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Diffstat (limited to 'src/devices/pci_device.c')
-rw-r--r--src/devices/pci_device.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c
index 785bf33515..f87a590d0e 100644
--- a/src/devices/pci_device.c
+++ b/src/devices/pci_device.c
@@ -679,6 +679,10 @@ unsigned int pci_scan_bus(struct bus *bus, unsigned min_devfn,
/* if a child provides scan_bus(), for example a bridge, scan
* buses behind that child */
for (child = bus->children; child; child = child->sibling) {
+ // make sure that we have an ops structure
+ if (!child->ops) {
+ continue;
+ }
if (!child->ops->scan_bus) {
continue;
}
@@ -767,17 +771,17 @@ static void pci_level_irq(unsigned char intNum)
{
unsigned short intBits = inb(0x4d0) | (((unsigned) inb(0x4d1)) << 8);
- printk_spew("%s: current ints are 0x%x\n", __FUNCTION__, intBits);
+ printk_debug("%s: current ints are 0x%x\n", __FUNCTION__, intBits);
intBits |= (1 << intNum);
- printk_spew("%s: try to set ints 0x%x\n", __FUNCTION__, intBits);
+ printk_debug("%s: try to set ints 0x%x\n", __FUNCTION__, intBits);
// Write new values
outb((unsigned char) intBits, 0x4d0);
outb((unsigned char) (intBits >> 8), 0x4d1);
/* this seems like an error but is not ... */
-#if 0
+#if 1
if (inb(0x4d0) != (intBits & 0xf)) {
printk_err("%s: lower order bits are wrong: want 0x%x, got 0x%x\n",
__FUNCTION__, intBits &0xf, inb(0x4d0));