[U-Boot] [PATCH] dm: pinctrl: Skip not associated gpio phandle and rise an error message

Michael Nazzareno Trimarchi michael at amarulasolutions.com
Tue Sep 17 17:11:54 UTC 2019


Hi

On Tue, Sep 17, 2019 at 7:48 AM Simon Glass <sjg at chromium.org> wrote:
>
> Hi Michael,
>
> On Sun, 15 Sep 2019 at 04:45, Michael Trimarchi
> <michael at amarulasolutions.com> wrote:
> >
> > Skip not associated gpio phandle let register the other gpios and
> > the error message add some information to debug the problem using
> > a decompiled version of the dts
> >
> > dtc -I dtb -O dts -o devicetree.dts spl/u-boot-spl.dtb
> >
> > Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>
> > ---
> >  drivers/pinctrl/pinctrl-uclass.c | 14 ++++++++++----
> >  1 file changed, 10 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
> > index 5b1cd29d86..87b0c3e35b 100644
> > --- a/drivers/pinctrl/pinctrl-uclass.c
> > +++ b/drivers/pinctrl/pinctrl-uclass.c
> > @@ -91,12 +91,18 @@ static int pinctrl_select_state_full(struct udevice *dev, const char *statename)
> >                 phandle = fdt32_to_cpu(*list++);
> >                 ret = uclass_get_device_by_phandle_id(UCLASS_PINCONFIG, phandle,
> >                                                       &config);
> > -               if (ret)
> > -                       return ret;
> > +               if (ret) {
> > +                       dev_err(dev, "%s: uclass_get_device_by_phandle_id: err=%d\n",
> > +                               __func__, ret);
> > +                       continue;
>
> If is is an error, why continue?

It's not a fatal error, it helps to people to fix their board-uboot.dtsi file
>
> Perhaps a warning or a log_debug() instead?

Ok I will change

Michael

>
> > +               }
> >
> >                 ret = pinctrl_config_one(config);
> > -               if (ret)
> > -                       return ret;
> > +               if (ret) {
> > +                       dev_err(dev, "%s: pinctrl_config_one: err=%d\n",
> > +                               __func__, ret);
> > +                       continue;
> > +               }
> >         }
> >
> >         return 0;
> > --
> > 2.17.1
> >
>
> Regards,
> Simon



-- 
| Michael Nazzareno Trimarchi                     Amarula Solutions BV |
| COO  -  Founder                                      Cruquiuskade 47 |
| +31(0)851119172                                 Amsterdam 1018 AM NL |
|                  [`as] http://www.amarulasolutions.com               |


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