Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

5 files changed, 41 insertions, 10 deletions

diff --git a/include/asm-powerpc/eeh.h b/include/asm-powerpc/eeh.h
index 4395b7bc1ed4..b263fb2fa6e4 100644
--- a/include/asm-powerpc/eeh.h
+++ b/include/asm-powerpc/eeh.h
@@ -34,9 +34,11 @@ struct device_node;
 extern int eeh_subsystem_enabled;
 
 /* Values for eeh_mode bits in device_node */
-#define EEH_MODE_SUPPORTED      (1<<0)
-#define EEH_MODE_NOCHECK        (1<<1)
-#define EEH_MODE_ISOLATED       (1<<2)
+#define EEH_MODE_SUPPORTED     (1<<0)
+#define EEH_MODE_NOCHECK       (1<<1)
+#define EEH_MODE_ISOLATED      (1<<2)
+#define EEH_MODE_RECOVERING    (1<<3)
+#define EEH_MODE_IRQ_DISABLED  (1<<4)
 
 /* Max number of EEH freezes allowed before we consider the device
  * to be permanently disabled. */
diff --git a/include/asm-powerpc/eeh_event.h b/include/asm-powerpc/eeh_event.h
index 5e11a00b6fa0..93d55a2bebfd 100644
--- a/include/asm-powerpc/eeh_event.h
+++ b/include/asm-powerpc/eeh_event.h
@@ -30,7 +30,7 @@ struct eeh_event {
         struct list_head     list;
         struct device_node      *dn;   /* struct device node */
         struct pci_dev       *dev;  /* affected device */
-        int                  state;
+        enum pci_channel_state state; /* PCI bus state for the affected device */
         int time_unavail;    /* milliseconds until device might be available */
 };
 
@@ -47,8 +47,11 @@ struct eeh_event {
  */
 int eeh_send_failure_event (struct device_node *dn,
                             struct pci_dev *dev,
-                            int reset_state,
+                            enum pci_channel_state state,
                             int time_unavail);
 
+/* Main recovery function */
+void handle_eeh_events (struct eeh_event *);
+
 #endif /* __KERNEL__ */
 #endif /* ASM_PPC64_EEH_EVENT_H */
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index 1a08860e789e..b0d816fe2e27 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -61,16 +61,17 @@ struct pci_controller;
 struct iommu_table;
 
 struct pci_dn {
-        int     busno;                  /* for pci devices */
-        int     bussubno;               /* for pci devices */
-        int     devfn;                  /* for pci devices */
+        int     busno;                  /* pci bus number */
+        int     bussubno;               /* pci subordinate bus number */
+        int     devfn;                  /* pci device and function number */
+        int     class_code;             /* pci device class */
 
 #ifdef CONFIG_PPC_PSERIES
         int     eeh_mode;               /* See eeh.h for possible EEH_MODEs */
         int     eeh_config_addr;
+        int     eeh_pe_config_addr; /* new-style partition endpoint address */
         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 */
 #endif
         int     pci_ext_config_space;   /* for pci devices */
         struct  pci_controller *phb;    /* for pci devices */
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index bdef312900a1..f80482c7231f 100644
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -52,6 +52,21 @@ extern unsigned long pci_probe_only;
 
 /* ---- EEH internal-use-only related routines ---- */
 #ifdef CONFIG_EEH
+
+void pci_addr_cache_insert_device(struct pci_dev *dev);
+void pci_addr_cache_remove_device(struct pci_dev *dev);
+void pci_addr_cache_build(void);
+struct pci_dev *pci_get_device_by_addr(unsigned long addr);
+
+/**
+ * eeh_slot_error_detail -- record and EEH error condition to the log
+ * @severity: 1 if temporary, 2 if permanent failure.
+ *
+ * Obtains the the EEH error details from the RTAS subsystem,
+ * and then logs these details with the RTAS error log system.
+ */
+void eeh_slot_error_detail (struct pci_dn *pdn, int severity);
+
 /**
  * rtas_set_slot_reset -- unfreeze a frozen slot
  *
@@ -59,8 +74,10 @@ extern unsigned long pci_probe_only;
  * does this by asserting the PCI #RST line for 1/8th of
  * a second; this routine will sleep while the adapter is
  * being reset.
+ *
+ * Returns a non-zero value if the reset failed.
  */
-void rtas_set_slot_reset (struct pci_dn *);
+int rtas_set_slot_reset (struct pci_dn *);
 
 /** 
  * eeh_restore_bars - Restore device configuration info.
@@ -84,6 +101,7 @@ void eeh_restore_bars(struct pci_dn *);
 void rtas_configure_bridge(struct pci_dn *);
 
 int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
+int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
 
 /**
  * mark and clear slots: find "partition endpoint" PE and set or 
@@ -92,6 +110,9 @@ int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
 void eeh_mark_slot (struct device_node *dn, int mode_flag);
 void eeh_clear_slot (struct device_node *dn, int mode_flag);
 
+/* Find the associated "Partiationable Endpoint" PE */
+struct device_node * find_device_pe(struct device_node *dn);
+
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/serial.h b/include/asm-powerpc/serial.h
index 6dc9546d6908..3e8589b43cb2 100644
--- a/include/asm-powerpc/serial.h
+++ b/include/asm-powerpc/serial.h
@@ -15,6 +15,10 @@
 /* Default baud base if not found in device-tree */
 #define BASE_BAUD ( 1843200 / 16 )
 
+#ifdef CONFIG_PPC_UDBG_16550
 extern void find_legacy_serial_ports(void);
+#else
+#define find_legacy_serial_ports()      do { } while (0)
+#endif
 
 #endif /* _PPC64_SERIAL_H */