From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
torvalds@osdl.org
Subject: Re: Fix IDE initialization when we don't probe for interrupts.
Date: 10 Jul 2003 00:28:00 +0100 [thread overview]
Message-ID: <1057793279.7137.0.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <3F0C9251.2010107@pobox.com>
On Mer, 2003-07-09 at 23:08, Jeff Garzik wrote:
> > + * Disable device irq if we don't need to
> > + * probe for it. Otherwise we'll get spurious
> > + * interrupts during the identify-phase that
> > + * the irq handler isn't expecting.
> > + */
> > + hwif->OUTB(drive->ctl|2, IDE_CONTROL_REG);
>
>
> Yeah, my driver does probing with interrupts disabled, too.
> I'm curious where interrupts are re-enabled, though?
In the command write. BTW note that there are a few devices
out there that dont honour the nIEN stuff.
IDE is such fun
next prev parent reply other threads:[~2003-07-09 23:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200307092110.h69LAlgG027527@hera.kernel.org>
2003-07-09 22:08 ` Fix IDE initialization when we don't probe for interrupts Jeff Garzik
2003-07-09 22:25 ` Linus Torvalds
2003-07-09 22:51 ` Bartlomiej Zolnierkiewicz
2003-07-09 22:52 ` Jeff Garzik
2003-07-17 15:36 ` Geert Uytterhoeven
2003-07-09 23:28 ` Alan Cox [this message]
2003-07-17 15:32 ` Geert Uytterhoeven
2003-07-17 15:58 John Bradford
2003-07-17 15:52 ` Geert Uytterhoeven
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