2008/12/26 Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>:> Le Fri, 26 Dec 2008 15:05:28 +0300,> "Denis Borisevich" <dennisfen@xxxxxxxxx> a écrit :>>> In my driver init function I try to register interrupt handler with>> request_irq(), but always get -EBUSY. This interrupt is shared with>> ahci driver. I use kernel version 2.6.24.7. Is there any other way to>> register the interrupt handler? Or maybe I'm doing something wrong?>> The code is in kernel/irq/manage.c:setup_irq() :>> if (!((old->flags & new->flags) & IRQF_SHARED) ||> ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK)) {> old_name = old->name;> goto mismatch;> }>> The AHCI interrupt is registered with IRQF_SHARED (at least in recent> kernels, I didn't check in 2.6.24). Make sure you also register your> handler with IRQF_SHARED in the flags. If so, then the trigger type may> not match.
When I call request_irq() with IRQF_SHARED as an argument I get -EINVAL.Any ideas?
--Denis��.n��������+%����w�j)p���{.n����z�ޖw�n'���q���b�������v��m�����Y�����
