Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b5438582090406e2ccb4169d9b2df7c9939ae42b
Commit: b5438582090406e2ccb4169d9b2df7c9939ae42b
Parent: de4b21474053513d9ad41994c95dade3e6b3362f
Author: Ralf Baechle <[EMAIL PROTECTED]>
AuthorDate: Tue Aug 7 17:18:28 2007 +0100
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Mon Aug 27 02:16:55 2007 +0100
[MIPS] SMTC: Fix crash on bootup with idebus= command line argument.
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
include/asm-mips/mach-generic/ide.h | 76 +++++++++++-----------------------
1 files changed, 25 insertions(+), 51 deletions(-)
diff --git a/include/asm-mips/mach-generic/ide.h
b/include/asm-mips/mach-generic/ide.h
index 6eba2e5..2b92857 100644
--- a/include/asm-mips/mach-generic/ide.h
+++ b/include/asm-mips/mach-generic/ide.h
@@ -29,68 +29,42 @@
#define IDE_ARCH_OBSOLETE_DEFAULTS
-static __inline__ int ide_probe_legacy(void)
-{
-#ifdef CONFIG_PCI
- struct pci_dev *dev;
- if ((dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL)) != NULL ||
- (dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL)) != NULL) {
- pci_dev_put(dev);
-
- return 1;
- }
- return 0;
-#elif defined(CONFIG_EISA) || defined(CONFIG_ISA)
- return 1;
-#else
- return 0;
-#endif
-}
-
static __inline__ int ide_default_irq(unsigned long base)
{
- if (ide_probe_legacy())
- switch (base) {
- case 0x1f0:
- return 14;
- case 0x170:
- return 15;
- case 0x1e8:
- return 11;
- case 0x168:
- return 10;
- case 0x1e0:
- return 8;
- case 0x160:
- return 12;
+ switch (base) {
+ case 0x1f0: return 14;
+ case 0x170: return 15;
+ case 0x1e8: return 11;
+ case 0x168: return 10;
+ case 0x1e0: return 8;
+ case 0x160: return 12;
default:
return 0;
- }
- else
- return 0;
+ }
}
static __inline__ unsigned long ide_default_io_base(int index)
{
- if (ide_probe_legacy())
+ /*
+ * 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 (no_pci_devices()) {
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;
- default:
- return 0;
+ case 2: return 0x1e8;
+ case 3: return 0x168;
+ case 4: return 0x1e0;
+ case 5: return 0x160;
}
- else
+ }
+ switch (index) {
+ case 0: return 0x1f0;
+ case 1: return 0x170;
+ default:
return 0;
+ }
}
#define IDE_ARCH_OBSOLETE_INIT
-
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