From: Richard A. Lary <rl...@linux.vnet.ibm.com>
Added support for ibm,configure-pe RTAS call introduced with
PAPR 2.2.
Signed-off-by: Richard A. Lary <rl...@linux.vnet.ibm.com>
---
arch/powerpc/platforms/pseries/eeh.c | 13 12 + 1 - 0 !
1 file changed, 12 insertions(+), 1 deletion(-)
Index: b/arch/powerpc/platforms/pseries/eeh.c
===================================================================
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -95,6 +95,7 @@ static int ibm_slot_error_detail;
static int ibm_get_config_addr_info;
static int ibm_get_config_addr_info2;
static int ibm_configure_bridge;
+static int ibm_configure_pe;
int eeh_subsystem_enabled;
EXPORT_SYMBOL(eeh_subsystem_enabled);
@@ -263,6 +264,8 @@ void eeh_slot_error_detail(struct pci_dn
pci_regs_buf[0] = 0;
rtas_pci_enable(pdn, EEH_THAW_MMIO);
+ rtas_configure_bridge(pdn);
+ eeh_restore_bars(pdn);
loglen = gather_pci_data(pdn, pci_regs_buf, EEH_PCI_REGS_LOG_LEN);
rtas_slot_error_detail(pdn, severity, pci_regs_buf, loglen);
@@ -896,6 +899,7 @@ void
rtas_configure_bridge(struct pci_dn *pdn)
{
int config_addr;
+ int token;
int rc;
/* Use PE configuration address, if present */
@@ -903,7 +907,13 @@ rtas_configure_bridge(struct pci_dn *pdn
if (pdn->eeh_pe_config_addr)
config_addr = pdn->eeh_pe_config_addr;
- rc = rtas_call(ibm_configure_bridge,3,1, NULL,
+ /* Use new configure-pe function, if supported */
+ if (ibm_configure_pe != RTAS_UNKNOWN_SERVICE)
+ token = ibm_configure_pe;
+ else
+ token = ibm_configure_bridge;
+
+ rc = rtas_call(token, 3, 1, NULL,
config_addr,
BUID_HI(pdn->phb->buid),
BUID_LO(pdn->phb->buid));
@@ -1079,6 +1089,7 @@ void __init eeh_init(void)
ibm_get_config_addr_info = rtas_token("ibm,get-config-addr-info");
ibm_get_config_addr_info2 = rtas_token("ibm,get-config-addr-info2");
ibm_configure_bridge = rtas_token ("ibm,configure-bridge");
+ ibm_configure_pe = rtas_token("ibm,configure-pe");
if (ibm_set_eeh_option == RTAS_UNKNOWN_SERVICE)
return;
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