Re: FOR COMMENT: void __iomem * and similar casts are Bad News

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On Thu, 4 Sep 2008, Paul Walmsley wrote:

> Hello Russell, Tony,
> 
> in arch/arm/plat-omap/include/mach/io.h, shouldn't these casts be 
> "__force void __iomem *" ?   
> 
> #define IO_ADDRESS(pa)		((void __iomem *)__IO_ADDRESS(pa))
> #define OMAP1_IO_ADDRESS(pa)	((void __iomem *)__OMAP1_IO_ADDRESS(pa))
> #define OMAP2_IO_ADDRESS(pa)	((void __iomem *)__OMAP2_IO_ADDRESS(pa))
> 
> sparse is emitting warnings again - i.e.,
> 
> arch/arm/mach-omap2/irq.c:150:21: warning: cast adds address space to 
> expression (<asn:2>)

Eh, never mind, most of these warnings will go away after ioremap() 
conversion...


- Paul
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