From: "Juha Yrjölä" <juha.yrjola@nokia.com>
To: ext Dirk Behme <dirk.behme@googlemail.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: [PATCH] Convert drivers to new irq trigger modes
Date: Mon, 13 Feb 2006 11:17:36 +0200 [thread overview]
Message-ID: <1139822256.5208.20.camel@two.research.nokia.com> (raw)
In-Reply-To: <43EF5790.3020509@gmail.com>
On Sun, 2006-02-12 at 16:43 +0100, ext Dirk Behme wrote:
> > SA_SAMPLE_RANDOM doesn't have anything to do with triggering. It's used to
> > indicate whether an IRQ source can be used to feed the kernel entropy pools.
> > If the IRQ in question cannot be considered to happen at random intervals,
> > the flag must not be set.
>
> Okay. What's about this?
>
> Add ORing the SA_TRIGGER_FALLING and don't use
> SA_SAMPLE_RANDOM as default value in ts_inn1510.c.
Exactly the other way around. =) The touchscreen IRQ practically occurs
randomly, so there the flag should be set. For the power chips, the IRQ
arrival can sort of be predicted, so the default value should be zero.
Cheers,
Juha
prev parent reply other threads:[~2006-02-13 9:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-07 17:32 [PATCH] Convert drivers to new irq trigger modes Dirk Behme
2006-02-07 23:16 ` Tony Lindgren
2006-02-08 5:14 ` Juha Yrjölä
2006-02-08 19:10 ` Dirk Behme
2006-02-09 6:25 ` Juha Yrjölä
2006-02-12 15:43 ` Dirk Behme
2006-02-13 9:17 ` Juha Yrjölä [this message]
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