linux-kernel - 回复： [PATCH] arch/unicore32/include/asm/io.h: add readl

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Message-ID: <744838721.16786.1399880189408.JavaMail.root@bj-mail03.pku.edu.cn>
Date:	Mon, 12 May 2014 15:36:29 +0800 (CST)
From:	管雪涛 <gxt@....edu.cn>
To:	Chen Gang <gang.chen.5i5j@...il.com>
Cc:	Guan Xuetao <gxt@...c.pku.edu.cn>, linux-kernel@...r.kernel.org
Subject: 回复： [PATCH] arch/unicore32/include/asm/io.h: add readl_relaxed() generic definition

Thanks.

Acked-by: Xuetao Guan <gxt@...c.pku.edu.cn>

----- Chen Gang <gang.chen.5i5j@...il.com> 写道：
> Need generic definition for readl_relaxed(), like other architectures
> have done. Or can not pass compiling with allmodconfig, the related
> error:
> 
>     CC [M]  drivers/message/fusion/mptbase.o
>   drivers/message/fusion/mptbase.c: In function ‘mpt_send_handshake_request’:
>   drivers/message/fusion/mptbase.c:1224: error: implicit declaration of function ‘readl_relaxed’
> 
> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
> ---
>  arch/unicore32/include/asm/io.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/unicore32/include/asm/io.h b/arch/unicore32/include/asm/io.h
> index ae327e4..cb1d8fd 100644
> --- a/arch/unicore32/include/asm/io.h
> +++ b/arch/unicore32/include/asm/io.h
> @@ -39,6 +39,10 @@ extern void __uc32_iounmap(volatile void __iomem *addr);
>  #define ioremap_nocache(cookie, size)	__uc32_ioremap(cookie, size)
>  #define iounmap(cookie)			__uc32_iounmap(cookie)
>  
> +#define readb_relaxed readb
> +#define readw_relaxed readw
> +#define readl_relaxed readl
> +
>  #define HAVE_ARCH_PIO_SIZE
>  #define PIO_OFFSET		(unsigned int)(PCI_IOBASE)
>  #define PIO_MASK		(unsigned int)(IO_SPACE_LIMIT)
> -- 
> 1.9.2.459.g68773ac

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