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Diffstat (limited to 'include/asm-generic/pci_iomap.h')
-rw-r--r--include/asm-generic/pci_iomap.h39
1 files changed, 32 insertions, 7 deletions
diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h
index ce37349860fe..8fbb0a55545d 100644
--- a/include/asm-generic/pci_iomap.h
+++ b/include/asm-generic/pci_iomap.h
@@ -1,12 +1,8 @@
-/* Generic I/O port emulation, based on MN10300 code
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Generic I/O port emulation.
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
*/
#ifndef __ASM_GENERIC_PCI_IOMAP_H
#define __ASM_GENERIC_PCI_IOMAP_H
@@ -15,12 +11,22 @@ struct pci_dev;
#ifdef CONFIG_PCI
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+extern void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max);
+extern void __iomem *pci_iomap_range(struct pci_dev *dev, int bar,
+ unsigned long offset,
+ unsigned long maxlen);
+extern void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar,
+ unsigned long offset,
+ unsigned long maxlen);
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
/* Create a virtual mapping cookie for a port on a given PCI device.
* Do not call this directly, it exists to make it easier for architectures
* to override */
#ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP
extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port,
unsigned int nr);
+#elif !defined(CONFIG_HAS_IOPORT_MAP)
+#define __pci_ioport_map(dev, port, nr) NULL
#else
#define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr))
#endif
@@ -30,6 +36,25 @@ static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned lon
{
return NULL;
}
+
+static inline void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max)
+{
+ return NULL;
+}
+static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar,
+ unsigned long offset,
+ unsigned long maxlen)
+{
+ return NULL;
+}
+static inline void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar,
+ unsigned long offset,
+ unsigned long maxlen)
+{
+ return NULL;
+}
+static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
+{ }
#endif
-#endif /* __ASM_GENERIC_IO_H */
+#endif /* __ASM_GENERIC_PCI_IOMAP_H */