[U-Boot] [PATCH 3/5] ppc4xx: Move gpio.h to ppc4xx-gpio.h since its ppc4xx specific

[Detlev Zundel <dzu@denx.de>]

Hi Stefan,

> Ups. No, I totally missed this. Thanks for spotting. Will fix soon.

Ok.

> Please note that I plan to stay with this "asm/ppc4xx-gpio.h" name instead of 
> "asm/gpio.h", since there are many other PowerPC variants out there.

I have to admit that I don't like this.

Hm, while you are doing something here, why not follow the Blackfin
example which I like a lot and move towards the Linux gpio interface
(see end of ./arch/blackfin/include/asm/gpio.h).  It will be just lovely
to only generically request a gpio in common driver code.

Going down this route, code using gpios will only include "asm/gpio.h"
and use the generic functions.  Doesn't that sound like a worthwhile
target? ;)

Cheers
  Detlev

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