[U-Boot] [PATCH 3/5] mtd: rawnand: denali: add reset handling

[Simon Goldschmidt]

Hi Miquel,

On Mon, Jan 28, 2019 at 10:08 AM Miquel Raynal
<miquel.raynal at bootlin.com> wrote:
>
> Hi Simon,
>
> Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com> wrote on Fri, 25
> Jan 2019 21:30:49 +0100:
>
> > This adds reset handling to the devicetree-enabled denalid nand driver.
>
> "Denali NAND driver"

Right.

>
> >
> > For backwards compatibility, only a warning is printed when failing to
> > get reset handles.
> >
> > Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
> > ---
> >
> >  drivers/mtd/nand/raw/denali_dt.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
> > index d384b974df..21c4540637 100644
> > --- a/drivers/mtd/nand/raw/denali_dt.c
> > +++ b/drivers/mtd/nand/raw/denali_dt.c
> > @@ -9,6 +9,7 @@
> >  #include <linux/io.h>
> >  #include <linux/ioport.h>
> >  #include <linux/printk.h>
> > +#include <reset.h>
> >
> >  #include "denali.h"
> >
> > @@ -64,6 +65,7 @@ static int denali_dt_probe(struct udevice *dev)
> >       const struct denali_dt_data *data;
> >       struct clk clk, clk_x, clk_ecc;
> >       struct resource res;
> > +     struct reset_ctl_bulk reset_bulk;
> >       int ret;
> >
> >       data = (void *)dev_get_driver_data(dev);
> > @@ -131,6 +133,12 @@ static int denali_dt_probe(struct udevice *dev)
> >               denali->clk_x_rate = 200000000;
> >       }
> >
> > +     ret = reset_get_bulk(bus, &reset_bulk);
> > +     if (ret)
> > +             dev_warn(bus, "Cant' get reset: %d\n", ret);
> > +     else
> > +             reset_deassert_bulk(&reset_bulk);
>
> Where are reset_get_bulk/reset_deassert_bulk() defined?

In reset.h. That's why I added this include (see above)...

Regards,
Simon

>
> > +
> >       return denali_init(denali);
> >  }
> >
>
> Thanks,
> Miquèl