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path: root/drivers/pci/access.c
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-rw-r--r--drivers/pci/access.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 8b7382705bf2..c70e3113df7a 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -890,3 +890,41 @@ int pcie_capability_clear_and_set_dword(struct pci_dev *dev, int pos,
return ret;
}
EXPORT_SYMBOL(pcie_capability_clear_and_set_dword);
+
+int pci_read_config_byte(const struct pci_dev *dev, int where, u8 *val)
+{
+ return pci_bus_read_config_byte(dev->bus, dev->devfn, where, val);
+}
+EXPORT_SYMBOL(pci_read_config_byte);
+
+int pci_read_config_word(const struct pci_dev *dev, int where, u16 *val)
+{
+ return pci_bus_read_config_word(dev->bus, dev->devfn, where, val);
+}
+EXPORT_SYMBOL(pci_read_config_word);
+
+int pci_read_config_dword(const struct pci_dev *dev, int where,
+ u32 *val)
+{
+ return pci_bus_read_config_dword(dev->bus, dev->devfn, where, val);
+}
+EXPORT_SYMBOL(pci_read_config_dword);
+
+int pci_write_config_byte(const struct pci_dev *dev, int where, u8 val)
+{
+ return pci_bus_write_config_byte(dev->bus, dev->devfn, where, val);
+}
+EXPORT_SYMBOL(pci_write_config_byte);
+
+int pci_write_config_word(const struct pci_dev *dev, int where, u16 val)
+{
+ return pci_bus_write_config_word(dev->bus, dev->devfn, where, val);
+}
+EXPORT_SYMBOL(pci_write_config_word);
+
+int pci_write_config_dword(const struct pci_dev *dev, int where,
+ u32 val)
+{
+ return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val);
+}
+EXPORT_SYMBOL(pci_write_config_dword);