Re: [RFC PATCH] pinctrl: add helper to expose pinctrl state in debugfs

[Andy Shevchenko]

On Tue, Dec 15, 2020 at 9:36 PM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Mon, Dec 14, 2020 at 11:44 PM Drew Fustini <drew@xxxxxxxxxxxxxxx> wrote:
> > On Mon, Dec 14, 2020 at 07:55:12PM +0200, Andy Shevchenko wrote:

...

> > With regards to parent directory, I did discover there is
> > debugfs_lookup(), so I can get the dentry for "pinctrl" and create new
> > subdirectory inside of it.  This is the structure now:
> >
> > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_35_pinmux/state
> > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_34_pinmux/state
> > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_33_pinmux/state
> > /sys/kernel/debug/pinctrl/pinctrl_state/ocp:P2_32_pinmux/state
> > etc..

Missed part to comment.

I was talking about

/sys/kernel/debug/pinctrl/<$PINCTRL>/mux/<$PIN> (maybe folder, maybe node)

-- 
With Best Regards,
Andy Shevchenko