PCI: Add pci_clear_master() stub for non-CONFIG_PCI

[ Upstream commit 2aa5ac633259843f656eb6ecff4cf01e8e810c5e ]

Add a pci_clear_master() stub when CONFIG_PCI is not set so drivers that
support both PCI and platform devices don't need #ifdefs or extra Kconfig
symbols for the PCI parts.

[bhelgaas: commit log]
Fixes: 6a479079c072 ("PCI: Add pci_clear_master() as opposite of pci_set_master()")
Link: https://lore.kernel.org/r/20230531102744.2354313-1-suijingfeng@loongson.cn
Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 521030233c8d30df3da64eb02d082612f259e4a6..7f93c391994715b51cd9d57fe69161ebd33c1fe1 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1630,6 +1630,7 @@ static inline struct pci_dev *pci_get_class(unsigned int class,
 #define pci_dev_put(dev)       do { } while (0)
 
 static inline void pci_set_master(struct pci_dev *dev) { }
+static inline void pci_clear_master(struct pci_dev *dev) { }
 static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
 static inline void pci_disable_device(struct pci_dev *dev) { }
 static inline int pci_assign_resource(struct pci_dev *dev, int i)