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Subject[PATCH 10/42]: ppc64: bugfix: don't silently gnore PCI errors
10-EEH-enable-bugfix.patch

Bugfix: With the curent linux-2.6.14-rc2-git6, EEH errors are
ignored because thier detection requires an unusued, uninitialized
flag to be set. This patch removes the unused flag.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>


Index: linux-2.6.14-git3/arch/ppc64/kernel/eeh.c
===================================================================
--- linux-2.6.14-git3.orig/arch/ppc64/kernel/eeh.c 2005-10-31 12:54:20.919034814 -0600
+++ linux-2.6.14-git3/arch/ppc64/kernel/eeh.c 2005-10-31 12:54:48.165215962 -0600
@@ -631,11 +631,12 @@
pdn = PCI_DN(dn);

/* Access to IO BARs might get this far and still not want checking. */
- if (!pdn->eeh_capable || !(pdn->eeh_mode & EEH_MODE_SUPPORTED) ||
+ if (!(pdn->eeh_mode & EEH_MODE_SUPPORTED) ||
pdn->eeh_mode & EEH_MODE_NOCHECK) {
__get_cpu_var(ignored_check)++;
#ifdef DEBUG
- printk ("EEH:ignored check for %s %s\n", pci_name (dev), dn->full_name);
+ printk ("EEH:ignored check (%x) for %s %s\n",
+ pdn->eeh_mode, pci_name (dev), dn->full_name);
#endif
return 0;
}
Index: linux-2.6.14-git3/include/asm-ppc64/pci-bridge.h
===================================================================
--- linux-2.6.14-git3.orig/include/asm-ppc64/pci-bridge.h 2005-10-31 12:54:20.919034814 -0600
+++ linux-2.6.14-git3/include/asm-ppc64/pci-bridge.h 2005-10-31 12:54:48.167215682 -0600
@@ -63,7 +63,6 @@
int devfn; /* for pci devices */
int eeh_mode; /* See eeh.h for possible EEH_MODEs */
int eeh_config_addr;
- int eeh_capable; /* from firmware */
int eeh_check_count; /* # times driver ignored error */
int eeh_freeze_count; /* # times this device froze up. */
int eeh_is_bridge; /* device is pci-to-pci bridge */
-
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