Re: RE: [PATCH] pinctrl: renesas: rzt2h: fix invalid wait context

[Sebastian Andrzej Siewior]

On 2026-02-04 19:53:36 [+0000], Cosmin-Gabriel Tanislav wrote:
> > From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> > Sent: Wednesday, February 4, 2026 9:14 PM
> > 
> > On 2026-02-04 20:04:48 [+0200], Cosmin Tanislav wrote:
> > > The following invalid wait context BUG is observed when running with
> > > CONFIG_PROVE_LOCKING enabled.
> > >
> > > This seems to stem from the fact that __setup_irq() takes a
> > > raw_spinlock_t, while we take a spinlock_t inside gpiod_get_direction().
> > 
> > From the backtrace yes. It is more that the irqchip used interrupt chip
> > needs to be able to mask interrupts in hardirq context which it needs a
> > raw_spinlock_t.
> > 
> 
> Would you like me to reword the commit message? I only analyzed why it
> happens, I didn't investigate why it needs to happen. :D

It did explain. It would make sense to include the reasoning and not
symptoms.

Sebastian