aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/powernv/pci-ioda.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/powernv/pci-ioda.c')
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 748d733187a4..d27897a9c5ec 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -126,9 +126,22 @@ static inline bool pnv_pci_is_m64(struct pnv_phb *phb, struct resource *r)
static struct pnv_ioda_pe *pnv_ioda_init_pe(struct pnv_phb *phb, int pe_no)
{
+ s64 rc;
+
phb->ioda.pe_array[pe_no].phb = phb;
phb->ioda.pe_array[pe_no].pe_number = pe_no;
+ /*
+ * Clear the PE frozen state as it might be put into frozen state
+ * in the last PCI remove path. It's not harmful to do so when the
+ * PE is already in unfrozen state.
+ */
+ rc = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no,
+ OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
+ if (rc != OPAL_SUCCESS)
+ pr_warn("%s: Error %lld unfreezing PHB#%d-PE#%d\n",
+ __func__, rc, phb->hose->global_number, pe_no);
+
return &phb->ioda.pe_array[pe_no];
}
@@ -409,7 +422,7 @@ static void __init pnv_ioda_parse_m64_window(struct pnv_phb *phb)
struct device_node *dn = hose->dn;
struct resource *res;
u32 m64_range[2], i;
- const u32 *r;
+ const __be32 *r;
u64 pci_addr;
if (phb->type != PNV_PHB_IODA1 && phb->type != PNV_PHB_IODA2) {