linux-kernel - [PATCH] PCI: Cancel compilation restrictions on function pcie_clear_device

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Date: Tue, 11 Jun 2024 23:15:10 +0800
From: Songyang Li <leesongyang@...look.com>
To: bhelgaas@...gle.com
Cc: linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	leesongyang@...look.com
Subject: [PATCH]  PCI: Cancel compilation restrictions on function pcie_clear_device_status

    Some PCIe devices do not have AER capabilities, but they have device
    status registers.

    Signed-off-by: Songyang Li <leesongyang@...look.com>
---
 drivers/pci/pci.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 drivers/pci/pci.c

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
old mode 100644
new mode 100755
index 35fb1f17a589..e6de55be4c45
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2263,7 +2263,12 @@ int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state)
 }
 EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);
 
-#ifdef CONFIG_PCIEAER
+/**
+ * pcie_clear_device_status - Clear device status.
+ * @dev: the PCI device.
+ *
+ * Clear the device status for the PCI device.
+ */
 void pcie_clear_device_status(struct pci_dev *dev)
 {
 	u16 sta;
@@ -2271,7 +2276,6 @@ void pcie_clear_device_status(struct pci_dev *dev)
 	pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &sta);
 	pcie_capability_write_word(dev, PCI_EXP_DEVSTA, sta);
 }
-#endif
 
 /**
  * pcie_clear_root_pme_status - Clear root port PME interrupt status.
-- 
2.34.1