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authorGavin Shan <shangw@linux.vnet.ibm.com>2013-09-06 01:00:00 (GMT)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-10-11 05:53:56 (GMT)
commit20bb842b9b0e26a5768b62ee639e64a2ecaada8c (patch)
treef681d34f66035b9199f0c2eeb93853b4478815a8
parent81fafea67a2ea418673df2df2b22a81f0c5a455a (diff)
downloadlinux-20bb842b9b0e26a5768b62ee639e64a2ecaada8c.tar.xz
powerpc/powernv: Enable EEH for PHB3
The EEH isn't enabled for PHB3 and the patch intends to enable it. Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/platforms/powernv/eeh-ioda.c26
-rw-r--r--arch/powerpc/platforms/powernv/eeh-powernv.c5
2 files changed, 12 insertions, 19 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index cf42e74..799ccaa 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -106,27 +106,23 @@ static int ioda_eeh_post_init(struct pci_controller *hose)
ioda_eeh_nb_init = 1;
}
- /* FIXME: Enable it for PHB3 later */
- if (phb->type == PNV_PHB_IODA1) {
+ /* We needn't HUB diag-data on PHB3 */
+ if (phb->type == PNV_PHB_IODA1 && !hub_diag) {
+ hub_diag = (char *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
if (!hub_diag) {
- hub_diag = (char *)__get_free_page(GFP_KERNEL |
- __GFP_ZERO);
- if (!hub_diag) {
- pr_err("%s: Out of memory !\n",
- __func__);
- return -ENOMEM;
- }
+ pr_err("%s: Out of memory !\n", __func__);
+ return -ENOMEM;
}
+ }
#ifdef CONFIG_DEBUG_FS
- if (phb->dbgfs)
- debugfs_create_file("err_injct", 0600,
- phb->dbgfs, hose,
- &ioda_eeh_dbgfs_ops);
+ if (phb->dbgfs)
+ debugfs_create_file("err_injct", 0600,
+ phb->dbgfs, hose,
+ &ioda_eeh_dbgfs_ops);
#endif
- phb->eeh_state |= PNV_EEH_STATE_ENABLED;
- }
+ phb->eeh_state |= PNV_EEH_STATE_ENABLED;
return 0;
}
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 79663d2..73b9814 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -144,11 +144,8 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag)
/*
* Enable EEH explicitly so that we will do EEH check
* while accessing I/O stuff
- *
- * FIXME: Enable that for PHB3 later
*/
- if (phb->type == PNV_PHB_IODA1)
- eeh_subsystem_enabled = 1;
+ eeh_subsystem_enabled = 1;
/* Save memory bars */
eeh_save_bars(edev);