[PATCH] powerpc: Use PE configuration address consistently

236-eeh-config-addr.patch

The PE configuration address wasn't being cnsistently used in all locations
where a config address is called for.  This patch adds it to the places it
should have appeared in.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from c2bc904a28095aca0b04a37854b63b78622a032e commit)

1 files changed, 23 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index d9662688c8b6..4da77571288b 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -110,6 +110,7 @@ static DEFINE_PER_CPU(unsigned long, slot_resets);
 
 void eeh_slot_error_detail (struct pci_dn *pdn, int severity)
 {
+        int config_addr;
         unsigned long flags;
         int rc;
 
@@ -117,8 +118,13 @@ void eeh_slot_error_detail (struct pci_dn *pdn, int severity)
         spin_lock_irqsave(&slot_errbuf_lock, flags);
         memset(slot_errbuf, 0, eeh_error_buf_size);
 
+        /* Use PE configuration address, if present */
+        config_addr = pdn->eeh_config_addr;
+        if (pdn->eeh_pe_config_addr)
+                config_addr = pdn->eeh_pe_config_addr;
+
         rc = rtas_call(ibm_slot_error_detail,
-                       8, 1, NULL, pdn->eeh_config_addr,
+                       8, 1, NULL, config_addr,
                        BUID_HI(pdn->phb->buid),
                        BUID_LO(pdn->phb->buid), NULL, 0,
                        virt_to_phys(slot_errbuf),
@@ -138,6 +144,7 @@ void eeh_slot_error_detail (struct pci_dn *pdn, int severity)
 static int read_slot_reset_state(struct pci_dn *pdn, int rets[])
 {
         int token, outputs;
+        int config_addr;
 
         if (ibm_read_slot_reset_state2 != RTAS_UNKNOWN_SERVICE) {
                 token = ibm_read_slot_reset_state2;
@@ -148,7 +155,12 @@ static int read_slot_reset_state(struct pci_dn *pdn, int rets[])
                 outputs = 3;
         }
 
-        return rtas_call(token, 3, outputs, rets, pdn->eeh_config_addr,
+        /* Use PE configuration address, if present */
+        config_addr = pdn->eeh_config_addr;
+        if (pdn->eeh_pe_config_addr)
+                config_addr = pdn->eeh_pe_config_addr;
+
+        return rtas_call(token, 3, outputs, rets, config_addr,
                          BUID_HI(pdn->phb->buid), BUID_LO(pdn->phb->buid));
 }
 
@@ -284,7 +296,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
                 return 0;
         }
 
-        if (!pdn->eeh_config_addr) {
+        if (!pdn->eeh_config_addr && !pdn->eeh_pe_config_addr) {
                 __get_cpu_var(no_cfg_addr)++;
                 return 0;
         }
@@ -613,13 +625,20 @@ void eeh_save_bars(struct pci_dev * pdev, struct pci_dn *pdn)
 void
 rtas_configure_bridge(struct pci_dn *pdn)
 {
+        int config_addr;
         int token = rtas_token ("ibm,configure-bridge");
         int rc;
 
         if (token == RTAS_UNKNOWN_SERVICE)
                 return;
+        
+        /* Use PE configuration address, if present */
+        config_addr = pdn->eeh_config_addr;
+        if (pdn->eeh_pe_config_addr)
+                config_addr = pdn->eeh_pe_config_addr;
+
         rc = rtas_call(token,3,1, NULL,
-                       pdn->eeh_config_addr,
+                       config_addr,
                        BUID_HI(pdn->phb->buid),
                        BUID_LO(pdn->phb->buid));
         if (rc) {