[PATCH 2/2] lib: utils: support both of gpio-poweroff, gpio-reset

Anup Patel anup at brainfault.org
Fri Jul 30 03:46:02 PDT 2021


On Fri, Jul 23, 2021 at 12:49 AM Atish Patra <Atish.Patra at wdc.com> wrote:
>
> On Thu, 2021-07-22 at 12:53 +0200, Heinrich Schuchardt wrote:
> > The generic GPIO reset driver has two entries in the match table:
> > "gpio-poweroff", "gpio-reset". Only the first entry is considered by
> > fdt_reset_init().
> >
> > Define "gpio-poweroff" and "gpio-reset" as compatibility strings of
> > two
> > separate reset drivers. They still can share code.
> >
> > Fixes: e3d6919d10d7 ("lib: utils/reset: Add generic GPIO reset
> > driver")
> > Signed-off-by: Heinrich Schuchardt
> > <heinrich.schuchardt at canonical.com>
> > ---
> >  lib/utils/reset/fdt_reset.c      |  3 ++-
> >  lib/utils/reset/fdt_reset_gpio.c | 11 ++++++++++-
> >  2 files changed, 12 insertions(+), 2 deletions(-)
> >
> > diff --git a/lib/utils/reset/fdt_reset.c
> > b/lib/utils/reset/fdt_reset.c
> > index 87f925c..0d84dc2 100644
> > --- a/lib/utils/reset/fdt_reset.c
> > +++ b/lib/utils/reset/fdt_reset.c
> > @@ -12,12 +12,14 @@
> >  #include <sbi_utils/fdt/fdt_helper.h>
> >  #include <sbi_utils/reset/fdt_reset.h>
> >
> > +extern struct fdt_reset fdt_poweroff_gpio;
> >  extern struct fdt_reset fdt_reset_gpio;
> >  extern struct fdt_reset fdt_reset_sifive_test;
> >  extern struct fdt_reset fdt_reset_htif;
> >  extern struct fdt_reset fdt_reset_thead;
> >
> >  static struct fdt_reset *reset_drivers[] = {
> > +       &fdt_poweroff_gpio,
> >         &fdt_reset_gpio,
> >         &fdt_reset_sifive_test,
> >         &fdt_reset_htif,
> > @@ -45,7 +47,6 @@ int fdt_reset_init(void)
> >                         if (rc)
> >                                 return rc;
> >                 }
> > -               break;
> >         }
> >
> >         return 0;
> > diff --git a/lib/utils/reset/fdt_reset_gpio.c
> > b/lib/utils/reset/fdt_reset_gpio.c
> > index 7e0eb74..77e308a 100644
> > --- a/lib/utils/reset/fdt_reset_gpio.c
> > +++ b/lib/utils/reset/fdt_reset_gpio.c
> > @@ -129,8 +129,17 @@ static int gpio_reset_init(void *fdt, int
> > nodeoff,
> >         return 0;
> >  }
> >
> > -static const struct fdt_match gpio_reset_match[] = {
> > +static const struct fdt_match gpio_poweroff_match[] = {
> >         { .compatible = "gpio-poweroff", .data = (void *)FALSE },
> > +       { },
> > +};
> > +
> > +struct fdt_reset fdt_poweroff_gpio = {
> > +       .match_table = gpio_poweroff_match,
> > +       .init = gpio_reset_init,
> > +};
> > +
> > +static const struct fdt_match gpio_reset_match[] = {
> >         { .compatible = "gpio-restart", .data = (void *)TRUE },
> >         { },
> >  };
> > --
> > 2.30.2
> >
> Reviewed-by: Atish Patra <atish.patra at wdc.com>

Forgot to reply here...

Applied this patch to the riscv/opensbi repo.

Thanks,
Anup

>
> --
> Regards,
> Atish
> --
> opensbi mailing list
> opensbi at lists.infradead.org
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