powerpc/eeh: EEH post initialization operation
The patch adds new EEH operation post_init. It's used to notify
the platform that EEH core has completed the EEH probe. By that,
PowerNV platform starts to use the services supplied by EEH
functionality.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index c865c5f..a29cf47 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -720,6 +720,17 @@
return -EINVAL;
}
+ /*
+ * Call platform post-initialization. Actually, It's good chance
+ * to inform platform that EEH is ready to supply service if the
+ * I/O cache stuff has been built up.
+ */
+ if (eeh_ops->post_init) {
+ ret = eeh_ops->post_init();
+ if (ret)
+ return ret;
+ }
+
if (eeh_subsystem_enabled)
pr_info("EEH: PCI Enhanced I/O Error Handling Enabled\n");
else