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| author | Ben Dooks <ben.dooks@codethink.co.uk> | 2015-03-18 18:53:08 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-03-22 21:00:25 +0300 |
| commit | ea467326e36b496a92c677cbbed1dfd03b707aaf (patch) | |
| tree | c88ff1efb1a69417e16408d5a532e24746f26707 /drivers/spi/spi-atmel.c | |
| parent | c517d838eb7d07bbe9507871fab3931deccff539 (diff) | |
| download | linux-ea467326e36b496a92c677cbbed1dfd03b707aaf.tar.xz | |
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: Ben Dooks <ben.dooks@codethink.co.uk>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-atmel.c')
| -rw-r--r-- | drivers/spi/spi-atmel.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 9af7841f2e8c..75757aa531f2 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -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. */ |