Hi,

Sorry, please ignore this, I didn't realise this patch was for u-boot.

On Tue, Jul 17, 2018 at 10:45 PM Julian Calaby <julian.cal...@gmail.com> wrote:
>
> Hi Jagan,
>
> On Tue, Jul 10, 2018 at 5:17 AM Jagan Teki <ja...@amarulasolutions.com> wrote:
> >
> > When MUSB is operating in peripheral mode, probe registering
> > musb core using musb_register which intern return int value
> > for validation. so there is no scope to preserve struct musb
> > pointer but the same can be used in .remove musb_stop.
> > So fix this by return musb_register with struct musb pointer.
> >
> > Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
> > ---
> >  board/compulab/cm_t3517/cm_t3517.c |  4 ++--
> >  drivers/usb/musb-new/musb_uboot.c  | 10 +++++-----
> >  drivers/usb/musb-new/pic32.c       |  6 ++++--
> >  drivers/usb/musb-new/sunxi.c       |  8 +++++---
> >  include/linux/usb/musb.h           |  4 ++--
> >  5 files changed, 18 insertions(+), 14 deletions(-)
> >
> > diff --git a/drivers/usb/musb-new/musb_uboot.c 
> > b/drivers/usb/musb-new/musb_uboot.c
> > index 2b04fbd046..3cd89793c9 100644
> > --- a/drivers/usb/musb-new/musb_uboot.c
> > +++ b/drivers/usb/musb-new/musb_uboot.c
> > @@ -436,14 +436,14 @@ int musb_register(struct musb_hdrc_platform_data 
> > *plat, void *bdata,
> >                 break;
> >  #endif
> >         default:
> > -               return -EINVAL;
> > +               return NULL;
>
> These error constants appear to have been chosen specifically, so
> would it be nicer to preserve them and use ERR_PTR() and friends to
> return them?
>
> (I know nothing checks them today, but they might be useful in the future)
>
> >         }
> >
> >         *musbp = musb_init_controller(plat, (struct device *)bdata, 
> > ctl_regs);
> >         if (!*musbp) {
> >                 printf("Failed to init the controller\n");
> > -               return -EIO;
> > +               return NULL;
> >         }
> >
> > -       return 0;
> > +       return *musbp;
> >  }

Thanks,

-- 
Julian Calaby

Email: julian.cal...@gmail.com
Profile: http://www.google.com/profiles/julian.calaby/
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