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SubjectRe: [PATCH 0/3] gpiolib: generalize GPIO line names property
On Tue, Sep 15, 2020 at 3:16 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> On Tue, Sep 15, 2020 at 04:12:28PM +0300, Andy Shevchenko wrote:
> > On Tue, Sep 15, 2020 at 02:01:56PM +0200, Anders Roxell wrote:
> > > On Tue, 8 Sep 2020 at 18:40, Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> > > >
> > > > From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> > > >
> > > > I initially sent this as part of the gpio-mockup overhaul but since
> > > > these patches are indepentent and the work on gpio-mockup may become
> > > > more complicated - I'm sending these separately.
> > > >
> > > > The only change is adding additional property helpers to count strings
> > > > in array.
> > > >
> > > > Bartosz Golaszewski (3):
> > > > device: property: add helpers to count items in string arrays
> > > > gpiolib: generalize devprop_gpiochip_set_names() for device properties
> > > > gpiolib: unexport devprop_gpiochip_set_names()
> >
> > Ha-ha, OF unittest is of_node centric. definitely there is no backed device.
> >
> > Bart, it seems we are stuck with fwnode interface.
>
> Hmm... There is a platform device. So, it means that it fails along these
> lines:
> return IS_ENABLED(CONFIG_OF) && dev->of_node ? &dev->of_node->fwnode : dev->fwnode;
> so, who should set fwnode for of_node?
>

It's strange because the device for this unittest is registered
similarly to how we do it in gpio-mockup where this function works.
I've not investigated the internals but somewhere someone sets the
fwnode for these platform devices.

Bartosz

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