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> On Sunday 15 June 2003 18:31, Stelian Pop wrote:
> > Hi,
>
> Hi Stelian,
>
> > +void dma_free_coherent(struct pci_dev *dev, size_t size,
> ^^^^^^^^^^^^^^^^^^^
> > + void *vaddr, dma_addr_t dma_handle)
> ^^^^^^^^^^^^^^^^^^^^^
> Why do you define these unused parameters?
Because it's backported from 2.5, and I took it as it, without
editing.
> > +{
> > + free_pages((unsigned long)vaddr, get_order(size));
> > +}
>
> And why are they defined in 2.5, too, althought unused.
> Is there some reason?
Unused of ix86 because bus addresses are the same as virtual addresses.
This is not however the case on other architetures, see
Documentation/DMA-mapping.txt.
Stelian.
-- Stelian Pop <stelian@popies.net> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/