Messages in this thread | | | From | Andy Shevchenko <> | Date | Thu, 8 Apr 2021 12:47:13 +0300 | Subject | Re: [next] [arm64] [gpio] BUG: key has not been registered! DEBUG_LOCKS_WARN_ON: |
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On Thu, Apr 8, 2021 at 11:33 AM Naresh Kamboju <naresh.kamboju@linaro.org> wrote: > On Thu, 8 Apr 2021 at 04:21, Andy Shevchenko <andy.shevchenko@gmail.com> wrote: > > On Thu, Apr 8, 2021 at 12:38 AM Naresh Kamboju > > <naresh.kamboju@linaro.org> wrote: > > > > > > While running kselftest recently added gpio gpio-sim.sh test case the following > > > warning was triggered on Linux next tag 20210330 tag running on arm64 juno > > > and hikey devices. > > > > > > GOOD: next-20210326 > > > BAD: next-20210330 > > > > > > This is still happening today on Linux next tag 20210407. > > > > Can you add the following > > > > sysfs_attr_init(attrs[i]); > > > > to the end of the loop in gpio_sim_setup_sysfs()? > > Do you mean like this, > > diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c > index ea17289a869c..5fe67ccf45f7 100644 > --- a/drivers/gpio/gpio-sim.c > +++ b/drivers/gpio/gpio-sim.c > @@ -296,6 +296,7 @@ static int gpio_sim_setup_sysfs(struct gpio_sim_chip *chip) > dev_attr->store = gpio_sim_sysfs_line_store; > > attrs[i] = &dev_attr->attr; > + sysfs_attr_init(attrs[i]); > } > > chip->attr_group.name = "line-ctrl";
Precisely.
> > If it fixes an issue I'll send a formal patch. > > I will build and test this and report here.
Thanks!
-- With Best Regards, Andy Shevchenko
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