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PCI: Add pci_clear_master() stub for non-CONFIG_PCI

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[ 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>
This commit is contained in:
Sui Jingfeng 2023-05-31 18:27:44 +08:00 committed by Greg Kroah-Hartman
parent d1bfe6ca73
commit c02b496d92
1 changed files with 1 additions and 0 deletions
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include/linux/pci.h
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@ -1787,6 +1787,7 @@ 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 pcim_enable_device(struct pci_dev *pdev) { return -EIO; }