On Monday 11 June 2007 15:10, Christian Stalp wrote:
> Hello again,
> I have another problem with my driver. This time it is the
> request_irq-call.
>
> I got this code, where there is a linked list:
> LIST_HEAD(me1400_info_list);
>
> then later this list is used to fill my structs inside the open-function:
>
> struct list_head *ptr;
> me1400_info_type *info = NULL;
>
> for(ptr = me1400_info_list.next, i = 0; ptr != &me1400_info_list; ptr =
> ptr->next, i++) {
> info = list_entry(ptr, me1400_info_type, list);
> if(i == minor) break;
> }
>
> with that this struct is used (casted to void) to initiade the
> request_irq-call:
>
> err = request_irq(info->int_line,
> me1400_isr,
> SA_INTERRUPT | SA_SHIRQ,
> ME1400_NAME,
> (void *) info);
>
> The problem now is, that I get this warning:
> /home/chris/tmp/me1400-1.2.12/me1400.c: In function ‘me1400_open’:
> /home/chris/tmp/me1400-1.2.12/me1400.c:672: warning: passing argument 2 of
> ‘request_irq’ from incompatible pointer type
>
Most likely, the prototype of me1400_isr is wrong.
tavi
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