Re: IrDA driver fails on PXA255
From: Russell King - ARM Linux
Date: Sun May 29 2011 - 03:25:45 EST
On Sat, May 28, 2011 at 07:22:44PM -0700, David Rientjes wrote:
> arm, pxa2xx: enable DMA support for pxa2xx IRDA interface
>
> The pxa2xx-ir driver allocates with GFP_DMA, so it must always have
> ZONE_DMA.
Wrong way. If there's no restrictions, drivers shouldn't be using
GFP_DMA. For the majority of SoCs, that's the case.
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