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fix to only reprogram the interrupt controller if neccessary

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This commit is contained in:
Markus Fröschle
2015-10-11 18:27:41 +00:00
parent 7058762c28
commit 352bf75f85
1 changed files with 7 additions and 1 deletions
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8
sys/interrupts.c
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@@ -37,7 +37,7 @@
#include "dma.h" #include "dma.h"
#include "pci.h" #include "pci.h"
// #define IRQ_DEBUG //#define IRQ_DEBUG
#if defined(IRQ_DEBUG) #if defined(IRQ_DEBUG)
#define dbg(format, arg...) do { xprintf("DEBUG %s(): " format, __FUNCTION__, ##arg); } while (0) #define dbg(format, arg...) do { xprintf("DEBUG %s(): " format, __FUNCTION__, ##arg); } while (0)
#else #else
@@ -336,6 +336,12 @@ bool irq5_handler(void *arg1, void *arg2)
pending_interrupts & FBEE_INTR_PCI_INTC || pending_interrupts & FBEE_INTR_PCI_INTC ||
pending_interrupts & FBEE_INTR_PCI_INTD) pending_interrupts & FBEE_INTR_PCI_INTD)
{ {
int handle;
if ((handle = pci_get_interrupt_cause() != -1))
{
pci_call_interrupt_chain(handle, 0L);
}
dbg("PCI interrupt IRQ5\r\n"); dbg("PCI interrupt IRQ5\r\n");
FBEE_INTR_CLEAR = FBEE_INTR_PCI_INTA | FBEE_INTR_CLEAR = FBEE_INTR_PCI_INTA |
FBEE_INTR_PCI_INTB | FBEE_INTR_PCI_INTB |