From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: [PATCH 09/13] spi: atmel: use endian agnostic IO Date: Wed, 18 Mar 2015 15:53:08 +0000 Message-ID: <1426693992-31163-10-git-send-email-ben.dooks@codethink.co.uk> References: <1426693992-31163-1-git-send-email-ben.dooks@codethink.co.uk> Cc: Ben Dooks , Nicolas Ferre , Mark Brown , linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org (open list:SPI SUBSYSTEM) To: linux-kernel-81qHHgoATdFT9dQujB1mzip2UmYkHbXO@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Return-path: In-Reply-To: <1426693992-31163-1-git-send-email-ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: 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 -- CC: Nicolas Ferre (supporter:ATMEL SPI DRIVER) CC: Mark Brown (maintainer:SPI SUBSYSTEM) CC: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org (open list:SPI SUBSYSTEM) --- drivers/spi/spi-atmel.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 06de340..a2f40b1 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. */ -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html