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Subject: Re: default values for pci dma_mask and coherent_dma_mask
From: Lee Revell <rlrevell@joe-job.com>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: Sun, 31 Jul 2005 14:37:34 -0400
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On Sun, 2005-07-31 at 12:36 +0200, Manfred Spraul wrote:
> I intend to add these lines to the 
> driver:
> 
> +    if (pci_set_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
> +         printk(KERN_INFO "forcedeth: 64-bit DMA failed, using
> 32-bit 
> addressing for device %s.\n",

Please don't do this.  Instead, add a DMA_40BIT_MASK define to
dma_mapping.h.

Lee