linux-kernel - Re: [PATCH 18/21] iio: Replace IRQF_ONESHOT with IRQF_NO

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Message-ID: <aXc5Efu-PlLNCxkk@smile.fi.intel.com>
Date: Mon, 26 Jan 2026 11:51:13 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: linux-kernel@...r.kernel.org, linux-rt-devel@...ts.linux.dev,
	Thomas Gleixner <tglx@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Puranjay Mohan <puranjay@...nel.org>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>,
	Marcelo Schmitt <marcelo.schmitt@...log.com>,
	Marcus Folkesson <marcus.folkesson@...il.com>,
	Kent Gustavsson <kent@...oris.se>,
	Gustavo Silva <gustavograzs@...il.com>,
	Nishant Malpani <nish.malpani25@...il.com>,
	linux-iio@...r.kernel.org
Subject: Re: [PATCH 18/21] iio: Replace IRQF_ONESHOT with IRQF_NO_THREAD

On Mon, Jan 26, 2026 at 09:15:10AM +0100, Sebastian Andrzej Siewior wrote:
> On 2026-01-23 16:48:54 [+0200], Andy Shevchenko wrote:
> > On Fri, Jan 23, 2026 at 12:37:04PM +0100, Sebastian Andrzej Siewior wrote:

...

> > > Cc: Lars-Peter Clausen <lars@...afoo.de>
> > > Cc: Michael Hennerich <Michael.Hennerich@...log.com>
> > > Cc: Puranjay Mohan <puranjay@...nel.org>
> > > Cc: Jonathan Cameron <jic23@...nel.org>
> > > Cc: David Lechner <dlechner@...libre.com>
> > > Cc: "Nuno Sá" <nuno.sa@...log.com>
> > > Cc: Andy Shevchenko <andy@...nel.org>
> > > Cc: Marcelo Schmitt <marcelo.schmitt@...log.com>
> > > Cc: Marcus Folkesson <marcus.folkesson@...il.com>
> > > Cc: Kent Gustavsson <kent@...oris.se>
> > > Cc: Gustavo Silva <gustavograzs@...il.com>
> > > Cc: Nishant Malpani <nish.malpani25@...il.com>
> > > Cc: linux-iio@...r.kernel.org
> > 
> > Move these...
> > 
> > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> > > ---
> > 
> > ...to be here. This will drastically reduce the unneeded noise in the commit
> > message. The email will have (if using git format-patch and git send-email)
> > them.
> 
> Yeah but if I have to send v2 then they are gone, aren't they?

I didn't follow. How? What tools do you use?

> So I have to move them for each submission. Or is there something I am not
> aware of?

Make them in the tail of commit messages locally with a delimiter, they will
always be present as long as they are in your tree.

I dunno if `b4` manages the Cc lists separately. At least I see no-one using
`b4` *and* putting the Cc noise into the commit messages, so I assume it
behaves nicely.

...

> > > +		ret = devm_request_irq(dev, st->irq,
> > > +				       iio_trigger_generic_data_rdy_poll,
> > > +				       IRQF_TRIGGER_RISING | IRQF_NO_THREAD,
> > > +				       indio_dev->name, st->dready_trig);
> > >  		if (ret < 0)
> > >  			return ret;
> > 
> > Interestingly that this driver ignores the flags from firmware... Seems to me
> > like a bug (not in your patch, obviously). Ditto for other drivers doing similar
> > things.
> 
> If the irq-chip is level or unknown mode on boot up/ default and the
> device can only operate as an edge-rising then I don't see why this
> should be a bug.

But if FW says use "level", wouldn't this setting override it?

-- 
With Best Regards,
Andy Shevchenko