[U-Boot] [PATCH 6/6] arm: socfpga: Add Designware (DW) SPI support to config header

[Pavel Machek <pavel@denx.de>]

On Fri 2014-11-07 13:50:34, Stefan Roese wrote:
> Enable support for the DW master SPI controller in the config header
> for the SoCFPGA. This controller can only be enabled, if DT support
> is enabled.
> 
> Signed-off-by: Stefan Roese <sr@denx.de>
> Cc: Chin Liang See <clsee@altera.com>
> Cc: Dinh Nguyen <dinguyen@altera.com>
> Cc: Vince Bridgers <vbridger@altera.com>
> Cc: Marek Vasut <marex@denx.de>
> Cc: Pavel Machek <pavel@denx.de>
> ---
>  include/configs/socfpga_common.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h
> index 9fc4212..830b956 100644
> --- a/include/configs/socfpga_common.h
> +++ b/include/configs/socfpga_common.h
> @@ -191,6 +191,18 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
>  #define CONFIG_CMD_SF
>  #endif
>  
> +#ifdef CONFIG_OF_CONTROL	/* DW SPI is controlled via DT */
> +#define CONFIG_CMD_DM
> +#define CONFIG_DM
> +#define CONFIG_DM_SPI
> +#define CONFIG_DESIGNWARE_SPI
> +#ifndef __ASSEMBLY__
> +unsigned int cm_get_spi_controller_clk_hz(void);
> +#define CONFIG_DW_SPI_REF_CLK		cm_get_spi_controller_clk_hz()

Putting prototypes into configuration file is ugly. Hiding function
call into macro so that it looks like constant is evil. Is there
better solution?
									Pavel

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