linux-kernel - Re: [PATCH -next] alpha: Define ioremap_uc and ioremap

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Message-ID: <20150902021211.GA14302@roeck-us.net>
Date:	Tue, 1 Sep 2015 19:12:12 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Richard Henderson <rth@...ddle.net>
Cc:	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Matt Turner <mattst88@...il.com>, linux-alpha@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: Re: [PATCH -next] alpha: Define ioremap_uc and ioremap_wc

On Fri, Jul 31, 2015 at 07:32:39PM -0700, Guenter Roeck wrote:
> Commit 3cc2dac5be3f ("drivers/video/fbdev/atyfb: Replace MTRR UC hole
> with strong UC") introduces calls to ioremap_wc and ioremap_uc. This
> causes build failures with alpha:allmodconfig. Map the missing functions
> to ioremap_nocache.
> 
> Fixes: 3cc2dac5be3f ("drivers/video/fbdev/atyfb:
>         Replace MTRR UC hole with strong UC")
> Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
> Cc: Luis R. Rodriguez <mcgrof@...e.com>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>

ping ... alpha:allmodconfig now fails to build in mainline due to this
problem.

Guenter

> ---
>  arch/alpha/include/asm/io.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
> index f05bdb4b1cb9..7edfe6bf0ee6 100644
> --- a/arch/alpha/include/asm/io.h
> +++ b/arch/alpha/include/asm/io.h
> @@ -299,6 +299,9 @@ static inline void __iomem * ioremap_nocache(unsigned long offset,
>  	return ioremap(offset, size);
>  } 
>  
> +#define ioremap_wc	ioremap_nocache
> +#define ioremap_uc	ioremap_nocache
> +
>  static inline void iounmap(volatile void __iomem *addr)
>  {
>  	IO_CONCAT(__IO_PREFIX,iounmap)(addr);
> -- 
> 2.1.4
> 
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