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Commit 2201ec2b authored by Haavard Skinnemoen's avatar Haavard Skinnemoen
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[AVR32] Define ioremap_nocache, ioport_map and ioport_unmap 



These are all defined in terms of ioremap/iounmap since port I/O
isn't really different from memory-mapped I/O on AVR32.

Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent b60f16eb

include/asm-avr32/io.h

+11 −0
Original line number Diff line number Diff line
@@ -252,6 +252,9 @@ extern void __iounmap(void __iomem *addr); 
#define ioremap(offset, size)			\

	__ioremap((offset), (size), 0)



#define ioremap_nocache(offset, size)		\

	__ioremap((offset), (size), 0)



#define iounmap(addr)				\

	__iounmap(addr)
@@ -263,6 +266,14 @@ extern void __iounmap(void __iomem *addr); 
#define page_to_bus page_to_phys

#define bus_to_page phys_to_page



/*

 * Create a virtual mapping cookie for an IO port range.  There exists

 * no such thing as port-based I/O on AVR32, so a regular ioremap()

 * should do what we need.

 */

#define ioport_map(port, nr)	ioremap(port, nr)

#define ioport_unmap(port)	iounmap(port)



#define dma_cache_wback_inv(_start, _size)	\

	flush_dcache_region(_start, _size)

#define dma_cache_inv(_start, _size)		\