[U-Boot] [PATCH] display_buffer: fix misaligned buffer

[Detlev Zundel <dzu@denx.de>]

Hi Reinhard,

> Reinhard Meyer schrieb:
>>> +	uint32_t linebuf[MAX_LINE_LENGTH_BYTES/4 + 1];
>>>>  	uint32_t *uip = (void*)linebuf;
>>>>  	uint16_t *usp = (void*)linebuf;
>>>>  	uint8_t *ucp = (void*)linebuf;
>> I personally prefer this above an attribute. Its disputeable but I prefer
>> to do things with "normal C constructs" where possible.
> Reading this, after it had been sent, a perfect patch

The quest for the "perfect patch", now that's the spirit ;)  

<completely off-topic>
Very likely it will be easier than the perfect pac-man game[1] and I
hope we don't have such a split screen waiting *lol*
</cot>

> should make the buffer an union:
>
> union {
> 	uint32_t ui[MAX.../4+1];
> 	uint16_t us[MAX.../2+1];
> 	uint8_t  uc[MAX...+1];
> } linebuf;

That also sounds good indeed - it even better documents the intention of
the code so by my own arguments I'd vote for it.  I presume you will
follow up with such a patch once you tested it?

Thanks!
  Detlev

[1] http://en.wikipedia.org/wiki/Pac-Man

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