[Dri-devel] PPC Lockup (ati-pcigart-branch)
Roman Zippel
zippel at fh-brandenburg.de
Tue Jan 23 22:32:48 EST 2001
Hi,
On Mon, 22 Jan 2001, Frank Rowand wrote:
> Currently, my biggest user of this method is pci_alloc_consistent(). This use is
> because the 405 is not IO cache coherent. In this case, the "physical" address
> is really a bus address, which pci_alloc_consistent calls "dma_handle".
> DMA-mapping.txt says drivers should not use bus_to_virt(), which is a close
> relative of phys_to_virt().
That's true, if you look into include/asm-sparc64/io.h, you see that
bus_to_virt()/virt_to_bus() are not defined anymore.
bye, Roman
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