spi: atmel: use endian agnostic IO
authorBen Dooks <ben.dooks@codethink.co.uk>
Wed, 18 Mar 2015 15:53:08 +0000 (15:53 +0000)
committerMark Brown <broonie@kernel.org>
Sun, 22 Mar 2015 18:00:25 +0000 (18:00 +0000)
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>
drivers/spi/spi-atmel.c

index 9af7841..75757aa 100644 (file)
          | 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.
  */