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

[Patrick DELAUNAY <patrick.delaunay@st.com>]

Hi Simon,

> From: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
> Sent: vendredi 9 novembre 2018 07:45
> Subject: Re: [PATCH 1/2] spl_spi: Read default speed and mode values from DT
> Importance: High
> 
> On Thu, Nov 8, 2018 at 5:58 PM Patrick Delaunay <patrick.delaunay@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@st.com>
> > Signed-off-by: Patrick Delaunay <patrick.delaunay@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?

Ok. I take the point and I will update the patchset with local variable in v2.
I just wait few day to be sure it is the only remark.

> 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
> >

Regards
Patrick