linux-kernel - Re: [PATCH] sound/mixart: avoid redefining {readl,write}

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Message-Id: <201011121829.11914.florian@openwrt.org>
Date:	Fri, 12 Nov 2010 18:29:11 +0100
From:	Florian Fainelli <florian@...nwrt.org>
To:	alsa-devel@...a-project.org
Cc:	linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.de>
Subject: Re: [PATCH] sound/mixart: avoid redefining {readl,write}_{le,be} accessors

On Tuesday 09 November 2010 18:29:08 Florian Fainelli wrote:
> From: Florian Fainelli <florian@...nwrt.org>

Takashi, do you have any comments on this patch?

Thanks!

> 
> If the platform already provides a definition for these accessors
> do not redefine them. The warning was caught on MIPS.
> 
> Signed-off-by: Florian Fainelli <florian@...nwrt.org>
> ---
> diff --git a/sound/pci/mixart/mixart_hwdep.h
> b/sound/pci/mixart/mixart_hwdep.h index a46f508..812e288 100644
> --- a/sound/pci/mixart/mixart_hwdep.h
> +++ b/sound/pci/mixart/mixart_hwdep.h
> @@ -25,11 +25,21 @@
> 
>  #include <sound/hwdep.h>
> 
> +#ifndef readl_be
>  #define readl_be(x) be32_to_cpu(__raw_readl(x))
> +#endif
> +
> +#ifndef writel_be
>  #define writel_be(data,addr) __raw_writel(cpu_to_be32(data),addr)
> +#endif
> 
> +#ifndef readl_le
>  #define readl_le(x) le32_to_cpu(__raw_readl(x))
> +#endif
> +
> +#ifndef writel_le
>  #define writel_le(data,addr) __raw_writel(cpu_to_le32(data),addr)
> +#endif
> 
>  #define MIXART_MEM(mgr,x)	((mgr)->mem[0].virt + (x))
>  #define MIXART_REG(mgr,x)	((mgr)->mem[1].virt + (x))
--
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