Re: [PATCH 2.6.13-rc3] pcmcia: pcmcia_request_irq for !IRQ_HANDLE_PRESENT

From: Dominik Brodowski
Date: Sun Jul 24 2005 - 15:03:52 EST

On Sun, Jul 24, 2005 at 12:40:40PM +0100, Russell King wrote:
> On Sat, Jul 23, 2005 at 10:11:13PM +0200, Dominik Brodowski wrote:
> > Thanks for the excellent debugging. Your patch seems to work, however it
> > might be better to do just this:
> This can be racy if two drivers are simultaneously trying to request an
> IRQ. 'data' must be unique to different threads if they are to avoid
> interfering with each other.

As it's enough to keep PCMCIA functions apart (there can't be two drivers
registering with the same PCMCIA function at the same moment), I'll use that
void *data = &p_dev->dev.driver; /* something unique to this device */

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