Around Tue 16 Oct 2012 15:19:27 +0800 or thereabout, Josh Wu wrote:
> fixed the following compile error when use avr32 atstk1006_defconfig:
> drivers/mtd/nand/atmel_nand.c: In function 'pmecc_err_location':
> drivers/mtd/nand/atmel_nand.c:639: error: implicit declaration of function
> 'writel_relaxed'
>
> which was introduced by commit 1c7b874d33b463 ("mtd: at91: atmel_nand: add
> Programmable Multibit ECC controller support").
> The PMECC for nand flash code uses writel_relaxed(). But in avr32, there is
> no macro "writel_relaxed" defined. This patch add writex_relaxed macro
> definitions.
>
> Signed-off-by: Josh Wu <[email protected]>
> ---
> arch/avr32/include/asm/io.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
> index cf60d0a..fc6483f 100644
> --- a/arch/avr32/include/asm/io.h
> +++ b/arch/avr32/include/asm/io.h
> @@ -165,6 +165,10 @@ BUILDIO_IOPORT(l, u32)
> #define readw_be __raw_readw
> #define readl_be __raw_readl
>
> +#define writeb_relaxed writeb
> +#define writew_relaxed writew
> +#define writel_relaxed writel
> +
I'm wondering if they should be something similar to SH arch:
#define writeb_relaxed(v,c) ((void)__raw_writeb((__force u8)ioswabb(v),c))
What is the intention behind the macro? Which restriction is relaxed?
> #define writeb_be __raw_writeb
> #define writew_be __raw_writew
> #define writel_be __raw_writel
--
mvh
Hans-Christian Egtvedt
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
