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From: Michael Hanselmann <linux-kernel@hansmi.ch>
To: Aristeu Sergio Rozanski Filho <aris@valeta.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powermac: defer work in backlight key press
Date: Sat, 8 Jul 2006 16:35:30 +0200	[thread overview]
Message-ID: <20060708143530.GA26186@hansmi.ch> (raw)
In-Reply-To: <20060704013923.GG27596@cathedrallabs.org>

On Mon, Jul 03, 2006 at 10:39:23PM -0300, Aristeu Sergio Rozanski Filho wrote:
> powermac: defer work in backlight key press

> pmac_backlight_key() is called under interrupt context, can't use mutexes or
> semaphores, so defer the backlight level for later, as it's not critical

Nack, needs spinlock around this part:

> +	pmac_backlight_key_queued = direction;
> +	schedule_work(&pmac_backlight_key_work);

I'll submit another patch with more fixes soon.

Greets,
Michael

  parent reply	other threads:[~2006-07-08 14:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-04  1:39 [PATCH] powermac: defer work in backlight key press Aristeu Sergio Rozanski Filho
2006-07-04  8:06 ` Johannes Berg
2006-07-04 11:03   ` Aristeu Sergio Rozanski Filho
2006-07-04 11:16     ` Johannes Berg
2006-07-08 14:35 ` Michael Hanselmann [this message]
2006-07-08 15:58 ` [PATCH] powermac: defer work in backlight key press (and export fixes) Michael Hanselmann

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