Subject: Re: [PATCH] [POWERPC] Set dma_data correctly for direct_ops on pasemi

From: Michael Ellerman <[email-masked]>
Date: Thu, 31 Jan 2008 23:38:16 +1100

On Thu, 2008-01-31 at 00:41 -0600, Olof Johansson wrote:
> More late-caught fallout from the mainline merge. The patch:
> 
> [POWERPC] Use archdata.dma_data in dma_direct_ops and add the offset
> 
> "Now that all platforms using dma_direct_offset setup the
> archdata.dma_data correctly, ..."
> 
> Nope -- the pasemi iommu setup code that disables translation on the
> DMA pci device didn't set dma_data correctly.
> 
> The below patch is needed, please merge as soon as practical. Thanks!

Sorry about that.

I'm confused though, didn't your device come from alloc_pci_dev() which
kzalloc()s the pci_dev which contains the archdata which contains the
dma_data, ie. dma_data will already be 0?

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person