linux-kernel - Re: [PATCH] input: eglx_ts, remove irq trigger flags

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 12 Mar 2015 16:37:01 +0100
From:	Markus Pargmann <mpa@...gutronix.de>
To:	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org, kernel@...gutronix.de,
	linux-input@...r.kernel.org
Subject: Re: [PATCH] input: eglx_ts, remove irq trigger flags

Hi,

On Thu, Mar 12, 2015 at 04:18:03PM +0100, Philipp Zabel wrote:
> Hi Markus,
> 
> Am Donnerstag, den 12.03.2015, 15:50 +0100 schrieb Markus Pargmann:
> > The trigger settings for a given irq are parsed from DT. Defining them
> > as flag for devm_request_threaded_irq() overwrites these settings. This
> > results in wrong trigger settings for boards which have different irq
> > triggers.
> > 
> > Signed-off-by: Markus Pargmann <mpa@...gutronix.de>
> > ---
> >  drivers/input/touchscreen/egalax_ts.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
> > index 4c56299284ef..b0e6448b743c 100644
> > --- a/drivers/input/touchscreen/egalax_ts.c
> > +++ b/drivers/input/touchscreen/egalax_ts.c
> > @@ -218,7 +218,7 @@ static int egalax_ts_probe(struct i2c_client *client,
> >  
> >  	error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
> >  					  egalax_ts_interrupt,
> > -					  IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> > +					  IRQF_ONESHOT,
> >  					  "egalax_ts", ts);
> >  	if (error < 0) {
> >  		dev_err(&client->dev, "Failed to register interrupt\n");
> 
> There are three device trees which have eeti,egalax_ts nodes with
> interrupt flags 0:
> 
> arch/arm/boot/dts/imx53-tx53-x13x.dts (twice),
> arch/arm/boot/dts/imx6dl-tx6u-811x.dts, and
> arch/arm/boot/dts/imx6q-tx6q-1110.dts.
> 
> Will these still work after this change?

Oh right, thanks, these should be fixed as well.

Best regards,

Markus

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)