linux-kernel - [PATCH 01/11] PCI: Export pci_get_host_bridge

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Message-ID: <20250903124505.365913-2-s-vadapalli@ti.com>
Date: Wed, 3 Sep 2025 18:14:42 +0530
From: Siddharth Vadapalli <s-vadapalli@...com>
To: <lpieralisi@...nel.org>, <kwilczynski@...nel.org>, <mani@...nel.org>,
        <robh@...nel.org>, <bhelgaas@...gle.com>, <jingoohan1@...il.com>,
        <fan.ni@...sung.com>, <quic_wenbyao@...cinc.com>,
        <namcao@...utronix.de>, <mayank.rana@....qualcomm.com>,
        <thippeswamy.havalige@....com>, <quic_schintav@...cinc.com>,
        <shradha.t@...sung.com>, <inochiama@...il.com>, <cassel@...nel.org>,
        <kishon@...nel.org>, <18255117159@....com>, <rongqianfeng@...o.com>,
        <jirislaby@...nel.org>
CC: <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <srk@...com>,
        <s-vadapalli@...com>
Subject: [PATCH 01/11] PCI: Export pci_get_host_bridge_device() for use by pci-keystone

The pci-keystone.c driver uses the 'pci_get_host_bridge_device()' helper.
In preparation for enabling the pci-keystone.c driver to be built as a
loadable module, export 'pci_get_host_bridge_device()'.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---
 drivers/pci/host-bridge.c | 1 +
 include/linux/pci.h       | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index afa50b446567..be5ef6516cff 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -33,6 +33,7 @@ struct device *pci_get_host_bridge_device(struct pci_dev *dev)
 	kobject_get(&bridge->kobj);
 	return bridge;
 }
+EXPORT_SYMBOL_GPL(pci_get_host_bridge_device);
 
 void  pci_put_host_bridge_device(struct device *dev)
 {
diff --git a/include/linux/pci.h b/include/linux/pci.h
index d1fdf81fbe1e..b253cbc27d36 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -646,6 +646,7 @@ struct pci_host_bridge *pci_alloc_host_bridge(size_t priv);
 struct pci_host_bridge *devm_pci_alloc_host_bridge(struct device *dev,
 						   size_t priv);
 void pci_free_host_bridge(struct pci_host_bridge *bridge);
+struct device *pci_get_host_bridge_device(struct pci_dev *dev);
 struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
 
 void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
-- 
2.43.0