PATCH: (Discussion) Stop IDE legacy ISA probes on PCI systems

From: Alan Cox
Date: Mon Dec 27 2004 - 10:19:08 EST


We don't generally want to poke around legacy ISA ide2..ide5 on a system
with PCI , it tends to cause long delays.

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.10/include/asm-i386/ide.h linux-2.6.10/include/asm-i386/ide.h
--- linux.vanilla-2.6.10/include/asm-i386/ide.h 2004-12-25 21:13:51.000000000 +0000
+++ linux-2.6.10/include/asm-i386/ide.h 2004-12-26 17:08:27.541915144 +0000
@@ -44,10 +44,14 @@
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
- case 2: return 0x1e8;
- case 3: return 0x168;
- case 4: return 0x1e0;
- case 5: return 0x160;
+
+ if(pci_find_device(PCI_ANY_ID, PCI_ANY_ID, NULL) == NULL) {
+ case 2: return 0x1e8;
+ case 3: return 0x168;
+ case 4: return 0x1e0;
+ case 5: return 0x160;
+ }
+
default:
return 0;
}

-
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