linux-kernel - [PATCH 3/8] powerpc/pseries/eeh: Export eeh_unfreeze_pe() and eeh

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Message-ID: <946966095.1309769.1750220559201.JavaMail.zimbra@raptorengineeringinc.com>
Date: Tue, 17 Jun 2025 23:22:39 -0500 (CDT)
From: Timothy Pearson <tpearson@...torengineering.com>
To: linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Cc: linux-kernel <linux-kernel@...r.kernel.org>, 
	linux-pci <linux-pci@...r.kernel.org>, 
	Timothy Pearson <tpearson@...torengineering.com>, 
	Madhavan Srinivasan <maddy@...ux.ibm.com>, 
	Michael Ellerman <mpe@...erman.id.au>, 
	christophe leroy <christophe.leroy@...roup.eu>, 
	Naveen N Rao <naveen@...nel.org>, 
	Bjorn Helgaas <bhelgaas@...gle.com>, 
	Shawn Anastasio <sanastasio@...torengineering.com>
Subject: [PATCH 3/8] powerpc/pseries/eeh: Export eeh_unfreeze_pe() and
 eeh_ops

The PowerNV hotplug driver needs to be able to detect and clear any
frozen PE on the PHB after suprise removal of a downstream device.

Export the eeh_unfreeze_pe() and eeh_ops symbols to allow implementation
of this functionality in the php_nv module.

Signed-off-by: Timothy Pearson <tpearson@...torengineering.com>
---
 arch/powerpc/kernel/eeh.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 83fe99861eb1..543d8323c1fb 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -107,6 +107,7 @@ bool eeh_debugfs_no_recover;
 
 /* Platform dependent EEH operations */
 struct eeh_ops *eeh_ops = NULL;
+EXPORT_SYMBOL(eeh_ops);
 
 /* Lock to avoid races due to multiple reports of an error */
 DEFINE_RAW_SPINLOCK(confirm_error_lock);
@@ -1139,6 +1140,7 @@ int eeh_unfreeze_pe(struct eeh_pe *pe)
 
 	return ret;
 }
+EXPORT_SYMBOL(eeh_unfreeze_pe);
 
 
 static struct pci_device_id eeh_reset_ids[] = {
-- 
2.39.5