Messages in this thread | | | Date | Sun, 24 Jul 2005 22:02:27 +0200 | From | Dominik Brodowski <> | Subject | Re: [PATCH 2.6.13-rc3] pcmcia: pcmcia_request_irq for !IRQ_HANDLE_PRESENT |
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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 now. void *data = &p_dev->dev.driver; /* something unique to this device */
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