On Wed, Sep 03, 2025 at 09:33:34AM +0200, Bartosz Golaszewski wrote:
> On Tue, Sep 2, 2025 at 10:46 PM Andy Shevchenko
> <andy.shevche...@gmail.com> wrote:
> > On Tue, Sep 2, 2025 at 8:42 PM Bartosz Golaszewski <b...@bgdev.pl> wrote:
> > > On Tue, Sep 2, 2025 at 4:38 PM Andy Shevchenko
> > > <andriy.shevche...@intel.com> wrote:
> > > > On Tue, Sep 02, 2025 at 01:59:25PM +0200, Bartosz Golaszewski wrote:

...

> > > > > The strict flag in struct pinmux_ops disallows the usage of the same 
> > > > > pin
> > > > > as a GPIO and for another function. Without it, a rouge user-space
> > > > > process with enough privileges (or even a buggy driver) can request a
> > > > > used pin as GPIO and drive it, potentially confusing devices or even
> > > > > crashing the system. Set it globally for all pinctrl-msm users.
> > > >
> > > > How does this keep (or allow) I²C generic recovery mechanism to work?
> 
> Anyway, what is your point? I don't think it has any impact on this.

If we have a group of pins that are marked as I²C, and we want to use recovery
via GPIOs, would it be still possible to request as GPIO when controller driver
is in the strict mode?

-- 
With Best Regards,
Andy Shevchenko



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