Re: [PATCH 3/6] powerpc: add memory map support to FreescaleRapidIO block

[Andrew Morton]

On Tue, 12 May 2009 16:36:00 +0800
Li Yang <leoli@xxxxxxxxxxxxx> wrote:

> +	align = (size < 0x1000) ? 0x1000 : 1 << (__ilog2(size - 1) + 1);
> +
> +	/* Align the size */
> +	if ((lstart + size) > (_ALIGN_DOWN(lstart, align) + align)) {

__ilog2() and _ALIGN_DOWN() are powerpc-specific functions.  It would
be preferable to use more general helpers if possible.  ALIGN() and ilog2()
might suit here.


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