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| author | Ben Dooks <ben.dooks@codethink.co.uk> | 2015-03-18 14:44:30 +0000 |
|---|---|---|
| committer | Ben Dooks <ben.dooks@codethink.co.uk> | 2015-03-18 14:55:26 +0000 |
| commit | e15f489f3eb38e48f71d266a74d2d2a06b0911b3 (patch) | |
| tree | e24a13f37012a9a891e9ee987a55a56de02bdd82 | |
| parent | ee8b3f1130a5b3d86fbf1d937b2f4ce19d75d07d (diff) | |
| download | linux-e15f489f3eb38e48f71d266a74d2d2a06b0911b3.tar.gz | |
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>
--
CC: Nicolas Ferre <nicolas.ferre@atmel.com> (supporter:ATMEL SPI DRIVER)
CC: Mark Brown <broonie@kernel.org> (maintainer:SPI SUBSYSTEM)
CC: linux-spi@vger.kernel.org (open list:SPI SUBSYSTEM)
| -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 06de34001c66..a2f40b1b2225 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. */ |