Re: Proposals to change the way all drivers work with SCSI commands

[James Bottomley <James.Bottomley@SteelEye.com>]

On Fri, 2007-05-11 at 14:47 -0700, David Miller wrote:
> From: James Bottomley <James.Bottomley@SteelEye.com>
> Date: Fri, 11 May 2007 16:36:56 -0500
> 
> > On PARISC, we actually use a table of function pointers, but then we
> > also have several other oddities including having to walk up the bus
> > tree to find our IOMMU (having several) which can actually be on a
> > different bus type for some of the older systems (i.e. the PCI iommu is
> > in the GSC bus etc).
> 
> Yes and you can store such things in asm/device.h's dev_archdata,
> that's another approach I considered.

yes ... that's sort of why it exists ... arm wanted more than just the
void *platform_data which is where we stuff the iommu information on
parisc.  Really, I suppose it's time we eliminated platform_data and
just used dev_archdata instead.

James