linux-kernel - [PATCH 1/2] PCI: make pci_dev_is_disconnected() helper public for other drivers

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Message-Id: <20231213034637.2603013-2-haifeng.zhao@linux.intel.com>
Date:   Tue, 12 Dec 2023 22:46:36 -0500
From:   Ethan Zhao <haifeng.zhao@...ux.intel.com>
To:     bhelgaas@...gle.com, baolu.lu@...ux.intel.com, dwmw2@...radead.org,
        will@...nel.org, robin.murphy@....com
Cc:     linux-pci@...r.kernel.org, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, haifeng.zhao@...ux.intel.com,
        Haorong Ye <yehaorong@...edance.com>
Subject: [PATCH 1/2] PCI: make pci_dev_is_disconnected() helper public for other drivers

move pci_dev_is_disconnected() from driver/pci/pci.h to public
include/linux/pci.h for other driver's reference.
no function change.

Tested-by: Haorong Ye <yehaorong@...edance.com>
Signed-off-by: Ethan Zhao <haifeng.zhao@...ux.intel.com>
---
 drivers/pci/pci.h   | 5 -----
 include/linux/pci.h | 5 +++++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 5ecbcf041179..75fa2084492f 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -366,11 +366,6 @@ static inline int pci_dev_set_disconnected(struct pci_dev *dev, void *unused)
 	return 0;
 }
 
-static inline bool pci_dev_is_disconnected(const struct pci_dev *dev)
-{
-	return dev->error_state == pci_channel_io_perm_failure;
-}
-
 /* pci_dev priv_flags */
 #define PCI_DEV_ADDED 0
 #define PCI_DPC_RECOVERED 1
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 60ca768bc867..869f2ec97a84 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2503,6 +2503,11 @@ static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
 	return NULL;
 }
 
+static inline bool pci_dev_is_disconnected(const struct pci_dev *dev)
+{
+	return dev->error_state == pci_channel_io_perm_failure;
+}
+
 void pci_request_acs(void);
 bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags);
 bool pci_acs_path_enabled(struct pci_dev *start,
-- 
2.31.1