IrDA driver fails on PXA255

[Russell King - ARM Linux]

On Tue, May 31, 2011 at 03:11:40PM -0700, David Rientjes wrote:
> The restriction isn't new: GFP_DMA only makes sense with CONFIG_ZONE_DMA.  
> The fact that the page allocator completely ignored GFP_DMA in the past 
> for CONFIG_ZONE_DMA=n doesn't change that.  That's obviously error prone 
> since it will return memory from anywhere simply because of the fact that 
> it is an invalid configuration.

Your approach to this is wrong.  Make it warn for one release.  Give
people a chance to fix things before they become a regression.  Then
make it a hard failure.