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Commit ea467326 authored by Ben Dooks's avatar Ben Dooks Committed by Mark Brown
Browse files

spi: atmel: use endian agnostic IO 



Use the endian agnositc IO functions instead of the __raw ones for when
the driver is in use on big-endian systems.

Signed-off-by: default avatarBen Dooks <ben.dooks@codethink.co.uk>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c517d838

drivers/spi/spi-atmel.c

+7 −1
Original line number Diff line number Diff line
@@ -180,11 +180,17 @@ 
	  | SPI_BF(name, value))



/* Register access macros */

#ifdef CONFIG_AVR32

#define spi_readl(port, reg) \

	__raw_readl((port)->regs + SPI_##reg)

#define spi_writel(port, reg, value) \

	__raw_writel((value), (port)->regs + SPI_##reg)



#else

#define spi_readl(port, reg) \

	readl_relaxed((port)->regs + SPI_##reg)

#define spi_writel(port, reg, value) \

	writel_relaxed((value), (port)->regs + SPI_##reg)

#endif

/* use PIO for small transfers, avoiding DMA setup/teardown overhead and

 * cache operations; better heuristics consider wordsize and bitrate.

 */