From: nicolas.ferre@atmel•com (Nicolas Ferre)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 09/13] spi: atmel: use endian agnostic IO
Date: Thu, 19 Mar 2015 09:53:55 +0100 [thread overview]
Message-ID: <550A8EA3.4000903@atmel.com> (raw)
In-Reply-To: <1426693992-31163-10-git-send-email-ben.dooks@codethink.co.uk>
Le 18/03/2015 16:53, Ben Dooks a ?crit :
> 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>
Looks good to me:
Acked-by: Nicolas Ferre <nicolas.ferre@atmel•com>
Mark,
There is no dependency on the series, so you can take this one right now.
Bye.
> --
> CC: Nicolas Ferre <nicolas.ferre@atmel•com> (supporter:ATMEL SPI DRIVER)
> CC: Mark Brown <broonie@kernel•org> (maintainer:SPI SUBSYSTEM)
> CC: linux-spi at vger.kernel.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.
> */
>
--
Nicolas Ferre
next prev parent reply other threads:[~2015-03-19 8:53 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-18 15:52 ATSAMA5D big endian work Ben Dooks
2015-03-18 15:53 ` [PATCH 01/13] ARM: at91: Add big endian configuration for ATSAMA5D devices Ben Dooks
2015-03-19 9:03 ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-18 15:53 ` [PATCH 02/13] tty: serial: atmel: fix big-endian on ARMv7 devices Ben Dooks
2015-03-26 21:46 ` Greg Kroah-Hartman
2015-03-18 15:53 ` [PATCH 03/13] ARM: at91: use readl/writel relaxed instead of __raw for big endian Ben Dooks
2015-03-18 15:53 ` [PATCH 04/13] ARM: at91: setup.c: use endian agnostic IO functions Ben Dooks
2015-03-18 15:53 ` [PATCH 05/13] ARM: at91: debug: fix debug in big endian mode Ben Dooks
2015-03-18 15:53 ` [PATCH 06/13] ARM: at91: PIT: make IO endian agnostic Ben Dooks
2015-03-23 11:27 ` Nicolas Ferre
2015-03-26 9:54 ` Daniel Lezcano
2015-03-18 15:53 ` [PATCH 07/13] clocksource: tcb_clksrc: " Ben Dooks
2015-03-26 9:55 ` Daniel Lezcano
2015-03-26 11:08 ` Nicolas Ferre
2015-03-26 11:38 ` Ben Dooks
2015-03-18 15:53 ` [PATCH 08/13] rtc: at91rm9200: " Ben Dooks
2015-03-19 9:02 ` [rtc-linux] " Jean-Christophe PLAGNIOL-VILLARD
2015-03-19 9:34 ` Ben Dooks
2015-03-19 16:13 ` Nicolas Ferre
2015-03-18 15:53 ` [PATCH 09/13] spi: atmel: use endian agnostic IO Ben Dooks
2015-03-19 0:56 ` Mark Brown
2015-03-19 8:53 ` Nicolas Ferre [this message]
2015-03-22 18:01 ` Mark Brown
2015-03-18 15:53 ` [PATCH 10/13] usb: gadget: atmel_usba: use endian agnostic IO on ARM Ben Dooks
2015-03-19 16:46 ` Nicolas Ferre
2015-03-19 18:50 ` Felipe Balbi
2015-03-18 15:53 ` [PATCH 11/13] can: at91_can: use endian agnostic IO accessors Ben Dooks
2015-03-19 16:47 ` Nicolas Ferre
2015-03-20 9:06 ` Marc Kleine-Budde
2015-03-18 15:53 ` [PATCH 12/13] mmc: atmel-mci: use endian agnostic IO Ben Dooks
2015-03-19 14:22 ` [Linux-kernel] " Ben Hutchings
2015-03-24 12:53 ` Ben Dooks
2015-03-25 6:14 ` Hans-Christian Egtvedt
2015-03-24 14:08 ` Ludovic Desroches
2015-03-25 8:52 ` Ulf Hansson
2015-03-18 18:30 ` ATSAMA5D big endian work Alexandre Belloni
2015-03-19 9:34 ` Ben Dooks
2015-03-19 13:30 ` Alexandre Belloni
2015-03-20 16:58 ` Ben Dooks
2015-03-20 17:19 ` Alexandre Belloni
2015-03-20 17:29 ` Ben Dooks
2015-03-23 11:31 ` Nicolas Ferre
2015-03-19 9:42 ` [Linux-kernel] " Ben Dooks
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