#ifdef CONFIG_DM_SPI_FLASH
> +       /* In DM mode defaults will be taken from DT */
> +       flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS,
> +                               CONFIG_SF_DEFAULT_CS,
> +                               0,
> +                               0);

Code duplication is never good. Wouldn't it be nicer to only have an
#if for the two differing parameters (e.g. via local variables)
instead of duplicating the function call?

Simon

> +#else
>         flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS,
>                                 CONFIG_SF_DEFAULT_CS,
>                                 CONFIG_SF_DEFAULT_SPEED,
>                                 CONFIG_SF_DEFAULT_MODE);
> +#endif
>         if (!flash) {
>                 puts("SPI probe failed.\n");
>                 return -ENODEV;
> --
> 2.7.4
>