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Commit 93da2879 authored by Russell King's avatar Russell King Committed by Linus Torvalds
Browse files

Provide dummy devm_ioport_* if !HAS_IOPORT 



Provide an dummy implementation of devm_ioport_map() and
devm_ioport_unmap() to allow drivers (eg, pata_platform) to build for
platforms where CONFIG_NO_IOPORT is selected.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 30f3deee

include/linux/io.h

+13 −0
Original line number Diff line number Diff line
@@ -33,9 +33,22 @@ int ioremap_page_range(unsigned long addr, unsigned long end, 
/*

 * Managed iomap interface

 */

#ifdef CONFIG_HAS_IOPORT

void __iomem * devm_ioport_map(struct device *dev, unsigned long port,

			       unsigned int nr);

void devm_ioport_unmap(struct device *dev, void __iomem *addr);

#else

static inline void __iomem *devm_ioport_map(struct device *dev,

					     unsigned long port,

					     unsigned int nr)

{

	return NULL;

}



static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)

{

}

#endif



void __iomem * devm_ioremap(struct device *dev, unsigned long offset,

			    unsigned long size);