From: Anton Vorontsov <avorontsov@ru•mvista.com>
To: Grant Likely <grant.likely@secretlab•ca>
Cc: khali@linux-fr•org, linuxppc-dev@ozlabs•org, i2c@lm-sensors•org
Subject: Re: [PATCH] of/i2c: don't pass -1 to irq_dispose_mapping, otherwise kernel will oops
Date: Fri, 11 Jul 2008 22:55:46 +0400 [thread overview]
Message-ID: <20080711185546.GA17371@polina.dev.rtsoft.ru> (raw)
In-Reply-To: <20080711182323.GB15321@secretlab.ca>
On Fri, Jul 11, 2008 at 12:23:23PM -0600, Grant Likely wrote:
> On Fri, Jul 11, 2008 at 09:48:59PM +0400, Anton Vorontsov wrote:
> > Firstly kernel warns at set_irq_chip, and then dies completely:
> >
> > Trying to install chip for IRQ-1
> >
> > diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
> > index b2ccdcb..95a24de 100644
> > --- a/drivers/of/of_i2c.c
> > +++ b/drivers/of/of_i2c.c
> > @@ -93,10 +93,8 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
> > if (info.irq == NO_IRQ)
> > info.irq = -1;
>
> What is the reason that info.irq is set to -1 in the first place?
I believe this is because of this checking mess:
grep irq -r drivers/rtc/ drivers/i2c/chips/ | grep if
grep "define NO_IRQ" -r include/
--
Anton Vorontsov
email: cbouatmailru@gmail•com
irc://irc.freenode.net/bd2
next prev parent reply other threads:[~2008-07-11 18:55 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-11 17:48 [PATCH] of/i2c: don't pass -1 to irq_dispose_mapping, otherwise kernel will oops Anton Vorontsov
2008-07-11 18:14 ` Anton Vorontsov
2008-07-11 18:23 ` Grant Likely
2008-07-11 18:55 ` Anton Vorontsov [this message]
2008-07-11 19:01 ` Jochen Friedrich
2008-07-11 19:15 ` Anton Vorontsov
2008-07-12 8:22 ` [i2c] " Wolfram Sang
2008-07-12 8:00 ` Wolfram Sang
2008-07-13 3:59 ` Jon Smirl
2008-07-16 22:20 ` Grant Likely
2008-07-11 19:11 ` Jochen Friedrich
2008-07-11 19:19 ` Anton Vorontsov
2008-07-11 21:18 ` Grant Likely
2008-07-11 21:46 ` Anton Vorontsov
2008-07-11 22:08 ` Grant Likely
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