On Wednesday, November 12, 2014 at 06:53:54 PM, Pavel Machek wrote:
> 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 <s...@denx.de>
> > Cc: Chin Liang See <cl...@altera.com>
> > Cc: Dinh Nguyen <dingu...@altera.com>
> > Cc: Vince Bridgers <vbrid...@altera.com>
> > Cc: Marek Vasut <ma...@denx.de>
> > Cc: Pavel Machek <pa...@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?

The SPI driver should call this function directly. Or is there a reason why
such a macro is used ?

Best regards,
Marek Vasut
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