linux-kernel - [PATCH 1/4] PCI: Add empty stub for pci_register_io

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Message-Id: <20210527194547.1287934-2-robh@kernel.org>
Date:   Thu, 27 May 2021 14:45:44 -0500
From:   Rob Herring <robh@...nel.org>
To:     devicetree@...r.kernel.org, Frank Rowand <frowand.list@...il.com>
Cc:     linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-pci@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>
Subject: [PATCH 1/4] PCI: Add empty stub for pci_register_io_range()

Add an empty stub for pci_register_io_range() when !CONFIG_PCI. It's needed
to convert of_pci_range_to_resource() to use IS_ENABLED(CONFIG_PCI).

Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: linux-pci@...r.kernel.org
Signed-off-by: Rob Herring <robh@...nel.org>
---
 include/linux/pci.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index c20211e59a57..29da7598f8d0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1772,6 +1772,10 @@ static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
 { return -EIO; }
 static inline void pci_release_regions(struct pci_dev *dev) { }
 
+static inline int pci_register_io_range(struct fwnode_handle *fwnode,
+					phys_addr_t addr, resource_size_t size)
+{ return -EINVAL; }
+
 static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
 
 static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from)
-- 
2.27.0