[PATCH] powerpc/pseries: clear PCI failure counter if no new failures

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / pseries / eeh_driver.c

diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 1fba695e32e82d113cbfcab42e18cfc69ae0da62..2a9eb26307306fa2b447f18cdde1ea2399de7d4e 100644 (file)
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -23,9 +23,8 @@
  *
  */
 #include <linux/delay.h>
-#include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <linux/notifier.h>
+#include <linux/irq.h>
 #include <linux/pci.h>
 #include <asm/eeh.h>
 #include <asm/eeh_event.h>
@@ -250,7 +249,7 @@ static int eeh_reset_device (struct pci_dn *pe_dn, struct pci_bus *bus)
  */
 #define MAX_WAIT_FOR_RECOVERY 15
 
-void handle_eeh_events (struct eeh_event *event)
+struct pci_dn * handle_eeh_events (struct eeh_event *event)
 {
        struct device_node *frozen_dn;
        struct pci_dn *frozen_pdn;
@@ -265,7 +264,7 @@ void handle_eeh_events (struct eeh_event *event)
        if (!frozen_dn) {
                printk(KERN_ERR "EEH: Error: Cannot find partition endpoint for %s\n",
                        pci_name(event->dev));
-               return;
+               return NULL;
        }
 
        /* There are two different styles for coming up with the PE.
@@ -280,7 +279,7 @@ void handle_eeh_events (struct eeh_event *event)
        if (!frozen_bus) {
                printk(KERN_ERR "EEH: Cannot find PCI bus for %s\n",
                        frozen_dn->full_name);
-               return;
+               return NULL;
        }
 
 #if 0
@@ -355,7 +354,7 @@ void handle_eeh_events (struct eeh_event *event)
        /* Tell all device drivers that they can resume operations */
        pci_walk_bus(frozen_bus, eeh_report_resume, NULL);
 
-       return;
+       return frozen_pdn;
        
 excess_failures:
        /*
@@ -384,6 +383,8 @@ perm_error:
 
        /* Shut down the device drivers for good. */
        pcibios_remove_pci_devices(frozen_bus);
+
+       return NULL;
 }
 
 /* ---------- end of file ---------- */