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From: Marc Zyngier <maz@kernel.org>
To: Fabio Estevam <festevam@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@intel.com>,
	Bjorn Helgaas <helgaas@kernel.org>, Marek Vasut <marex@denx.de>,
	Ksenija Stanojevic <ksenija.stanojevic@gmail.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	linux-input@vger.kernel.org,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>
Subject: Re: mxs_lradc_ts: Warning due to "0 is an invalid IRQ number"
Date: Tue, 21 Jun 2022 17:39:02 +0100	[thread overview]
Message-ID: <128b8f7dffe45dc241ad571e8a273a2e@kernel.org> (raw)
In-Reply-To: <CAOMZO5B6606rwWoG-ydEz2UQpnj9QhUK2b5dCHRtp9u=Pe4new@mail.gmail.com>

Hi Fabio,

On 2022-06-21 17:23, Fabio Estevam wrote:
> Hi Marc,
> 
> On Tue, Jun 21, 2022 at 12:41 PM Marc Zyngier <maz@kernel.org> wrote:
> 
>> Something like the hack below could potentially make things less
>> broken, but I'm not holding my breath. If nobody cares, let's remove
>> the code altogether.
> 
> With your patch applied, the warning is gone, thanks.
> 
> The touchscreen is registered:
> 
> [    8.207461] input: mxs-lradc-ts as
> /devices/soc0/80000000.apb/80040000.apbx/80050000.lradc/mxs-lradc-ts/input/input0
> 
> but when I run  "cat /dev/input/event0" and touch the screen, no irq
> event is generated.
> 
> Looking at cat /proc/interrupts shows that no mxs-lradc-touchscreen
> irq happened:
> 
> 216:          0         -  10 Edge      mxs-lradc-touchscreen

I'm not sure I can help you further on that. '10' seems to be
the correct interrupt for the interrupt number (irq index 0 in
the lradc device).

You'll have to debug it further, I'm afraid.

         M.
-- 
Jazz is not dead. It just smells funny...

  reply	other threads:[~2022-06-21 16:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-16 23:52 mxs_lradc_ts: Warning due to "0 is an invalid IRQ number" Fabio Estevam
2020-07-01 15:32 ` Fabio Estevam
2020-07-01 22:41   ` Bjorn Helgaas
2022-06-21 14:00     ` Andy Shevchenko
2022-06-21 15:41       ` Marc Zyngier
2022-06-21 16:23         ` Fabio Estevam
2022-06-21 16:39           ` Marc Zyngier [this message]
2022-06-22  0:36             ` Fabio Estevam
2025-01-27 13:15               ` Andy Shevchenko

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