Re: [Patch v6] i2c: pnx: Fix potential deadlock warning from del_timer_sync() call in isr

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Hi Piotr,

On Tue, Jul 02, 2024 at 11:13:06AM GMT, Piotr Wojtaszczyk wrote:
> On Tue, Jul 2, 2024 at 1:01 AM Andi Shyti <andi.shyti@xxxxxxxxxx> wrote:
> > > @@ -653,7 +624,10 @@ static int i2c_pnx_probe(struct platform_device *pdev)
> > >       alg_data->adapter.algo_data = alg_data;
> > >       alg_data->adapter.nr = pdev->id;
> > >
> > > -     alg_data->timeout = I2C_PNX_TIMEOUT_DEFAULT;
> > > +     alg_data->timeout = msecs_to_jiffies(I2C_PNX_TIMEOUT_DEFAULT);
> > > +     if (alg_data->timeout <= 1)
> > > +             alg_data->timeout = 2;
> >
> > I don't see the need for this check. The default timeout is
> > defined as 10.
> >
> > Thanks,
> > Andi
> 
> That's the timeout value which was in the previous timer in i2c_pnx_arm_timer(),
> without this I had time out events.

I meant the if() statement. We are sure timeout is not <= 1 at
this point.

Anyway, it doesn't matter. I applied the patch in
i2c/i2c-host-next.

Thanks,
Andi




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