int board_nr;
int chip_nr;
int irq2linux=0;
+ int ret;
pthread_t thread=NULL;
DEBUGMSG("can_rtl_isr invoked for irq %d\n",irq_num);
continue;
if(chip->chip_irq!=irq_num) continue;
+ if(chip->chipspecops->irq_accept)
+ ret=chip->chipspecops->irq_accept(chip->chip_irq,chip);
+
set_bit(MSGOBJ_IRQ_REQUEST_b,&chip->pend_flags);
set_bit(MSGOBJ_WORKER_WAKE_b,&chip->pend_flags);
if(chip->flags & CHIP_IRQ_PCI)
irq2linux=1;
+#ifdef CAN_ENABLE_VME_SUPPORT
+ if (chip->flags & CHIP_IRQ_VME)
+ tundra_rtl_ack_irq_vector(irq_num);
+#endif
if(!chip->worker_thread) continue;
thread=chip->worker_thread;
pthread_kill(thread,RTL_SIGNAL_WAKEUP);
}
}
- if(irq2linux)
- rtl_global_pend_irq(irq_num);
+ /* The following lines are commented out because of it is not
+ * possible to share level activated (PCI) IRQs between Linux
+ * and RT-Linux. */
+/* if(irq2linux) */
+/* rtl_global_pend_irq(irq_num); */
/*if(thread) rtl_reschedule_thread(thread);*/
struct msgobj_t *obj;
int ret, i;
int loop_cnt;
+ rtl_irqstate_t flags;
if(!chip) return 0;
if(chip->chip_irq>=0) {
if ((chip->flags & CHIP_IRQ_VME) == 0) can_enable_irq(chip->chip_irq);
#ifdef CAN_ENABLE_VME_SUPPORT
- else tundra_rtl_enable_pci_irq();
+ #if 0
+ else tundra_rtl_enable_pci_irq();
+ #endif
/* FIXME: Bad practice. Doesn't work with more
- * than one card. */
+ * than one card.
+ *
+ * irq_accept added to the LinCAN driver now,
+ * and above workaround should not be required.
+ * Enable rtl_hard_enable_irq() at line
+ * ca91c042.c:1045
+ */
#endif /*CAN_ENABLE_VME_SUPPORT*/
}
+ rtl_no_interrupts (flags);
RTL_MARK_SUSPENDED(pthread_self());
if(test_and_clear_bit(MSGOBJ_WORKER_WAKE_b,&chip->pend_flags)){
RTL_MARK_READY(pthread_self());
+ rtl_restore_interrupts (flags);
continue;
}
+ rtl_restore_interrupts (flags);
rtl_schedule();
}
attrib_p=&attrib;
}
- if(chip->chipspecops->irq_handler){
+ if(chip->chipspecops->irq_handler && !(chip->flags & CHIP_IRQ_CUSTOM)){
int (*my_request_irq)(unsigned int vector, unsigned int (*rtl_handler)(unsigned int irq, struct pt_regs *regs));
#ifdef CAN_ENABLE_VME_SUPPORT
if ((chip->flags & CHIP_IRQ_VME) != 0)
{
if(chip->worker_thread)
pthread_delete_np(chip->worker_thread);
- if((chip->flags & CHIP_IRQ_SETUP) && (chip->chip_irq>=0)) {
+ if((chip->flags & CHIP_IRQ_SETUP) && (chip->chip_irq>=0)
+ && !(chip->flags & CHIP_IRQ_CUSTOM)) {
int (*my_free_irq)(unsigned int vector);
#ifdef CAN_ENABLE_VME_SUPPORT
if ((chip->flags & CHIP_IRQ_VME) != 0)