diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 19:57:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 19:57:25 -0800 |
| commit | 3b44f137b9a846c5452d9e6e1271b79b1dbcc942 (patch) | |
| tree | 2465db413b527b65f2000aa7aa33d0f962ca3479 /include/asm-i386/ide.h | |
| parent | b01a55a865eeac0371f1a73d36b134d23d938e1a (diff) | |
| parent | 07203f6471a11f4eda48acbe528c0ce4704ad42c (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6
Diffstat (limited to 'include/asm-i386/ide.h')
| -rw-r--r-- | include/asm-i386/ide.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-i386/ide.h b/include/asm-i386/ide.h index 79dfab87135..454440193ea 100644 --- a/include/asm-i386/ide.h +++ b/include/asm-i386/ide.h @@ -41,6 +41,12 @@ static __inline__ int ide_default_irq(unsigned long base) static __inline__ unsigned long ide_default_io_base(int index) { + /* + * If PCI is present then it is not safe to poke around + * the other legacy IDE ports. Only 0x1f0 and 0x170 are + * defined compatibility mode ports for PCI. A user can + * override this using ide= but we must default safe. + */ if (pci_find_device(PCI_ANY_ID, PCI_ANY_ID, NULL) == NULL) { switch(index) { case 2: return 0x1e8; |