Hi all,
I have to implement a workaround for a PCI device which gets into
trouble if descriptors are located at 32bit addresses, while 31bit
addresses are fine. I would like to avoid this workaround on machines
on which dma_alloc_coherent() won't ever go at memory above 2 GB.
Is defined(CON
On Sun, 20 Jul 2008 20:36:23 +0200
Stefan Richter <[EMAIL PROTECTED]> wrote:
> PS: I don't want to set the DMA mask of this device to
> DMA_31BIT_MASK because that would be detrimental to other functions
> of the device. It's a TI TSB43AB22A FireWire controller.
Hi,
just want to mention that yo
On Sun, 20 Jul 2008 21:25:51 +0200
Stefan Richter <[EMAIL PROTECTED]> wrote:
>
> Later on:
>
> if (dev->needs_dma_mask_workaround)
> pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK);
> allocate_something_special;
> if (dev->needs_dma_mask_workaround)
>
On Sun, 20 Jul 2008 21:25:51 +0200
Stefan Richter <[EMAIL PROTECTED]> wrote:
> Arjan van de Ven wrote:
> > On Sun, 20 Jul 2008 20:36:23 +0200
> > Stefan Richter <[EMAIL PROTECTED]> wrote:
> >
> >> PS: I don't want to set the DMA mask of this device to
> >> DMA_31BIT_MASK because that would be de
Arjan van de Ven wrote:
> On Sun, 20 Jul 2008 20:36:23 +0200
> Stefan Richter <[EMAIL PROTECTED]> wrote:
>
>> PS: I don't want to set the DMA mask of this device to
>> DMA_31BIT_MASK because that would be detrimental to other functions
>> of the device. It's a TI TSB43AB22A FireWire controller.
>
Arjan van de Ven wrote:
> On Sun, 20 Jul 2008 21:25:51 +0200
> Stefan Richter <[EMAIL PROTECTED]> wrote:
>> if (dev->needs_dma_mask_workaround)
>> pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK);
>> allocate_something_special;
>> if (dev->needs_dma_mask_workaround)
>>
On Sun, 2008-07-20 at 20:36 +0200, Stefan Richter wrote:
> Hi all,
>
> I have to implement a workaround for a PCI device which gets into
> trouble if descriptors are located at 32bit addresses, while 31bit
> addresses are fine. I would like to avoid this workaround on machines
> on which dma_a
