[U-Boot] [PATCH 3/3] linux/io.h: add generic ioremap()/iounmap() defines

[Daniel Schwierzeck]

Am 27.06.2016 um 10:32 schrieb Masahiro Yamada:
> For most of architectures in U-Boot, virtual address is straight
> mapped to physical address.  So, it makes sense to have generic
> defines of ioremap and friends in <linux/io.h>.
> 
> All of them are just empty and will disappear at compile time, but
> they will be helpful to implement drivers which are counterparts of
> Linux ones.
> 
> I notice MIPS already has its own implementation, so I surrounded
> the defines with #ifndef CONFIG_MIPS ... #endif.  I guess Sandbox
> will need its own implementation as well.
> 

how about introducing a Kconfig symbol like CONFIG_HAVE_ARCH_IOREMAP
which MIPS and Sandbox can select?

-- 
- Daniel

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